/* roulang page: index */
:root {
    --bg-page: #F6F5F0;
    --bg-card: #FFFFFF;
    --ink-deep: #132823;
    --brand: #0E6B5C;
    --brand-hover: #0A4F44;
    --accent: #E4572B;
    --gold: #C8A878;
    --text-main: #16201D;
    --text-sub: #5A675F;
    --line: #D8DCD2;
    --radius: 8px;
    --radius-sm: 4px;
    --shadow-sm: 0 1px 2px rgba(20,30,25,.03), 0 8px 24px rgba(20,30,25,.04);
    --shadow-md: 0 2px 4px rgba(20,30,25,.04), 0 18px 32px rgba(20,30,25,.08);
    --font-main: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
    --font-num: "DIN Alternate","D-DIN","Arial Narrow",sans-serif;
  }

  *,*::before,*::after{ box-sizing:border-box; }
  html{ scroll-behavior:smooth; }
  body{
    margin:0;
    background:var(--bg-page);
    color:var(--text-main);
    font-family:var(--font-main);
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
  }
  img{ max-width:100%; display:block; }
  a{ color:inherit; text-decoration:none; }
  button{ font-family:inherit; cursor:pointer; }
  input,select,textarea{ font-family:inherit; }
  h1,h2,h3,h4,h5{
    font-weight:800;
    line-height:1.25;
    margin:0;
    text-wrap:balance;
  }
  p{ margin:0; }

  .wrapper{
    max-width:1320px;
    margin-inline:auto;
    padding-inline:clamp(16px,4vw,32px);
  }
  .wrapper-narrow{ max-width:1120px; margin-inline:auto; padding-inline:clamp(16px,3vw,28px); }
  .section-pad-lg{ padding-block:clamp(72px,9vw,128px); }
  .section-pad-md{ padding-block:clamp(52px,6vw,96px); }
  .section-pad-sm{ padding-block:clamp(40px,4vw,64px); }

  .section-head{ display:flex; align-items:flex-end; justify-content:space-between; gap:24px; margin-bottom:clamp(30px,4vw,52px); }
  .section-head .kicker{
    font-size:13px; letter-spacing:.08em; text-transform:uppercase; color:var(--brand);
    display:flex; align-items:center; gap:10px; margin-bottom:8px; font-weight:600;
  }
  .section-head .kicker::before{ content:""; width:28px; height:2px; background:var(--gold); display:inline-block; }
  .section-title{ font-size:clamp(28px,4vw,44px); letter-spacing:-.02em; color:var(--ink-deep); }
  .section-sub{ color:var(--text-sub); max-width:56ch; font-size:17px; }

  /* ===== Header ===== */
  .site-header{
    position:sticky;
    top:0;
    z-index:120;
    background:rgba(246,245,240,.88);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    border-bottom:1px solid var(--line);
    transition:background .3s, box-shadow .3s;
  }
  .site-header.is-scrolled{
    background:rgba(246,245,240,.95);
    box-shadow:0 8px 24px rgba(20,30,25,.04);
  }
  .header-main{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding-block:14px;
    transition:padding .3s ease;
  }
  .site-header.is-scrolled .header-main{ padding-block:8px; }

  .brand-logo{
    display:inline-flex;
    align-items:center;
    gap:10px;
    font-size:22px;
    font-weight:900;
    letter-spacing:-.02em;
    color:var(--ink-deep);
    line-height:1;
  }
  .brand-logo .brand-mark{
    width:38px;height:38px;
    flex-shrink:0;
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:2px;
    padding:6px;
    border-radius:7px;
    background:var(--ink-deep);
  }
  .brand-mark span{
    background:var(--bg-page);
    border-radius:1.5px;
    transition:background .3s;
  }
  .brand-mark span:nth-child(5){
    background:var(--gold);
  }
  .brand-logo small{
    font-size:12px;
    color:var(--text-sub);
    font-weight:400;
    margin-left:2px;
  }

  .header-tools{ display:flex; align-items:center; gap:12px; }
  .icon-btn{
    width:40px;height:40px;
    border:none;
    background:transparent;
    display:inline-flex;align-items:center;justify-content:center;
    border-radius:6px;
    color:var(--text-main);
    transition:background .2s,color .2s;
  }
  .icon-btn:hover{ background:rgba(14,107,92,.09); color:var(--brand); }
  .icon-btn:focus-visible{ outline:2px solid var(--brand); outline-offset:2px; }

  .search-drop{ position:relative; }
  .search-panel{
    position:absolute;
    right:0;top:calc(100% + 10px);
    width:min(600px, calc(100vw - 32px));
    background:#fff;
    border:1px solid var(--line);
    border-radius:10px;
    box-shadow:var(--shadow-md);
    padding:14px;
    display:none;
    z-index:20;
  }
  .search-panel.open{ display:block; animation:dropIn .2s ease; }
  @keyframes dropIn{
    from{opacity:0; transform:translateY(-6px);}
    to{opacity:1; transform:translateY(0);}
  }
  .search-row{ display:flex; gap:10px; }
  .search-row input{
    flex:1;
    height:44px;
    border:1px solid var(--line);
    border-radius:6px;
    padding:0 14px;
    font-size:15px;
    background:var(--bg-page);
    color:var(--text-main);
    transition:border .2s, background .2s;
  }
  .search-row input:focus{
    outline:none;
    border-color:var(--brand);
    background:#fff;
  }
  .search-row button{
    height:44px;
    padding:0 20px;
    border:none;
    border-radius:6px;
    background:var(--brand);
    color:#fff;
    font-weight:600;
    transition:background .2s;
  }
  .search-row button:hover{ background:var(--brand-hover); }
  .hot-words{ margin-top:10px; display:flex; align-items:center; gap:8px; flex-wrap:wrap; font-size:13px; color:var(--text-sub); }
  .hot-words a{ padding:3px 10px; background:var(--bg-page); border:1px solid var(--line); border-radius:999px; transition:.2s; }
  .hot-words a:hover{ border-color:var(--brand); color:var(--brand); }

  .main-nav{
    border-top:1px solid rgba(216,220,210,.7);
    transition:border .3s;
  }
  .nav-inner{ display:flex; align-items:center; justify-content:space-between; }
  .nav-links{
    display:flex;
    align-items:center;
    gap:2px;
    list-style:none;
    margin:0;
    padding:0;
  }
  .nav-links a{
    display:block;
    padding:9px 18px;
    font-size:15px;
    font-weight:500;
    color:var(--text-main);
    border-radius:4px 4px 0 0;
    position:relative;
    transition:color .2s;
    white-space:nowrap;
  }
  .nav-links a::after{
    content:"";
    position:absolute;
    left:16px;right:16px;bottom:0;
    height:2px;
    background:transparent;
    border-radius:2px 2px 0 0;
    transition:background .2s;
  }
  .nav-links a:hover{ color:var(--brand); background:rgba(255,255,255,.5); }
  .nav-links a:hover::after{ background:var(--brand); }
  .nav-links .active{ color:var(--brand); font-weight:600; }
  .nav-links .active::after{ background:var(--brand); }
  .nav-cta{
    font-size:14px;
    font-weight:600;
    color:var(--brand);
    padding:8px 2px;
    display:inline-flex;
    align-items:center;
    gap:6px;
    transition:color .2s;
  }
  .nav-cta:hover{ color:var(--accent); }

  .menu-toggle{ display:none; }
  .menu-icon{ width:20px;height:2px;background:currentColor;display:inline-block;position:relative;}
  .menu-icon::before,.menu-icon::after{
    content:"";
    position:absolute;left:0;width:20px;height:2px;background:currentColor;
  }
  .menu-icon::before{ top:-6px; }
  .menu-icon::after{ top:6px; }

  .mobile-drawer{
    display:none;
    position:fixed;
    inset:0;
    z-index:140;
    visibility:hidden;
    pointer-events:none;
  }
  .mobile-drawer .drawer-mask{
    position:absolute;inset:0;
    background:rgba(19,40,35,.36);
    opacity:0;
    transition:opacity .3s;
  }
  .drawer-panel{
    position:absolute;
    top:0;right:0;bottom:0;
    width:min(360px,86vw);
    background:var(--bg-page);
    border-left:1px solid var(--line);
    padding:24px 20px 40px;
    transform:translateX(100%);
    transition:transform .3s cubic-bezier(.2,.6,.2,1);
    overflow-y:auto;
    display:flex;
    flex-direction:column;
  }
  .drawer-brand{ font-size:19px;font-weight:800;margin-bottom:18px; color:var(--ink-deep); }
  .drawer-links{ border-top:1px solid var(--line); list-style:none; margin:16px 0 0; padding:12px 0 0; }
  .drawer-links a{
    display:flex;align-items:center;justify-content:space-between;
    padding:13px 4px;
    color:var(--text-main);
    border-bottom:1px solid rgba(216,220,210,.6);
    font-size:16px;
    transition:.2s;
  }
  .drawer-links a:hover{ color:var(--brand); padding-left:10px; }
  .drawer-sub{ margin-top:auto; padding-top:28px; color:var(--text-sub); font-size:13px; }
  body.drawer-open{ overflow:hidden; }
  .mobile-drawer.open{ visibility:visible; pointer-events:auto; }
  .mobile-drawer.open .drawer-mask{ opacity:1; }
  .mobile-drawer.open .drawer-panel{ transform:translateX(0); }

  @media (max-width:1023px){
    .main-nav{ display:none; }
    .menu-toggle{ display:inline-flex; }
    .mobile-drawer{ display:block; }
  }
  @media (max-width:480px){
    .brand-logo{ font-size:19px; }
    .brand-logo .brand-mark{ width:32px; height:32px; padding:5px; gap:1px; }
  }

  /* ===== Hero ===== */
  .hero{
    position:relative;
    color:#fff;
    background-color:var(--ink-deep);
    background-image:
      radial-gradient(1200px 480px at 82% -10%, rgba(200,168,120,.18), transparent 65%),
      linear-gradient(100deg, rgba(19,40,35,.98) 20%, rgba(19,40,35,.85) 48%, rgba(19,40,35,.52) 100%),
      url('/assets/images/backpic/back-1.png');
    background-size:cover;
    background-position:center;
    overflow:hidden;
    padding-block:clamp(64px,9vw,132px);
  }
  .hero::after{
    content:"";
    position:absolute;
    left:0;right:0;bottom:0;height:24px;
    background:linear-gradient(transparent, rgba(19,40,35,.4));
    pointer-events:none;
  }
  .hero-grid{
    display:grid;
    grid-template-columns:minmax(0,1.15fr) minmax(280px,.85fr);
    gap:clamp(32px,6vw,84px);
    align-items:center;
  }
  .hero-kicker{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:14px;
    letter-spacing:.06em;
    color:#E8DCC8;
    font-weight:500;
    margin-bottom:20px;
    padding:5px 14px 5px 8px;
    border:1px solid rgba(200,168,120,.45);
    border-radius:999px;
    background:rgba(19,40,35,.4);
  }
  .hero-kicker .dot{ width:6px;height:6px;background:var(--gold);border-radius:50%; }
  .hero h1{
    font-size:clamp(36px,6vw,64px);
    letter-spacing:-.03em;
    font-weight:900;
    margin:8px 0 22px;
    color:#fff;
    max-width:13em;
    text-shadow:0 2px 20px rgba(0,0,0,.15);
  }
  .hero h1 .accent{ color:var(--gold); }
  .hero-sub{
    color:rgba(246,245,240,.88);
    font-size:clamp(16px,1.6vw,19px);
    max-width:60ch;
  }
  .hero-cta{ display:flex; flex-wrap:wrap; gap:14px; margin-top:32px; }
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    min-height:48px;
    padding:0 26px;
    border-radius:6px;
    font-size:16px;
    font-weight:600;
    border:1px solid transparent;
    transition:.25s ease;
    line-height:1;
  }
  .btn-primary{ background:var(--brand); color:#fff; }
  .btn-primary:hover{ background:var(--brand-hover); transform:translateY(-1px); box-shadow:var(--shadow-md); }
  .btn-primary:focus-visible{ outline:3px solid rgba(228,87,43,.6); outline-offset:2px; }
  .btn-ghost-light{ background:transparent; color:#fff; border-color:rgba(255,255,255,.6); }
  .btn-ghost-light:hover{ background:rgba(255,255,255,.12); border-color:#fff; transform:translateY(-1px); }
  .btn-dark{ background:var(--ink-deep); color:#fff; }
  .btn-dark:hover{ background:#1E3B34; transform:translateY(-1px); }
  .btn-accent-border{ background:transparent; color:var(--accent); border-color:var(--accent); }
  .btn-accent-border:hover{ background:var(--accent); color:#fff; }

  .hero-panel{
    position:relative;
    border-radius:var(--radius);
    background:rgba(255,255,255,.08);
    border:1px solid rgba(255,255,255,.14);
    backdrop-filter:blur(12px);
    padding:14px;
    box-shadow:0 30px 60px rgba(0,0,0,.25);
  }
  .hero-panel .panel-img{
    border-radius:6px;
    overflow:hidden;
    aspect-ratio:4/3;
    background:linear-gradient(135deg,#1D3A33,#0A4F44);
  }
  .hero-panel .panel-img img{ width:100%;height:100%;object-fit:cover; }
  .hero-panel .panel-tag{
    display:inline-block;
    margin-top:14px;
    font-size:13px;
    padding:4px 12px;
    border-radius:999px;
    background:rgba(228,87,43,.15);
    color:#FFDFC9;
    border:1px solid rgba(228,87,43,.35);
  }
  .hero-panel .panel-title{ margin-top:10px; font-weight:700; font-size:18px; color:#fff; }
  .hero-panel .panel-meta{ display:flex; justify-content:space-between; color:rgba(255,255,255,.65); font-size:13px; padding-top:10px; margin-top:12px; border-top:1px solid rgba(255,255,255,.12); }

  @media (max-width:1023px){
    .hero-grid{ grid-template-columns:1fr; }
    .hero-panel{ max-width:480px; }
  }

  /* ===== Service directory ===== */
  .service-directory{ background:var(--bg-page); }
  .service-grid{
    display:grid;
    grid-template-columns:minmax(0,.8fr) minmax(0,1.5fr);
    gap:clamp(32px,7vw,110px);
    align-items:start;
  }
  .sticky-head{ position:sticky; top:130px; }
  .dir-wrap{ max-width:400px; }
  .dir-list{ list-style:none; margin:0; padding:0; }
  .dir-item{
    display:flex;
    gap:22px;
    padding:28px 8px;
    border-bottom:1px solid var(--line);
    transition:background .2s;
  }
  .dir-item:first-child{ border-top:1px solid var(--line); }
  .dir-item:hover{ background:rgba(255,255,255,.55); }
  .dir-idx{
    font-family:var(--font-num);
    font-size:14px;
    color:var(--gold);
    padding-top:8px;
    min-width:34px;
    width:34px;
    font-weight:600;
  }
  .dir-body{ flex:1; }
  .dir-title{ font-weight:800; font-size:19px; color:var(--ink-deep); display:flex; gap:8px; align-items:center; }
  .dir-syn{ color:var(--text-sub); font-size:15px; margin-top:6px; line-height:1.75; max-width:48ch; }
  .dir-link{
    margin-top:10px;
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:14px;
    font-weight:600;
    color:var(--brand);
  }
  .dir-link .arrow{ transition:transform .2s; }
  .dir-link:hover .arrow{ transform:translateX(4px); }

  @media (max-width:767px){
    .service-grid{ grid-template-columns:1fr; }
    .sticky-head{ position:static; }
  }

  /* ===== Stats ===== */
  .stats-section{
    background:var(--ink-deep);
    color:#fff;
    position:relative;
    overflow:hidden;
  }
  .stats-section::before{
    content:"九游网页版官网";
    position:absolute;
    right:-20px;
    top:-40px;
    font-weight:900;
    font-size:clamp(80px,17vw,220px);
    color:rgba(255,255,255,.05);
    letter-spacing:-.05em;
    white-space:nowrap;
    line-height:1;
    z-index:1;
  }
  .stats-grid{
    display:grid;
    grid-template-columns:1.4fr 1fr 1fr 1.2fr;
    gap:40px 48px;
    position:relative;
    z-index:2;
  }
  .stat-item{ border-top:1px solid rgba(255,255,255,.14); padding-top:26px; }
  .stat-num{
    display:block;
    font-family:var(--font-num);
    font-size:clamp(62px,7.4vw,110px);
    font-weight:700;
    line-height:1;
    color:#fff;
    letter-spacing:-.02em;
  }
  .stat-num small{
    font-size:.45em;
    color:var(--gold);
    font-weight:500;
  }
  .stat-label{
    margin-top:12px;
    color:#CBD3C4;
    font-size:15px;
  }
  .stat-label strong{ color:#fff; font-weight:600; }

  @media (max-width:900px){
    .stats-grid{ grid-template-columns:1fr 1fr; gap:28px 20px; }
  }
  @media (max-width:480px){
    .stats-grid{ grid-template-columns:1fr; }
  }

  /* ===== Spotlight ===== */
  .spotlight-section{ background:var(--bg-page); }
  .spotlight-grid{
    display:grid;
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:24px;
    align-items:start;
  }
  .spot-card{
    background:var(--bg-card);
    border:1px solid var(--line);
    border-radius:var(--radius);
    overflow:hidden;
    transition:box-shadow .3s, transform .3s;
    box-shadow:var(--shadow-sm);
  }
  .spot-card:nth-child(2){ transform:translateY(16px); }
  .spot-card:nth-child(3){ transform:translateY(-8px); }
  .spot-card:hover{ box-shadow:var(--shadow-md); transform:translateY(-3px); }
  .spot-card:hover:nth-child(2){ transform:translateY(10px); }
  .spot-card:hover:nth-child(3){ transform:translateY(-15px); }
  .spot-cover{ aspect-ratio:16/10; overflow:hidden; background:#dfe3da; position:relative; }
  .spot-cover img{ width:100%; height:100%; object-fit:cover; transition:transform .5s ease; }
  .spot-card:hover .spot-cover img{ transform:scale(1.03); }
  .spot-badge{
    position:absolute;
    top:12px;left:12px;
    background:rgba(19,40,35,.85);
    color:#fff;
    font-size:12px;
    padding:4px 10px;
    border-radius:3px;
    letter-spacing:.02em;
    backdrop-filter:blur(4px);
  }
  .spot-body{ padding:24px 26px 26px; }
  .spot-body h3{ font-size:19px; font-weight:800; color:var(--ink-deep); }
  .spot-body p{ color:var(--text-sub); font-size:15px; margin-top:8px; line-height:1.7; }
  .spot-foot{ display:flex; align-items:center; justify-content:space-between; margin-top:18px; padding-top:16px; border-top:1px solid var(--line); font-size:13px; color:var(--text-sub); }
  .spot-more{ color:var(--brand); font-weight:600; display:inline-flex; gap:4px; align-items:center; }
  .spot-more:hover .arrow{ transform:translateX(3px); }

  @media (max-width:1023px){
    .spotlight-grid{ grid-template-columns:1fr 1fr; }
    .spot-card:nth-child(3){ grid-column:1/3; transform:none; max-width:520px; margin:0 auto; width:100%; }
    .spot-card:hover:nth-child(3){ transform:translateY(-3px); }
  }
  @media (max-width:640px){
    .spotlight-grid{ grid-template-columns:1fr; }
    .spot-card:nth-child(3){ grid-column:auto; transform:none; }
    .spot-card:hover,.spot-card:hover:nth-child(2),.spot-card:hover:nth-child(3){ transform:none; }
  }

  /* ===== Category path ===== */
  .category-path-section{
    background:#fff;
    border-block:1px solid var(--line);
  }
  .path-list{ display:grid; gap:clamp(24px,5vw,52px); }
  .path-row{
    display:grid;
    grid-template-columns:.9fr 1.1fr;
    grid-template-areas:"media content";
    border-radius:10px;
    background:var(--bg-card);
    border:1px solid var(--line);
    overflow:hidden;
    box-shadow:var(--shadow-sm);
    transition:box-shadow .3s;
  }
  .path-row:hover{ box-shadow:var(--shadow-md); }
  .path-row.reverse{ grid-template-columns:1.1fr .9fr; grid-template-areas:"content media"; }
  .path-media{ grid-area:media; position:relative; min-height:200px; overflow:hidden; background:#e7e7de; }
  .path-media img{ position:absolute; inset:0; width:100%;height:100%; object-fit:cover; transition:transform .5s; }
  .path-row:hover .path-media img{ transform:scale(1.04); }
  .path-media::after{ content:""; position:absolute; inset:0; background:linear-gradient(100deg, rgba(19,40,35,.2), transparent 55%); }
  .path-content{ grid-area:content; padding:clamp(26px,4vw,52px); display:flex; flex-direction:column; justify-content:center; }
  .path-order{
    font-family:var(--font-num);
    font-size:13px;
    color:var(--gold);
    letter-spacing:.1em;
  }
  .path-title{
    margin-top:8px;
    font-size:clamp(24px,3vw,36px);
    color:var(--ink-deep);
    letter-spacing:-.02em;
    display:flex;
    align-items:center;
    gap:12px;
  }
  .path-desc{
    color:var(--text-sub);
    margin-top:14px;
    max-width:52ch;
    font-size:16px;
  }
  .path-entry{
    margin-top:22px;
    align-self:flex-start;
    display:inline-flex;
    align-items:center;
    gap:8px;
    color:var(--brand);
    font-weight:600;
    font-size:15px;
    border-bottom:1px solid transparent;
    padding-bottom:2px;
    transition:border-color .2s;
  }
  .path-entry:hover{ border-color:var(--brand); color:var(--brand-hover); }

  @media (max-width:820px){
    .path-row,.path-row.reverse{
      grid-template-columns:1fr;
      grid-template-areas:"media" "content";
    }
    .path-media{ min-height:220px; }
  }

  /* ===== Update / CMS area ===== */
  .update-section{ background:var(--bg-page); }
  .update-row{
    display:grid;
    grid-template-columns:minmax(0,1fr) auto;
    gap:20px 36px;
    padding:28px 4px;
    border-bottom:1px solid var(--line);
    transition:background .2s;
  }
  .update-row:first-of-type{ border-top:1px solid var(--line); }
  .update-row:hover{ background:rgba(255,255,255,.6); }
  .update-top{ display:flex; flex-wrap:wrap; gap:10px; align-items:center; }
  .badge{
    display:inline-flex;
    align-items:center;
    font-size:12px;
    font-weight:600;
    padding:3px 10px;
    border-radius:4px;
    background:rgba(14,107,92,.08);
    color:var(--brand);
    border:1px solid rgba(14,107,92,.16);
  }
  .badge-orange{
    background:rgba(228,87,43,.08);
    color:var(--accent);
    border-color:rgba(228,87,43,.18);
  }
  .update-row h3{
    font-size:20px;
    font-weight:700;
    color:var(--ink-deep);
    margin-top:12px;
    line-height:1.5;
  }
  .update-row h3 a{ transition:color .2s; }
  .update-row h3 a:hover{ color:var(--brand); }
  .update-summary{
    color:var(--text-sub);
    font-size:15px;
    margin-top:8px;
    max-width:76ch;
  }
  .update-meta{
    text-align:right;
    display:flex;
    flex-direction:column;
    justify-content:center;
    gap:8px;
    font-size:13px;
    color:var(--text-sub);
  }
  .update-time{
    font-family:var(--font-num);
    letter-spacing:.05em;
  }
  .empty-state{
    border:1px dashed #B7C0B2;
    background:rgba(255,255,255,.55);
    border-radius:10px;
    color:var(--text-sub);
    text-align:center;
    padding:clamp(40px,8vw,70px) 20px;
    font-size:16px;
  }
  @media (max-width:680px){
    .update-row{ grid-template-columns:1fr; }
    .update-meta{ flex-direction:row; justify-content:flex-start; align-items:center; }
  }

  /* ===== FAQ ===== */
  .faq-section{ background:var(--bg-page); }
  .faq-grid{ display:grid; grid-template-columns:minmax(0,.75fr) minmax(0,1.35fr); gap:clamp(32px,6vw,100px); align-items:start; }
  .faq-sidebar{ position:sticky; top:130px; }
  .faq-list{ list-style:none; margin:0; padding:0; }
  .faq-item{ border-bottom:1px solid var(--line); }
  .faq-item:first-child{ border-top:1px solid var(--line); }
  .faq-q{
    width:100%;
    border:none;
    background:transparent;
    display:flex;
    justify-content:space-between;
    align-items:center;
    gap:16px;
    text-align:left;
    padding:22px 4px;
    color:var(--ink-deep);
    font-size:17px;
    font-weight:600;
    line-height:1.5;
    transition:color .2s;
  }
  .faq-q:hover{ color:var(--brand); }
  .faq-q:focus-visible{ outline:2px solid var(--brand); outline-offset:2px; border-radius:4px; }
  .faq-ic{
    width:28px;height:28px;
    border:1px solid var(--line);
    border-radius:50%;
    display:inline-flex;align-items:center;justify-content:center;
    flex-shrink:0;
    transition:.3s;
    font-size:18px;
    color:var(--brand);
  }
  .faq-item.open .faq-ic{ transform:rotate(135deg); background:var(--brand); color:#fff; border-color:var(--brand); }
  .faq-answer{
    display:grid;
    grid-template-rows:0fr;
    transition:grid-template-rows .3s ease;
  }
  .faq-item.open .faq-answer{ grid-template-rows:1fr; }
  .faq-a-inner{ overflow:hidden; }
  .faq-a-content{ padding:0 28px 24px 0; color:var(--text-sub); font-size:15px; max-width:72ch; line-height:2; }
  @media (max-width:860px){
    .faq-grid{ grid-template-columns:1fr; }
    .faq-sidebar{ position:static; }
  }

  /* ===== Contact / CTA ===== */
  .contact-section{
    background:linear-gradient(135deg,#132823 0%,#1D3A33 100%);
    color:#fff;
    overflow:hidden;
    position:relative;
  }
  .contact-section::after{
    content:"";
    position:absolute;
    inset:0;
    background:url('/assets/images/backpic/back-3.png') center/cover;
    mix-blend-mode:overlay;
    opacity:.16;
    pointer-events:none;
  }
  .contact-grid{
    position:relative;
    z-index:1;
    display:grid;
    grid-template-columns:minmax(0,1fr) minmax(380px,.9fr);
    gap:clamp(36px,6vw,90px);
    align-items:center;
  }
  .cta-heading{
    font-size:clamp(26px,3.2vw,44px);
    font-weight:900;
    letter-spacing:-.02em;
    line-height:1.25;
  }
  .cta-heading span{
    color:var(--gold);
  }
  .cta-desc{
    color:rgba(255,255,255,.8);
    margin-top:18px;
    font-size:17px;
    max-width:52ch;
  }
  .cta-links{
    display:flex;
    flex-direction:column;
    gap:14px;
    margin-top:30px;
    align-items:flex-start;
  }
  .cta-info{
    margin-top:34px;
    color:rgba(255,255,255,.55);
    font-size:13px;
    max-width:50ch;
    display:flex;
    flex-wrap:wrap;
    gap:6px 24px;
  }
  .contact-form{
    background:rgba(255,255,255,.08);
    backdrop-filter:blur(14px);
    border:1px solid rgba(255,255,255,.16);
    border-radius:12px;
    padding:clamp(22px,3vw,38px);
    box-shadow:0 24px 60px rgba(0,0,0,.2);
  }
  .contact-form h3{ font-size:21px; font-weight:800; margin-bottom:6px; }
  .contact-form p{ font-size:14px; color:rgba(255,255,255,.7); margin-bottom:22px; }
  .form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:14px; }
  .form-full{ grid-column:1/3; }
  .f-label{ font-size:13px; color:rgba(255,255,255,.78); display:block; margin-bottom:6px; }
  .f-input{
    width:100%;
    height:44px;
    border:1px solid rgba(255,255,255,.24);
    border-radius:5px;
    background:rgba(255,255,255,.08);
    padding:0 14px;
    font-size:15px;
    color:#fff;
    transition:.2s;
  }
  textarea.f-input{ height:96px; padding:10px 14px; resize:vertical; }
  .f-input::placeholder{ color:rgba(255,255,255,.45); }
  .f-input:focus{
    outline:none;
    border-color:var(--gold);
    background:rgba(255,255,255,.15);
  }
  .btn-submit{
    height:48px;
    border:none;
    background:var(--accent);
    color:#fff;
    font-weight:700;
    border-radius:5px;
    width:100%;
    transition:.25s;
  }
  .btn-submit:hover{ background:#F26945; transform:translateY(-1px); box-shadow:0 10px 24px rgba(228,87,43,.3); }
  .btn-submit:focus-visible{ outline:3px solid rgba(200,168,120,.5); outline-offset:2px; }
  @media (max-width:860px){
    .contact-grid{ grid-template-columns:1fr; }
    .form-grid{ grid-template-columns:1fr; }
    .form-full{ grid-column:1/2; }
  }

  /* ===== Footer ===== */
  .site-footer{
    background:#0C1E1A;
    color:#D9E1D4;
    padding-top:clamp(44px,6vw,76px);
    position:relative;
  }
  .footer-top{
    display:grid;
    grid-template-columns:minmax(0,1.25fr) minmax(0,2fr);
    gap:clamp(28px,5vw,80px);
    padding-bottom:50px;
    border-bottom:1px solid rgba(255,255,255,.1);
  }
  .footer-brand{ font-size:24px; font-weight:900; color:#fff; letter-spacing:-.02em; display:flex; align-items:center; gap:10px; }
  .footer-brand .mini-mark{
    width:34px;height:34px;
    background:#fff;
    border-radius:5px;
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:1px;
    padding:5px;
    box-sizing:border-box;
  }
  .footer-brand .mini-mark i{ background:var(--ink-deep); border-radius:1px; }
  .footer-brand .mini-mark i:nth-child(5){ background:var(--gold); }
  .footer-about{ color:rgba(255,255,255,.6); margin-top:14px; font-size:14px; max-width:42ch; line-height:1.9; }
  .footer-link-cols{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
  .footer-col h4{
    color:#fff;
    font-size:14px;
    font-weight:600;
    letter-spacing:.08em;
    margin-bottom:16px;
    text-transform:uppercase;
  }
  .footer-col ul{ list-style:none; margin:0; padding:0; display:grid; gap:8px; }
  .footer-col li a{
    color:rgba(255,255,255,.62);
    font-size:14px;
    transition:.2s;
  }
  .footer-col li a:hover{ color:#fff; text-decoration:underline; text-underline-offset:3px; text-decoration-color:var(--gold); }
  .footer-bottom{
    display:flex;
    flex-wrap:wrap;
    justify-content:space-between;
    align-items:center;
    gap:10px 16px;
    padding-block:20px;
    color:rgba(255,255,255,.4);
    font-size:13px;
  }
  .footer-bottom a{ color:rgba(255,255,255,.45); transition:.2s; display:inline-flex; align-items:center; gap:5px; }
  .footer-bottom a:hover{ color:var(--gold); }
  .back-top{
    border:1px solid rgba(255,255,255,.18);
    border-radius:4px;
    padding:5px 12px;
    background:transparent;
    color:rgba(255,255,255,.65);
    font-size:13px;
    transition:.2s;
  }
  .back-top:hover{ border-color:var(--gold); color:var(--gold); }
  .footer-copyright-domain{ font-family:var(--font-num); letter-spacing:.05em; }

  @media (max-width:860px){
    .footer-top{ grid-template-columns:1fr; }
    .footer-link-cols{ padding-top:10px; }
  }
  @media (max-width:600px){
    .footer-link-cols{ grid-template-columns:1fr 1fr; gap:24px 18px; }
    .footer-bottom{ flex-direction:column; justify-content:center; text-align:center; }
  }

  /* ===== reveal animations ===== */
  .reveal{ opacity:0; visibility:hidden; transform:translateY(26px); transition:opacity .55s cubic-bezier(.2,.6,.2,1), transform .55s cubic-bezier(.2,.6,.2,1), visibility .55s; }
  .reveal.is-visible{ opacity:1; visibility:visible; transform:none; }

  @media (prefers-reduced-motion: reduce){
    *,*::before,*::after{ animation-duration:.01ms !important; transition-duration:.01ms !important; scroll-behavior:auto !important; }
    .reveal{ opacity:1; visibility:visible; transform:none; }
  }

  /* JS helpers */
  .arrow{ display:inline-block; transition:transform .2s; }

/* roulang page: category1 */
:root {
  --bg-cream: #F6F5F0;
  --bg-white: #FFFFFF;
  --bg-dark: #132823;
  --brand: #0E6B5C;
  --brand-hover: #0A4F44;
  --accent: #E4572B;
  --gold: #C8A878;
  --text-primary: #16201D;
  --text-secondary: #5A675F;
  --border-line: #D8DCD2;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --transition-base: all 0.25s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC',sans-serif; background-color: var(--bg-cream); color: var(--text-primary); line-height: 1.7; font-size: 16px; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition-base); }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; }
.container { max-width: 1320px; margin: 0 auto; padding-left: 16px; padding-right: 16px; }
@media (min-width: 1024px) { .container { padding-left: 32px; padding-right: 32px; } }
h1, h2, h3, h4 { line-height: 1.2; font-weight: 700; }

.text-num { font-family: 'D-DIN', 'DIN Alternate', 'Arial Narrow', sans-serif; letter-spacing: 0.02em; }

/* ===== Header ===== */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(246,245,240,0.92); backdrop-filter: blur(18px); border-bottom: 1px solid var(--border-line); transition: var(--transition-base); }
.site-header .header-top { display: flex; align-items: center; justify-content: space-between; height: 64px; padding: 0 16px; max-width: 1320px; margin: 0 auto; gap: 20px; }
.frame-logo { display: flex; align-items: center; gap: 10px; white-space: nowrap; }
.mini-mark { display: grid; grid-template-columns: repeat(3, 6px); grid-template-rows: repeat(3, 6px); gap: 2px; }
.mini-mark i { background: var(--brand); border-radius: 1px; display: block; }
.frame-logo .mini-mark i:nth-child(3), .frame-logo .mini-mark i:nth-child(7) { background: var(--accent); }
.brand-name { font-size: 20px; font-weight: 900; letter-spacing: 0.02em; color: var(--text-primary); white-space: nowrap; }
.brand-name span { color: var(--brand); }
.header-tools { display: flex; align-items: center; gap: 10px; }
.search-trigger, .drawer-trigger { display: inline-flex; align-items: center; gap: 6px; padding: 7px 16px; background: var(--bg-white); border: 1px solid var(--border-line); border-radius: 999px; font-size: 13px; color: var(--text-secondary); transition: var(--transition-base); }
.search-trigger:hover, .drawer-trigger:hover { border-color: var(--brand); color: var(--brand); transform: translateY(-1px); }
.search-trigger i { font-size: 14px; }
.main-nav { display: flex; align-items: center; justify-content: space-between; max-width: 1320px; margin: 0 auto; padding: 0 20px; border-top: 1px solid #ECEAE3; min-height: 48px; }
.nav-links { display: flex; align-items: center; gap: 10px; overflow-x: auto; -ms-overflow-style: none; scrollbar-width: none; }
.nav-links::-webkit-scrollbar { display: none; }
.nav-links a { position: relative; padding: 12px 16px; font-size: 15px; color: var(--text-secondary); font-weight: 500; white-space: nowrap; }
.nav-links a::after { content: ''; position: absolute; bottom: 6px; left: 16px; right: 16px; height: 2px; background: var(--brand); transform: scaleX(0); transform-origin: left; transition: transform 0.25s ease; }
.nav-links a:hover { color: var(--brand); }
.nav-links a:hover::after { transform: scaleX(1); }
.nav-links a.active { color: var(--brand); font-weight: 600; }
.nav-links a.active::after { transform: scaleX(1); }
.nav-cta { display: inline-flex !important; align-items: center; gap: 6px; color: var(--text-primary); font-size: 14px; font-weight: 600; padding: 8px 0 8px 20px; white-space: nowrap; }
.nav-cta:hover { color: var(--accent); }
.nav-cta .arrow { font-size: 16px; }
.search-panel { display: none; padding: 20px 0; background: var(--bg-white); border-top: 1px solid var(--border-line); }
.search-panel.open { display: block; }
.search-box { display: flex; max-width: 720px; margin: 0 auto; }
.search-box input { flex: 1; border: 1px solid var(--border-line); border-radius: var(--radius-sm) 0 0 var(--radius-sm); padding: 10px 14px; font-size: 14px; font-family: inherit; outline: none; background: #FAFAF8; transition: border-color 0.2s ease; }
.search-box input:focus { border-color: var(--brand); }
.search-box button { background: var(--brand); border: none; color: #fff; padding: 0 24px; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; transition: var(--transition-base); }
.search-box button:hover { background: var(--brand-hover); }
.hot-tags { max-width: 720px; margin: 12px auto 0; display: flex; gap: 8px; flex-wrap: wrap; font-size: 13px; }
.hot-tags a { color: var(--text-secondary); padding: 4px 12px; border-radius: 999px; background: #F1F0EB; transition: var(--transition-base); }
.hot-tags a:hover { background: var(--brand); color: #fff; }
.mobile-drawer { position: fixed; top: 0; right: -100%; width: 86%; max-width: 340px; height: 100vh; background: var(--bg-cream); z-index: 200; transition: right 0.35s cubic-bezier(0.4,0,0.2,1); overflow-y: auto; }
.mobile-drawer.open { right: 0; }
.drawer-mask { position: fixed; inset: 0; background: rgba(14,32,28,0.5); z-index: 199; opacity: 0; pointer-events: none; transition: opacity 0.35s ease; }
.drawer-mask.open { opacity: 1; pointer-events: auto; }
.drawer-title { display: flex; align-items: center; justify-content: space-between; padding: 18px 16px; border-bottom: 1px solid var(--border-line); }
.drawer-links { padding: 8px 0; }
.drawer-links a { display: block; padding: 12px 20px; font-size: 16px; border-left: 3px solid transparent; }
.drawer-links a:hover { border-color: var(--brand); color: var(--brand); background: rgba(14,107,92,0.04); }
.drawer-links a.active { border-color: var(--accent); color: var(--brand); background: rgba(228,87,43,0.05); font-weight: 600; }
.drawer-cta { margin: 14px; text-align: center; }
.nav-trigger-mobile { display: none; }
@media (max-width: 1023px) {
  .main-nav { display: none; }
  .nav-trigger-mobile { display: inline-flex; align-items: center; gap: 4px; padding: 7px 14px; background: var(--bg-white); border: 1px solid var(--border-line); border-radius: 999px; color: var(--text-secondary); font-size: 13px; }
  .nav-trigger-mobile:hover { border-color: var(--brand); color: var(--brand); }
}
@media (max-width: 520px) {
  .search-trigger { padding: 7px 10px; font-size: 13px; }
  .brand-name { font-size: 18px; }
  .nav-trigger-mobile { padding: 6px 10px; }
}

.site-header.scrolled { background: rgba(246,245,240,0.96); box-shadow: 0 8px 32px rgba(20,25,22,0.08); }
.site-header.scrolled .header-top { height: 56px; }
.site-header.scrolled .main-nav { min-height: 44px; }

/* ===== Page Hero ===== */
.page-hero { position: relative; min-height: 270px; display: flex; align-items: center; text-align: center; padding: 80px 0; overflow: hidden; }
.page-hero .hero-bg { position: absolute; inset: 0; background-image: url('/assets/images/backpic/back-1.png'); background-size: cover; background-position: center; opacity: 0.35; }
.page-hero::after { content: ''; position: absolute; inset: 0; background: linear-gradient(160deg, #132823 0%, rgba(19,40,35,0.2) 60%, rgba(19,40,35,0.65) 100%); }
.page-hero .hero-content { position: relative; z-index: 5; width: 100%; }
.page-hero .page-banner { display: inline-block; background: rgba(228,87,43,0.84); color: #fff; font-size: 13px; font-weight: 600; letter-spacing: 0.08em; padding: 6px 16px; border-radius: 999px; margin-bottom: 16px; }
.page-hero h1 { color: #fff; font-size: clamp(32px, 5vw, 52px); font-weight: 900; letter-spacing: -0.01em; line-height: 1.15; text-shadow: 0 4px 24px rgba(0,0,0,0.25); }
.page-hero .hero-lead { color: rgba(255,255,255,0.7); font-size: 16px; max-width: 600px; margin: 0 auto; }
.breadcrumb { position: absolute; top: 16px; left: 0; right: 0; z-index: 8; text-align: center; font-size: 13px; color: rgba(255,255,255,0.55); }
.breadcrumb a { color: rgba(255,255,255,0.55); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb .space { margin: 0 4px; opacity: 0.5; }
@media (max-width: 768px) {
  .page-hero { min-height: 240px; padding: 56px 16px; }
  .page-hero h1 { font-size: 30px; }
  .page-hero .hero-lead { font-size: 14px; }
}

/* ===== Intro / Section ===== */
.intro-box { margin: -40px auto 0; max-width: 900px; background: #fff; border-radius: var(--radius-md); box-shadow: 0 1px 2px rgba(20,30,25,0.03), 0 8px 24px rgba(20,30,25,0.04); padding: 32px 36px; position: relative; z-index: 12; border-top: 3px solid var(--accent); }
.intro-box p { font-size: 15.5px; color: var(--text-secondary); line-height: 1.85; }
@media (max-width: 640px) { .intro-box { margin-top: -30px; padding: 22px; } }
.section-spacer { padding: 60px 0; }
.section-spacer-sm { padding: 36px 0; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 24px; }
.section-label { font-size: 14px; font-weight: 600; color: var(--accent); letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 6px; display: block; }
.section-title { font-size: clamp(24px, 3.5vw, 38px); font-weight: 800; color: var(--text-primary); line-height: 1.25; margin-bottom: 8px; }
.section-desc { color: var(--text-secondary); font-size: 15px; max-width: 600px; }

/* Cards row */
.focus-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.v-card { background: #fff; border-radius: var(--radius-md); overflow: hidden; border: 1px solid rgba(216,220,210,0.4); transition: var(--transition-base); display: flex; flex-direction: column; }
.v-card:hover { transform: translateY(-4px); box-shadow: 0 2px 4px rgba(20,30,25,0.04), 0 18px 32px rgba(20,30,25,0.08); }
.v-card .card-img { position: relative; aspect-ratio: 16/10; overflow: hidden; background: #e9e5dd; }
.v-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.45s cubic-bezier(0.2,0.6,0.2,1); }
.v-card:hover .card-img img { transform: scale(1.04); }
.cover-tag { position: absolute; top: 12px; left: 12px; z-index: 4; background: rgba(228,87,43,0.92); color: #fff; font-size: 12px; font-weight: 600; padding: 4px 10px; border-radius: 999px; }
.card-body { padding: 18px 20px 16px; flex: 1; display: flex; flex-direction: column; }
.card-body .card-title { font-size: 16px; font-weight: 700; line-height: 1.45; margin-bottom: 6px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card-body p { font-size: 13px; color: var(--text-secondary); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; line-height: 1.6; }
.card-meta { display: flex; align-items: center; gap: 6px; margin-top: auto; padding-top: 12px; font-size: 12px; color: var(--text-secondary); }
.card-meta i { font-size: 12px; color: var(--text-secondary); }
.card-read-more { display: inline-flex; align-items: center; gap: 4px; color: var(--brand); font-weight: 600; font-size: 13px; transition: var(--transition-base); }
.card-read-more:hover { gap: 8px; }
@media (max-width: 1023px) {
  .focus-row { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .focus-row { grid-template-columns: repeat(1, 1fr); }
}

/* Featured list - horizontal split */
.coverage-wrap { display: grid; grid-template-columns: 1fr 1.5fr; gap: 28px; align-items: start; }
.f-section-label { font-size: 13px; font-weight: 700; color: var(--accent); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.f-section-label::after { content: ''; height: 1px; background: var(--border-line); flex-grow: 1; }
.f-topic-list { display: flex; flex-direction: column; }
.f-topic-item { border-bottom: 1px solid rgba(216,220,210,0.7); padding: 13px 0; }
.f-topic-item a { display: flex; flex-direction: column; gap: 2px; }
.f-topic-item .topic-title { font-size: 16px; font-weight: 600; color: var(--text-primary); transition: var(--transition-base); }
.f-topic-item:hover .topic-title { color: var(--brand); }
.f-topic-item .topic-note { font-size: 13px; color: var(--text-secondary); }
.f-topic-item .idx { font-size: 12px; color: var(--gold); font-weight: 600; font-family: 'DIN Alternate', sans-serif; }
.f-topic-item .arrow-line { color: var(--brand); font-size: 14px; transition: transform 0.2s ease; }
.f-topic-item a:hover .arrow-line { transform: translateX(4px); color: var(--accent); }
@media (max-width: 767px) {
  .coverage-wrap { grid-template-columns: 1fr; gap: 30px; }
}

/* Insight timeline */
.timeline-section { background: linear-gradient(160deg, var(--bg-dark) 0%, #1b342e 100%, rgba(19,40,35,1) 100%); border-radius: var(--radius-md); padding: 44px 48px; position: relative; overflow: hidden; }
.timeline-section .section-title { color: #fff; }
.timeline-section .section-desc { color: rgba(255,255,255,0.65); }
.timeline-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-top: 20px; }
.t-item { padding: 20px 22px 20px 0; border-left: 2px solid rgba(255,255,255,0.18); min-height: 140px; margin-left: 14px; }
.t-item .t-time { color: var(--accent); font-size: 14px; font-weight: 500; font-family: 'DIN Alternate', sans-serif; letter-spacing: 0.08em; margin-bottom: 6px; }
.t-item h4 { font-size: 14px; font-weight: 700; color: rgba(255,255,255,0.88); margin-bottom: 6px; }
.t-item p { font-size: 13px; color: rgba(255,255,255,0.6); line-height: 1.6; }
@media (max-width: 767px) {
  .timeline-grid { grid-template-columns: 1fr; }
  .timeline-section { padding: 28px 20px; }
}

/* Block rows */
.special-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.special-item { background: #fff; border-radius: var(--radius-md); padding: 28px 24px; border: 1px solid rgba(216,220,210,0.5); box-shadow: 0 1px 2px rgba(20,30,25,0.03); transition: var(--transition-base); }
.special-item:hover { transform: translateY(-4px); border-color: #c3c9c0; box-shadow: 0 2px 4px rgba(20,30,25,0.04), 0 18px 32px rgba(20,30,25,0.06); }
.special-item .s-meta { font-size: 12px; color: var(--accent); font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 14px; }
.special-item .s-icon { width: 44px; height: 44px; border-radius: 8px; display: flex; align-items: center; justify-content: center; background: rgba(14,107,92,0.08); color: var(--brand); font-size: 22px; margin-bottom: 14px; }
.special-item h3 { font-size: 19px; font-weight: 700; margin-bottom: 8px; }
.special-item p { font-size: 14px; color: var(--text-secondary); line-height: 1.65; }
.special-num { display: flex; justify-content: flex-start; align-items: center; gap: 6px; margin-top: 12px; font-size: 12px; color: var(--text-secondary); font-weight: 500; }
@media (max-width: 767px) {
  .special-grid { grid-template-columns: 1fr; }
}

/* Search shortcut / Tags */
.tag-cloud { display: flex; flex-wrap: wrap; gap: 10px; }
.tag-item { border: 1px solid var(--border-line); background: #fff; padding: 6px 14px; border-radius: 999px; font-size: 13px; color: var(--text-secondary); transition: var(--transition-base); }
.tag-item:hover { background: var(--brand); color: #fff; border-color: var(--brand); transform: translateY(-2px); }
.tag-item.warm { border-color: rgba(228,87,43,0.3); color: var(--accent); background: rgba(228,87,43,0.04); }
.tag-item.warm:hover { background: var(--accent); color: #fff; }

/* Why Category / Intro cards */
.category-intro-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.block-desc { background: #fff; border-radius: var(--radius-md); padding: 24px 28px; border-left: 4px solid var(--brand); }
.block-desc strong { color: var(--text-primary); }
.block-desc p { color: var(--text-secondary); font-size: 14px; margin-top: 4px; }
@media (max-width: 767px) {
  .category-intro-row { grid-template-columns: 1fr; }
}

/* Search & rank table static list */
.entry-index { display: flex; flex-direction: column; border-top: 1px solid var(--border-line); }
.entry-row { display: grid; grid-template-columns: 36px 1fr auto; align-items: center; padding: 18px 16px; background: #fff; border-bottom: 1px solid rgba(216,220,210,0.7); gap: 14px; transition: var(--transition-base); }
.entry-row:hover { background: rgba(14,107,92,0.03); padding-left: 24px; box-shadow: inset 3px 0 0 var(--brand); }
.entry-idx { font-family: 'DIN Alternate', sans-serif; font-weight: 600; font-size: 24px; color: #cfd4cb; transition: var(--transition-base); }
.entry-row:hover .entry-idx { color: var(--brand); }
.entry-tx h4 { font-size: 16px; font-weight: 600; color: var(--text-primary); margin-bottom: 2px; }
.entry-tx p { font-size: 13px; color: var(--text-secondary); display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.entry-arrow { color: var(--text-secondary); transition: var(--transition-base); font-size: 16px; }
.entry-row:hover .entry-arrow { color: var(--brand); transform: translateX(4px); }

/* ===== CTA / Form ===== */
.cta-section { position: relative; border-radius: var(--radius-md); overflow: hidden; padding: 64px 48px; text-align: center; background-image: url('/assets/images/backpic/back-2.png'); background-size: cover; background-position: center; }
.cta-section .dark-layer { position: absolute; inset: 0; background: radial-gradient(ellipse at center, rgba(19,40,35,0.55) 0%, rgba(10,32,28,0.92) 100%); }
.cta-section .cta-inner { position: relative; z-index: 2; }
.cta-section h2 { color: #fff; font-size: clamp(28px, 4vw, 44px); font-weight: 800; line-height: 1.3; }
.cta-section p { color: rgba(255,255,255,0.75); font-size: 16px; max-width: 560px; margin: 12px auto 26px auto; }
.btn-primary { display: inline-flex; align-items: center; gap: 8px; background: var(--brand); color: #fff !important; padding: 12px 28px; border-radius: var(--radius-sm); font-weight: 600; border: 1px solid var(--brand); transition: var(--transition-base); font-size: 15px; }
.btn-primary:hover { background: var(--brand-hover); border-color: var(--brand-hover); transform: translateY(-2px); box-shadow: 0 8px 18px rgba(10,79,68,0.25); }
.btn-outline { display: inline-flex; align-items: center; gap: 8px; background: transparent; color: #fff !important; padding: 11px 26px; border-radius: var(--radius-sm); font-weight: 600; border: 1px solid rgba(255,255,255,0.55);
  transition: var(--transition-base); font-size: 15px; }
.btn-outline:hover { border-color: #fff; background: rgba(255,255,255,0.08); transform: translateY(-2px); }

/* ===== FAQ ===== */
.faq-layout { display: grid; grid-template-columns: 0.75fr 1.25fr; gap: 48px; align-items: flex-start; }
.faq-item { border-bottom: 1px solid var(--border-line); padding: 18px 0; }
.faq-q { display: flex; justify-content: space-between; align-items: center; gap: 16px; font-size: 16px; font-weight: 600; color: var(--text-primary); background: none; border: none; width: 100%; text-align: left; cursor: pointer; transition: all 0.2s ease; padding: 4px 0; border-radius: 2px; }
.faq-q:hover { color: var(--brand); }
.faq-q .icon { font-size: 20px; color: var(--brand); flex-shrink: 0; transition: transform 0.25s ease; }
.faq-item.open .faq-q .icon { transform: rotate(45deg); color: var(--accent); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s cubic-bezier(0.3, 0.2, 0.2, 1); }
.faq-answer-inner { padding-top: 10px; font-size: 15px; color: var(--text-secondary); line-height: 1.7; }
@media (max-width: 767px) {
  .faq-layout { grid-template-columns: 1fr; gap: 20px; }
}
.faq-q:focus-visible { outline: 2px solid var(--brand); background: rgba(14,107,92,0.05); }

/* ===== Footer ===== */
.site-footer { background: var(--bg-dark); color: rgba(255,255,255,0.7); padding: 52px 0 0; }
.site-footer .wrapper { max-width: 1320px; margin: 0 auto; padding: 0 16px; }
.site-footer .footer-top { display: flex; gap: 56px; justify-content: space-between; }
.footer-brand { display: flex; align-items: center; gap: 10px; font-size: 22px; font-weight: 800; color: #fff; }
.footer-brand .mini-mark i { background: rgba(255,255,255,0.6); }
.footer-brand .mini-mark i:nth-child(3), .footer-brand .mini-mark i:nth-child(7) { background: var(--accent); }
.footer-about { font-size: 14px; color: rgba(255,255,255,0.55); margin-top: 10px; line-height: 1.7; max-width: 320px; }
.footer-link-cols { display: flex; gap: 40px; }
.footer-col h4 { font-size: 14px; color: #fff; margin-bottom: 10px; font-weight: 500; letter-spacing: 0.05em; }
.footer-col ul li { margin-bottom: 6px; }
.footer-col ul li a { color: rgba(255,255,255,0.55); font-size: 14px; transition: opacity 0.2s ease, color 0.2s ease; }
.footer-col ul li a:hover { color: var(--accent); opacity: 1; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 22px 0 26px; margin-top: 36px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.back-top { background: rgba(255,255,255,0.06); color: rgba(255,255,255,0.7); border: 1px solid rgba(255,255,255,0.12); padding: 8px 16px; border-radius: 6px; transition: var(--transition-base); font-size: 13px; }
.back-top:hover { color: var(--accent); border-color: var(--accent); }
@media (max-width: 767px) {
  .footer-top { flex-direction: column; gap: 28px; }
  .footer-brand { font-size: 20px; }
  .footer-about { max-width: 100%; }
  .footer-link-cols { gap: 18px; flex-direction: column; }
  .footer-col { margin-bottom: 6px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

/* Scroll animations */
.fade-rise { opacity: 0; transform: translateY(24px); transition: opacity 0.55s ease, transform 0.55s cubic-bezier(0.2, 0.6, 0.2, 1); }
.fade-rise.in-view { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; transform: none !important; }
}

/* accessibility focus */
a:focus-visible, button:focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; border-radius: 4px; }

/* article like tag clean override */
.main-nav a, .footer-brand, .nav-links a:hover { text-decoration: none; }

/* ===== ===== */
body.nav-lock { overflow: hidden; }
strong { font-weight: 600; color: var(--text-primary); }
.bg-primary-soft { background-color: rgba(14,107,92,0.35) !important; }
.text-warm { color: var(--accent) !important; }
.hidden-note { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* roulang page: article */
:root {
    --bg: #F6F5F0;
    --white: #FFFFFF;
    --ink: #16201D;
    --muted: #5A675F;
    --line: #D8DCD2;
    --dark: #132823;
    --dark-2: #0F2420;
    --green: #0E6B5C;
    --green-2: #0A4F44;
    --accent: #E4572B;
    --gold: #C8A878;
    --radius-sm: 6px;
    --radius-lg: 10px;
    --shadow: 0 1px 2px rgba(20, 30, 25, 0.03), 0 8px 24px rgba(20, 30, 25, 0.04);
    --shadow-up: 0 2px 4px rgba(20, 30, 25, 0.04), 0 18px 32px rgba(20, 30, 25, 0.08);
    --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

img {
    display: block;
    max-width: 100%;
}

a {
    color: inherit;
    text-decoration: none;
}

button,
input {
    font-family: inherit;
    font-size: inherit;
}

.container {
    width: 100%;
    max-width: 1320px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1rem;
    padding-right: 1rem;
}

@media (min-width: 1024px) {
    .container {
        padding-left: 2rem;
        padding-right: 2rem;
    }
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.btn-primary,
.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    min-height: 44px;
    padding: .65rem 1.35rem;
    border-radius: 6px;
    font-weight: 600;
    font-size: .95rem;
    line-height: 1.2;
    cursor: pointer;
    transition: background .25s ease, color .25s ease, border-color .25s ease, transform .2s ease, box-shadow .25s ease;
}

.btn-primary {
    background: var(--green);
    color: #fff;
    border: 1px solid var(--green);
}

.btn-primary:hover {
    background: var(--green-2);
    border-color: var(--green-2);
    box-shadow: var(--shadow-up);
    transform: translateY(-1px);
}

.btn-primary:focus-visible,
.btn-outline:focus-visidle {
    outline: 3px solid rgba(14, 107, 92, .25);
    outline-offset: 2px;
}

.btn-primary:active,
.btn-outline:active {
    transform: scale(.985);
}

.btn-outline {
    background: transparent;
    color: var(--green);
    border: 1px solid rgba(14, 107, 92, .35);
}

.btn-outline:hover {
    background: rgba(14, 107, 92, .08);
    border-color: var(--green);
    box-shadow: var(--shadow-up);
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 90;
    background: rgba(246, 245, 240, .88);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid transparent;
    transition: border-color .3s ease, background .3s ease, box-shadow .3s ease;
}

.site-header.is-scrolled {
    background: rgba(246, 245, 240, .95);
    border-bottom-color: rgba(216, 220, 210, .8);
    box-shadow: 0 8px 24px rgba(19, 40, 35, .05);
}

.header-top {
    max-width: 1320px;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 14px 1rem;
    transition: padding .3s ease, background .3s ease;
}

.site-header.is-scrolled .header-top {
    padding-top: 8px;
    padding-bottom: 8px;
}

@media (min-width: 1024px) {
    .header-top {
        padding-left: 2rem;
        padding-right: 2rem;
    }
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: .7rem;
    flex-shrink: 0;
}

.brand-mark,
.mini-mark {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(3, 1fr);
    gap: 2px;
    width: 30px;
    height: 30px;
}

.brand-mark i,
.mini-mark i {
    background: var(--green);
    border-radius: 2px;
    display: block;
}

.brand-mark i:nth-child(2),
.brand-mark i:nth-child(6),
.brand-mark i:nth-child(7),
.mini-mark i:nth-child(2),
.mini-mark i:nth-child(6),
.mini-mark i:nth-child(7) {
    background: var(--accent);
}

.brand-mark i:nth-child(4),
.mini-mark i:nth-child(4) {
    background: var(--gold);
}

.brand-name {
    font-size: 1.2rem;
    font-weight: 900;
    letter-spacing: -0.01em;
    color: var(--ink);
}

@media (min-width: 1024px) {
    .brand-name {
        font-size: 1.35rem;
    }
}

.header-tools {
    display: flex;
    align-items: center;
    gap: .9rem;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
    width: min(430px, 42vw);
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: .2rem .25rem .2rem 1rem;
    transition: border-color .25s ease, box-shadow .25s ease;
}

.search-box:focus-within {
    border-color: var(--green);
    box-shadow: 0 0 0 4px rgba(14, 107, 92, .08);
}

.search-box input {
    width: 100%;
    border: 0;
    outline: 0;
    background: transparent;
    color: var(--ink);
    font-size: .875rem;
    padding: .45rem 0;
}

.search-box input::placeholder {
    color: #8B968E;
}

.search-box .search-btn {
    flex-shrink: 0;
    height: 32px;
    min-width: 58px;
    border: 0;
    border-radius: 999px;
    background: var(--dark);
    color: #fff;
    font-size: .8rem;
    font-weight: 600;
    cursor: pointer;
    transition: background .25s ease;
}

.search-box .search-btn:hover {
    background: var(--green);
}

.search-hot {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    left: 0;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 12px;
    box-shadow: var(--shadow-up);
    padding: .8rem 1rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .3rem;
    font-size: .82rem;
    color: var(--muted);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: opacity .2s ease, transform .2s ease, visibility .2s ease;
    z-index: 10;
}

.search-box:focus-within .search-hot {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.search-hot a {
    color: var(--green);
    padding: .2rem .7rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    transition: border-color .2s ease, background .2s ease;
}

.search-hot a:hover {
    border-color: rgba(14, 107, 92, .4);
    background: rgba(14, 107, 92, .06);
}

.menu-btn {
    display: none;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border: 1px solid var(--line);
    background: #fff;
    border-radius: 8px;
    cursor: pointer;
    transition: border-color .2s ease;
}

.menu-btn span {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--ink);
    margin: 3px auto;
    border-radius: 2px;
    transition: background .2s ease;
}

.menu-btn:hover {
    border-color: var(--green);
}

.main-nav {
    display: block;
    border-top: 1px solid rgba(216, 220, 210, .78);
}

.main-nav .nav-inner {
    max-width: 1320px;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0 1rem;
}

@media (min-width: 1024px) {
    .main-nav .nav-inner {
        padding-left: 2rem;
        padding-right: 2rem;
    }
}

.nav-links {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    width: 100%;
}

.nav-links li {
    display: flex;
}

.nav-links a {
    position: relative;
    display: inline-flex;
    align-items: center;
    padding: .72rem 1rem;
    color: var(--ink);
    font-size: .95rem;
    font-weight: 600;
    white-space: nowrap;
    transition: color .2s ease;
}

.nav-links a::after {
    content: "";
    position: absolute;
    left: 1rem;
    right: 1rem;
    bottom: 0;
    height: 3px;
    background: var(--green);
    border-radius: 2px 2px 0 0;
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform .25s cubic-bezier(.2, .6, .2, 1);
}

.nav-links a:hover {
    color: var(--green);
}

.nav-links a:focus-visible {
    outline: 2px solid var(--green);
    outline-offset: -4px;
    border-radius: 4px;
}

.nav-links a.active {
    color: var(--green);
}

.nav-links a.active::after {
    transform: scaleX(1);
}

.nav-cta {
    display: inline-flex;
    flex-shrink: 0;
    align-items: center;
    gap: .35rem;
    padding: .55rem 1.1rem;
    color: var(--green);
    background: rgba(14, 107, 92, .07);
    border-radius: 999px;
    font-size: .88rem;
    font-weight: 700;
    transition: background .25s ease, color .25s ease;
}

.nav-cta .arrow {
    transition: transform .25s ease;
}

.nav-cta:hover {
    background: var(--green);
    color: #fff;
}

.nav-cta:hover .arrow {
    transform: translateX(4px);
}

.nav-cta:focus-visible {
    outline: 3px solid rgba(14, 107, 92, .3);
    outline-offset: 2px;
}

.mobile-drawer {
    position: fixed;
    top: 0;
    right: 0;
    width: min(88vw, 360px);
    height: 100dvh;
    background: var(--bg);
    z-index: 130;
    transform: translateX(103%);
    transition: transform .3s cubic-bezier(.2, .6, .2, 1);
    padding: 1.5rem;
    overflow-y: auto;
    box-shadow: -12px 0 40px rgba(20, 30, 25, .12);
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.mobile-drawer.open {
    transform: translateX(0);
}

.mobile-drawer .drawer-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--line);
}

.drawer-brand {
    display: flex;
    align-items: center;
    gap: .55rem;
    font-size: 1.05rem;
    font-weight: 900;
}

.close-drawer {
    border: 0;
    background: var(--green);
    color: #fff;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    font-size: 1.2rem;
    line-height: 1;
    cursor: pointer;
    transition: background .2s ease, transform .2s ease;
}

.close-drawer:hover {
    background: var(--green-2);
    transform: rotate(90deg);
}

.drawer-nav {
    list-style: none;
    margin: 0;
    padding: 0;
}

.drawer-nav li {
    border-bottom: 1px solid var(--line);
}

.drawer-nav a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .85rem .25rem;
    font-weight: 700;
    color: var(--ink);
    transition: color .2s ease, padding-left .2s ease;
}

.drawer-nav a:hover {
    color: var(--green);
    padding-left: .5rem;
}

.drawer-nav a.active {
    color: var(--green);
}

.drawer-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    height: 46px;
    background: var(--dark);
    color: #fff;
    border-radius: 6px;
    font-weight: 700;
    margin-top: auto;
}

.drawer-cta:hover {
    background: var(--green);
}

.drawer-backdrop {
    position: fixed;
    inset: 0;
    z-index: 120;
    background: rgba(19, 40, 35, .42);
    opacity: 0;
    visibility: hidden;
    transition: opacity .3s ease, visibility .3s ease;
}

.drawer-backdrop.show {
    opacity: 1;
    visibility: visible;
}

.article-hero {
    position: relative;
    background-color: var(--dark-2);
    background-size: cover;
    background-position: center;
    min-height: 320px;
    display: flex;
    align-items: stretch;
}

.article-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(100deg, rgba(19, 40, 35, .96) 0%, rgba(19, 40, 35, .8) 45%, rgba(19, 40, 35, .34) 100%);
}

.article-hero-inner {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1320px;
    margin-left: auto;
    margin-right: auto;
    padding: 5rem 1rem 3.5rem;
}

@media (min-width: 1024px) {
    .article-hero-inner {
        padding: 6.5rem 2rem 5rem;
    }
}

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .4rem;
    color: rgba(255, 255, 255, .65);
    font-size: .82rem;
    margin-bottom: 1.25rem;
}

.breadcrumb a {
    color: rgba(255, 255, 255, .85);
    transition: color .2s ease;
}

.breadcrumb a:hover {
    color: #fff;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.breadcrumb .divider {
    color: rgba(255, 255, 255, .35);
    font-size: .7rem;
}

.hero-pill {
    display: inline-flex;
    align-items: center;
    background: rgba(255, 255, 255, .1);
    border: 1px solid rgba(255, 255, 255, .18);
    color: #E7F1EC;
    border-radius: 999px;
    padding: .3rem .9rem;
    font-size: .78rem;
    font-weight: 600;
    letter-spacing: .05em;
    margin-bottom: 1rem;
}

.article-hero h1 {
    color: #fff;
    max-width: 68ch;
    font-size: clamp(1.8rem, 4.6vw, 3.2rem);
    line-height: 1.22;
    font-weight: 900;
    letter-spacing: -0.02em;
    margin: 0 0 1.4rem;
    overflow-wrap: break-word;
    word-break: break-word;
}

.hero-anim {
    opacity: 0;
    transform: translateY(18px);
    animation: riseIn .7s cubic-bezier(.2, .6, .2, 1) forwards;
}

.article-hero .hero-anim:nth-child(1) {
    animation-delay: .05s;
}

.article-hero .hero-anim:nth-child(2) {
    animation-delay: .12s;
}

.article-hero .hero-anim:nth-child(3) {
    animation-delay: .2s;
}

.article-hero .hero-anim:nth-child(4) {
    animation-delay: .28s;
}

@keyframes riseIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .6rem 1rem;
    color: rgba(255, 255, 255, .7);
    font-size: .85rem;
}

.hero-meta .meta-item {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
}

.hero-meta .dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--accent);
}

.article-layout {
    max-width: 1320px;
    margin-left: auto;
    margin-right: auto;
    padding: 2.5rem 1rem 4.5rem;
}

@media (min-width: 1024px) {
    .article-layout {
        padding: 3.5rem 2rem 5.5rem;
    }
}

@media (min-width: 1100px) {
    .article-layout {
        display: grid;
        grid-template-columns: minmax(0, 1fr) 360px;
        gap: 3.25rem;
    }
}

.article-primary {
    min-width: 0;
}

.article-paper {
    background: var(--white);
    border: 1px solid var(--line);
    padding: clamp(1.4rem, 3.5vw, 3.2rem);
    box-shadow: var(--shadow);
}

.reveal {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity .6s ease, transform .6s cubic-bezier(.2, .6, .2, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.article-body {
    color: var(--ink);
    font-size: 1.05rem;
    line-height: 1.9;
    letter-spacing: .005em;
}

.article-body > *:first-child {
    margin-top: 0;
}

.article-body h2,
.article-body h3 {
    color: var(--ink);
}

.article-body h2 {
    font-size: 1.7rem;
    font-weight: 800;
    line-height: 1.35;
    margin: 2.6rem 0 1.1rem;
    padding-left: 1rem;
    border-left: 4px solid var(--green);
    letter-spacing: -0.01em;
}

.article-body h3 {
    font-size: 1.3rem;
    font-weight: 800;
    line-height: 1.4;
    margin: 2rem 0 .8rem;
}

.article-body p {
    margin: 0 0 1.45em;
    max-width: 70ch;
}

.article-body a {
    color: var(--green);
    text-decoration: underline;
    text-decoration-color: rgba(14, 107, 92, .3);
    text-underline-offset: 4px;
    text-decoration-thickness: 1px;
    transition: color .2s ease, text-decoration-color .2s ease;
}

.article-body a:hover {
    color: var(--green-2);
    text-decoration-color: var(--green-2);
}

.article-body ul,
.article-body ol {
    margin: 0 0 1.5em;
    padding-left: 1.4rem;
}

.article-body li {
    margin-bottom: .55em;
}

.article-body blockquote {
    margin: 1.8rem 0;
    padding: 1.2rem 1.5rem;
    background: var(--bg);
    border-left: 4px solid var(--gold);
    color: var(--muted);
    border-radius: 0 8px 8px 0;
    font-style: normal;
}

.article-body blockquote p {
    margin-bottom: .5rem;
}

.article-body blockquote p:last-child {
    margin-bottom: 0;
}

.article-body img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    margin: 1.6rem auto;
    max-width: 100%;
    height: auto;
}

.article-body code {
    background: #EEF0EB;
    color: var(--green-2);
    border-radius: 4px;
    padding: .16rem .45rem;
    font-size: .92em;
}

.article-body pre {
    background: var(--dark);
    color: #E7F1EC;
    border-radius: 10px;
    padding: 1.25rem 1.5rem;
    overflow-x: auto;
    margin: 1.6rem 0;
}

.article-body pre code {
    background: transparent;
    padding: 0;
    color: inherit;
}

.article-body table {
    width: 100%;
    max-width: 100%;
    border-collapse: collapse;
    font-size: .92rem;
    margin: 1.6rem 0;
}

.article-body th,
.article-body td {
    text-align: left;
    border: 1px solid var(--line);
    padding: .7rem 1rem;
    vertical-align: top;
}

.article-body th {
    background: var(--bg);
    color: var(--ink);
    font-weight: 700;
}

.article-bottom {
    margin-top: 2.6rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--line);
    display: flex;
    flex-wrap: wrap;
    gap: .75rem 1.1rem;
    align-items: center;
}

.article-bottom .tag {
    display: inline-flex;
    align-items: center;
    background: rgba(14, 107, 92, .08);
    color: var(--green);
    font-size: .82rem;
    font-weight: 700;
    padding: .3rem .9rem;
    border-radius: 999px;
    border: 1px solid rgba(14, 107, 92, .14);
}

.article-more {
    margin-top: 2rem;
    color: var(--muted);
    font-size: .9rem;
    border-top: 1px solid var(--line);
    padding-top: 1.4rem;
}

.article-foot-links {
    display: flex;
    flex-wrap: wrap;
    gap: .8rem;
    margin-top: 1.8rem;
}

.article-sidebar {
    min-width: 0;
    margin-top: 2.5rem;
}

@media (min-width: 1100px) {
    .article-sidebar {
        margin-top: 0;
    }
}

.side-card {
    background: var(--white);
    border: 1px solid var(--line);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
}

.side-card h3 {
    margin: 0 0 1rem;
    font-size: 1.08rem;
    font-weight: 800;
    border-left: 4px solid var(--green);
    padding-left: .7rem;
    line-height: 1.4;
}

.side-card p {
    margin: 0 0 .65rem;
    font-size: .88rem;
    color: var(--muted);
    line-height: 1.75;
}

.side-card ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.side-card li {
    border-bottom: 1px solid var(--line);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .8rem;
}

.side-card li:last-child {
    border-bottom: 0;
}

.side-card li a {
    display: flex;
    flex: 1;
    align-items: center;
    justify-content: space-between;
    gap: .6rem;
    padding: .65rem 0;
    color: var(--ink);
    font-size: .9rem;
    font-weight: 600;
    transition: color .2s ease, padding-left .2s ease;
}

.side-card li a:hover {
    color: var(--green);
    padding-left: .4rem;
}

.side-card li .arrow {
    color: var(--green);
    font-size: 1rem;
}

.empty-article {
    background: var(--white);
    border: 1px dashed var(--line);
    padding: 4.5rem 2rem;
    text-align: center;
}

.empty-article h2 {
    font-size: 1.6rem;
    font-weight: 900;
    color: var(--ink);
    margin-bottom: 1.5rem;
}

.related-section {
    max-width: 1320px;
    margin: 0 auto;
    padding: 1rem 1rem 5rem;
}

@media (min-width: 1024px) {
    .related-section {
        padding-left: 2rem;
        padding-right: 2rem;
    }
}

.section-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.8rem;
}

.section-heading h2 {
    font-size: clamp(1.7rem, 3vw, 2.4rem);
    font-weight: 900;
    letter-spacing: -0.02em;
    line-height: 1.3;
    margin: 0;
}

.section-heading .heading-sub {
    font-size: .9rem;
    color: var(--muted);
    margin-bottom: .3rem;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 1.25rem;
}

.rel-card {
    position: relative;
    display: block;
    grid-column: span 12;
    background: var(--white);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
    transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
    overflow: hidden;
}

.rel-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-up);
    border-color: rgba(14, 107, 92, .35);
}

.rel-card:focus-visible {
    outline: 3px solid rgba(14, 107, 92, .3);
    outline-offset: 4px;
}

.rel-card.wide {
    grid-column: span 12;
}

.rel-card.narrow {
    grid-column: span 12;
}

@media (min-width: 768px) {
    .rel-card.wide {
        grid-column: span 12;
    }

    .rel-card.narrow {
        grid-column: span 6;
    }
}

@media (min-width: 1180px) {
    .rel-card.wide {
        grid-column: span 6;
    }

    .rel-card.narrow {
        grid-column: span 3;
    }
}

.rel-cover {
    position: relative;
    background: var(--dark);
    overflow: hidden;
}

.rel-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .45s cubic-bezier(.2, .6, .2, 1), opacity .3s ease;
}

.rel-card:hover .rel-cover img {
    transform: scale(1.04);
    opacity: .96;
}

.rel-card.wide .rel-cover {
    aspect-ratio: 16 / 9;
}

.rel-card.narrow .rel-cover {
    aspect-ratio: 4 / 3;
}

.rel-label {
    position: absolute;
    top: .9rem;
    left: .9rem;
    z-index: 2;
    background: var(--accent);
    color: #fff;
    font-size: .74rem;
    font-weight: 800;
    letter-spacing: .04em;
    padding: .25rem .75rem;
    border-radius: 999px;
    box-shadow: 0 4px 12px rgba(228, 87, 43, .25);
}

.rel-info {
    padding: 1.4rem 1.5rem 1.6rem;
}

.rel-info h3 {
    margin: 0 0 .5rem;
    font-size: 1.2rem;
    font-weight: 900;
    color: var(--ink);
    line-height: 1.35;
}

.rel-card.wide .rel-info h3 {
    font-size: 1.4rem;
}

.rel-info p {
    margin: 0 0 1rem;
    color: var(--muted);
    font-size: .9rem;
    line-height: 1.75;
}

.rel-more {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    color: var(--green);
    font-size: .88rem;
    font-weight: 800;
    transition: gap .25s ease;
}

.rel-card:hover .rel-more {
    gap: .7rem;
}

.article-footer-cta {
    border-top: 1px solid var(--line);
    background: rgba(255, 255, 255, .45);
}

.article-footer-cta .container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding-top: 2.6rem;
    padding-bottom: 3rem;
}

.article-footer-cta h2 {
    margin: 0;
    font-size: clamp(1.35rem, 2.4vw, 1.7rem);
    font-weight: 900;
    color: var(--ink);
}

.article-footer-cta p {
    margin: .3rem 0 0;
    color: var(--muted);
    font-size: .92rem;
}

.site-footer {
    background: var(--dark);
    color: rgba(255, 255, 255, .76);
    padding: 3.5rem 0 1.5rem;
    font-size: .9rem;
}

.site-footer .wrapper {
    max-width: 1320px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 1rem;
}

@media (min-width: 1024px) {
    .site-footer .wrapper {
        padding: 0 2rem;
    }
}

.footer-top {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
    padding-bottom: 2.8rem;
}

@media (min-width: 1100px) {
    .footer-top {
        flex-direction: row;
        justify-content: space-between;
    }
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: .8rem;
    color: #fff;
    font-size: 1.3rem;
    font-weight: 900;
    white-space: nowrap;
}

.footer-brand .mini-mark {
    width: 34px;
    height: 34px;
}

.footer-about {
    margin: .9rem 0 0;
    max-width: 36ch;
    color: rgba(255, 255, 255, .56);
    line-height: 1.8;
    font-size: .9rem;
}

.footer-link-cols {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.8rem;
    min-width: 0;
}

@media (max-width: 520px) {
    .footer-link-cols {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }
}

.footer-col h4 {
    margin: 0 0 1rem;
    color: #fff;
    font-size: .95rem;
    font-weight: 800;
}

.footer-col ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer-col li {
    margin-bottom: .5rem;
}

.footer-col a {
    color: rgba(255, 255, 255, .62);
    display: inline-flex;
    align-items: center;
    position: relative;
    transition: color .2s ease, padding-left .2s ease;
}

.footer-col a:hover {
    color: #fff;
    padding-left: .4rem;
}

.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: .8rem;
    padding-top: 1.5rem;
    color: rgba(255, 255, 255, .4);
    font-size: .78rem;
}

.back-top {
    border: 0;
    background: rgba(255, 255, 255, .06);
    color: rgba(255, 255, 255, .7);
    border-radius: 999px;
    padding: .35rem .9rem;
    font-size: .78rem;
    cursor: pointer;
    transition: background .2s ease, color .2s ease;
}

.back-top:hover {
    background: var(--green);
    color: #fff;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: .001s !important;
        animation-iteration-count: 1 !important;
        transition-duration: .001s !important;
        scroll-behavior: auto !important;
    }
}

@media (max-width: 900px) {
    .main-nav {
        display: none;
    }

    .menu-btn {
        display: inline-flex;
    }

    .search-box {
        width: min(52vw, 380px);
    }
}

@media (max-width: 640px) {
    .header-top {
        gap: .5rem;
        padding-top: 10px;
        padding-bottom: 10px;
    }

    .site-header.is-scrolled .header-top {
        padding-top: 6px;
        padding-bottom: 6px;
    }

    .search-box {
        width: min(44vw, 230px);
    }

    .search-box input {
        min-width: 0;
    }

    .search-btn {
        font-size: 0 !important;
        width: 34px;
        min-width: 34px !important;
        position: relative;
    }

    .search-btn::after {
        content: "→";
        font-size: 1rem;
        transform: translateX(-1px);
    }

    .brand-name {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .search-box {
        display: none;
    }

    .related-grid {
        gap: 1rem;
    }

    .rel-info {
        padding: 1rem 1.1rem 1.2rem;
    }
}

/* roulang page: category3 */
:root {
    --bg: #F6F5F0;
    --white: #FFFFFF;
    --deep: #132823;
    --pine: #0E6B5C;
    --pine-dark: #0A4F44;
    --ember: #E4572B;
    --sand: #C8A878;
    --ink: #16201D;
    --ink-soft: #5A675F;
    --line: #D8DCD2;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --shadow-soft: 0 1px 2px rgba(20,30,25,0.03), 0 8px 24px rgba(20,30,25,0.04);
    --shadow-hover: 0 2px 4px rgba(20,30,25,0.04), 0 18px 32px rgba(20,30,25,0.08);
  }

  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    background: var(--bg);
    color: var(--ink);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
  }
  img { display: block; max-width: 100%; }
  a { color: inherit; text-decoration: none; }
  button { font-family: inherit; border: none; background: none; cursor: pointer; }
  .container-main { max-width: 1320px; margin: 0 auto; padding-left: 16px; padding-right: 16px; }
  @media (min-width: 1024px) {
    .container-main { padding-left: 32px; padding-right: 32px; }
  }

  /* Header */
  .site-header { position: sticky; top: 0; z-index: 50; background: rgba(246,245,240,0.92); backdrop-filter: blur(10px); border-bottom: 1px solid rgba(216,220,210,0.8); transition: all 0.3s ease; }
  .header-top { display: flex; align-items: center; justify-content: space-between; height: 64px; }
  .logo-wrap { display: flex; align-items: center; gap: 10px; }
  .mini-mark { display: grid; grid-template-columns: repeat(3, 6px); gap: 2px; }
  .mini-mark i { width: 6px; height: 6px; background: var(--pine); display: block; border-radius: 1px; }
  .brand-text { font-size: 20px; font-weight: 900; letter-spacing: -0.02em; color: var(--ink); line-height: 1.2; }
  .brand-text .mark { color: var(--pine); }
  .header-actions { display: flex; align-items: center; gap: 12px; }
  .search-trigger { display: inline-flex; align-items: center; gap: 8px; background: var(--white); border: 1px solid var(--line); border-radius: 999px; padding: 6px 18px; font-size: 13px; color: var(--ink-soft); transition: all 0.2s ease; box-shadow: 0 1px 2px rgba(20,30,25,0.03); }
  .search-trigger:hover { border-color: var(--pine); color: var(--pine); }
  .mobile-menu-btn { display: none; width: 40px; height: 40px; border: 1px solid var(--line); border-radius: 8px; align-items: center; justify-content: center; font-size: 18px; color: var(--ink); background: var(--white); }
  .main-nav { border-top: 1px solid rgba(216,220,210,0.6); }
  .nav-inner { display: flex; align-items: center; justify-content: space-between; height: 46px; }
  .nav-links { display: flex; align-items: center; gap: 8px; list-style: none; }
  .nav-links a { display: block; padding: 6px 18px; font-size: 14px; font-weight: 500; color: var(--ink-soft); border-radius: 4px; transition: color 0.2s ease, background 0.2s ease; position: relative; }
  .nav-links a:hover { color: var(--pine); background: rgba(14,107,92,0.06); }
  .nav-links a.active { color: var(--pine); font-weight: 700; }
  .nav-links a.active::after { content: ''; position: absolute; left: 14px; right: 14px; bottom: -1px; height: 2px; background: var(--pine); border-radius: 2px; }
  .nav-cta { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; color: var(--pine); padding: 4px 12px; border-radius: 4px; transition: all 0.2s ease; }
  .nav-cta:hover { background: rgba(14,107,92,0.08); }
  .nav-cta .arrow { transition: transform 0.2s ease; }
  .nav-cta:hover .arrow { transform: translateX(4px); }

  .site-header.scrolled .header-top { height: 50px; }
  .site-header.scrolled { background: rgba(246,245,240,0.97); box-shadow: 0 4px 16px rgba(20,30,25,0.06); }

  /* Search overlay */
  .search-panel { display: none; position: absolute; top: 110px; left: 50%; transform: translateX(-50%); width: 520px; background: var(--white); border-radius: var(--radius-lg); box-shadow: 0 20px 48px rgba(20,30,25,0.18); border: 1px solid var(--line); padding: 20px; z-index: 60; }
  .search-panel.show { display: block; animation: fadeInUp 0.28s ease; }
  .search-panel input { width: 100%; border: 1px solid var(--line); border-radius: 6px; padding: 10px 14px; font-size: 14px; outline: none; transition: border 0.2s ease; background: var(--bg); }
  .search-panel input:focus { border-color: var(--pine); box-shadow: 0 0 0 3px rgba(14,107,92,0.12); }
  .hot-keywords { display: flex; flex-wrap: wrap; gap: 8px; }
  .hot-keywords a { font-size: 13px; padding: 4px 12px; background: var(--bg); border-radius: 999px; color: var(--ink-soft); border: 1px solid var(--line); transition: all 0.2s ease; }
  .hot-keywords a:hover { color: var(--pine); border-color: var(--pine); background: rgba(14,107,92,0.05); }

  @keyframes fadeInUp {
    from { opacity: 0; transform: translate(-50%, 8px); }
    to { opacity: 1; transform: translate(-50%, 0); }
  }

  @media (max-width: 1024px) {
    .nav-inner { height: auto; flex-wrap: wrap; padding: 6px 0; }
    .nav-links { overflow-x: auto; scrollbar-width: thin; width: 100%; }
    .nav-links a { white-space: nowrap; }
    .nav-cta { display: none; }
    .mobile-menu-btn { display: inline-flex; }
    .search-panel { top: 115px; width: calc(100vw - 40px); left: 50%; }
  }
  @media (max-width: 640px) {
    .header-actions { gap: 8px; }
    .search-trigger span { display: none; }
    .search-trigger { width: 40px; height: 40px; padding: 0; justify-content: center; }
    .brand-text { font-size: 17px; }
  }

  /* Two-level nav adjustments (for this page active) */
  .nav-links a.active { color: var(--pine); font-weight: 700; }
  .nav-links a.active::after { content: ''; position: absolute; left: 14px; right: 14px; bottom: -1px; height: 2px; background: var(--pine); border-radius: 2px; }

  /* Buttons */
  .btn-primary { background: var(--pine); color: #fff; padding: 12px 28px; border-radius: 6px; font-size: 14px; font-weight: 600; display: inline-flex; align-items: center; gap: 8px; transition: all 0.25s ease; box-shadow: 0 2px 8px rgba(14,107,92,0.18); }
  .btn-primary:hover { background: var(--pine-dark); transform: translateY(-2px); box-shadow: 0 6px 16px rgba(14,107,92,0.25); }
  .btn-primary:active { transform: translateY(0); }
  .btn-outline { border: 2px solid var(--pine); color: var(--pine); padding: 10px 24px; border-radius: 6px; font-size: 14px; font-weight: 600; display: inline-flex; align-items: center; gap: 8px; transition: all 0.25s ease; background: transparent; }
  .btn-outline:hover { background: rgba(14,107,92,0.08); transform: translateY(-2px); }
  .btn-outline:active { transform: translateY(0); }
  .btn-ember { background: var(--ember); color: #fff; padding: 10px 26px; border-radius: 6px; font-size: 14px; font-weight: 600; display: inline-flex; align-items: center; gap: 8px; transition: all 0.25s ease; box-shadow: 0 2px 8px rgba(228,87,43,0.16); }
  .btn-ember:hover { background: #c94a22; transform: translateY(-2px); box-shadow: 0 6px 16px rgba(228,87,43,0.24); }
  .btn-ember:active { transform: translateY(0); }

  /* Page banner (category hero) */
  .category-hero { position: relative; background: linear-gradient(135deg, #0a1f1c 0%, var(--deep) 70%, #1e4a3f 100%); padding: 80px 0 68px; overflow: hidden; color: #fff; }
  .category-hero::before { content: ''; position: absolute; inset: 0; background-image: url('/assets/images/backpic/back-2.png'); background-size: cover; background-position: center; opacity: 0.22; }
  .category-hero::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(19,40,35,0.88) 30%, rgba(19,40,35,0.55) 80%, rgba(19,40,35,0.3)); }
  .category-hero-content { position: relative; z-index: 2; }
  .cat-tag { display: inline-block; background: var(--ember); color: #fff; font-size: 13px; font-weight: 600; padding: 4px 14px; border-radius: 4px; letter-spacing: 0.06em; margin-bottom: 16px; }
  .category-hero h1 { font-size: clamp(36px, 5vw, 60px); font-weight: 900; line-height: 1.2; color: #fff; margin-bottom: 16px; letter-spacing: -0.02em; }
  .category-hero h1 .highlight { color: #F0C97E; position: relative; }
  .category-hero p.sub-title { font-size: 16px; font-weight: 400; max-width: 56ch; margin-bottom: 28px; color: rgba(255,255,255,0.82); line-height: 1.85; text-align: left; }
  .category-hero p { text-align: left; }

  /* Breadcrumb */
  .breadcrumb { position: relative; z-index: 2; display: flex; align-items: center; gap: 8px; padding-top: 22px; font-size: 13px; }
  .breadcrumb a { color: rgba(255,255,255,0.7); transition: color 0.2s ease; }
  .breadcrumb a:hover { color: #fff; }
  .breadcrumb .sep { color: rgba(255,255,255,0.5); }

  /* Meta bar */
  .meta-bar { position: relative; z-index: 2; margin-top: 18px; display: flex; gap: 20px; color: rgba(255,255,255,0.7); font-size: 13px; flex-wrap: wrap; }

  /* Section base */
  .section { padding: 64px 0; }
  .section-alt { padding: 56px 0; }
  @media (max-width: 768px) {
    .category-hero { padding: 56px 0 52px; }
    .section { padding: 44px 0; }
  }
  .section-head { margin-bottom: 40px; }
  .section-kicker { display: flex; align-items: center; gap: 10px; font-size: 13px; font-weight: 700; color: var(--ember); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 10px; }
  .section-kicker::before { display: inline-block; width: 10px; height: 2px; background: var(--ember); content: ''; }
  .section-title { font-size: clamp(28px, 4vw, 40px); font-weight: 800; color: var(--ink); line-height: 1.3; letter-spacing: -0.015em; }

  /* Divider block */
  .pane-inner { display: block; }

  /* 图文两段式浏览：上方推荐卡组 */
  .recommend-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
  @media (max-width: 1024px) {
    .recommend-grid { grid-template-columns: repeat(2, 1fr); }
  }
  @media (max-width: 640px) {
    .recommend-grid { grid-template-columns: 1fr; }
  }
  .rec-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-soft); display: flex; flex-direction: column; transition: transform 0.3s ease, box-shadow 0.3s ease; position: relative; }
  .rec-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
  .rec-card-img { position: relative; overflow: hidden; aspect-ratio: 16 / 10; }
  .rec-card-img img { width: 100%; object-fit: cover; }
  .rec-card-img::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, rgba(19,40,35,0.4)); }
  .rec-card-img .cat-badge { position: absolute; top: 14px; left: 14px; z-index: 2; background: rgba(19,40,35,0.75); border: 1px solid rgba(255,255,255,0.32); color: #fff; font-size: 12px; font-weight: 600; padding: 4px 14px; border-radius: 999px; backdrop-filter: blur(4px); }
  .rec-content { padding: 22px 24px 26px; display: flex; flex-direction: column; flex: 1; }
  .rec-content .rec-title { font-size: 20px; font-weight: 700; color: var(--ink); line-height: 1.4; margin-bottom: 10px; transition: color 0.2s ease; }
  .rec-card:hover .rec-title { color: var(--pine); }
  .rec-summary { font-size: 14px; color: var(--ink-soft); line-height: 1.7; flex: 1; }
  .rec-meta { display: flex; align-items: center; gap: 10px; margin-top: 18px; padding-top: 16px; border-top: 1px solid rgba(216,220,210,0.7); font-size: 12px; color: var(--ink-soft); }

  /* 下方细线列表 */
  .info-lines { border-top: 1px solid var(--line); }
  .line-item { display: flex; align-items: baseline; gap: 24px; padding: 18px 4px; border-bottom: 1px solid var(--line); transition: background 0.2s ease; flex-wrap: wrap; }
  .line-item:hover { background: rgba(255,255,255,0.6); }
  .line-date { width: 92px; flex-shrink: 0; font-size: 13px; font-weight: 600; color: var(--pine); text-align: right; }
  .line-cat { width: 120px; flex-shrink: 0; }
  .line-cat a { font-size: 12px; background: rgba(14,107,92,0.08); color: var(--pine); border-radius: 4px; padding: 2px 10px; transition: all 0.2s ease; }
  .line-cat a:hover { background: var(--pine); color: #fff; }
  .line-title { flex: 1; min-width: 260px; }
  .line-title a { font-size: 15px; font-weight: 500; color: var(--ink); transition: color 0.2s ease; display: inline-block; }
  .line-title a:hover { color: var(--pine); }
  .line-arrow { color: var(--line); font-size: 14px; opacity: 0.7; transition: all 0.2s ease; }
  .line-item:hover .line-arrow { color: var(--pine); opacity: 1; transform: translateX(4px); display: inline-block; }

  @media (max-width: 640px) {
    .line-item { gap: 8px; }
    .line-date { width: 100%; text-align: left; font-size: 12px; }
    .line-cat { width: 100%; }
    .line-arrow { display: none; }
  }

  /* 深色区块 */
  .dark-section { background: var(--deep); color: #fff; position: relative; }
  .dark-section .section-title { color: #fff; }
  .dark-section .section-summary { color: rgba(255,255,255,0.6); }

  /* 特性卡（三点特性） */
  .feature-panel { display: grid; gap: 40px; align-items: center; padding: 28px 0; }
  @media (min-width: 1024px) {
    .feature-panel { grid-template-columns: 1fr 1fr; gap: 80px; }
  }
  .feature-text-list { list-style: none; margin-top: 18px; }
  .feature-text-list li { display: flex; gap: 12px; padding: 8px 0; color: rgba(255,255,255,0.72); font-size: 15px; line-height: 1.75; }
  .feature-text-list li strong { color: #fff; font-weight: 700; }
  .list-mark { width: 4px; height: 4px; background: #F0C97E; margin-top: 12px; border-radius: 50%; flex-shrink: 0; }

  /* number big style */
  .num-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
  @media (min-width: 768px) {
    .num-grid { grid-template-columns: 1fr 1fr 1fr 1fr; }
  }
  .num-cell { border-top: 3px solid var(--pine); padding-top: 16px; }
  .num-holder { font-size: 44px; font-weight: 800; line-height: 1.1; color: var(--pine); }
  .dark-section .num-holder { color: #F0C97E; }
  .light-number { color: #F0C97E; }

  /* 场景三卡 */
  .scenario-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 24px; }
  @media (max-width: 1024px) { .scenario-grid { grid-template-columns: 1fr; } }
  @media (max-width: 640px) { .scenario-grid { gap: 20px; } }
  .scenario-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-md); padding: 32px 28px; transition: all 0.3s ease; box-shadow: var(--shadow-soft); display: block; position: relative; }
  .scenario-card:hover { border-color: var(--pine); box-shadow: var(--shadow-hover); transform: translateY(-4px); }
  .scenario-num { font-size: 64px; font-weight: 900; line-height: 1; letter-spacing: -0.02em; opacity: 0.08; position: absolute; top: 12px; right: 18px; }
  .scenario-card .icon-circle { display: flex; width: 56px; height: 56px; margin-bottom: 20px; align-items: center; justify-content: center; border-radius: 12px; background: rgba(14,107,92,0.1); color: var(--pine); font-size: 22px; }
  .scenario-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 12px; color: var(--ink); }
  .scenario-card p { font-size: 14px; color: var(--ink-soft); line-height: 1.7; margin-bottom: 16px; }
  .scenario-link { color: var(--pine); font-size: 14px; font-weight: 600; display: inline-flex; align-items: center; gap: 6px; }
  .scenario-card:hover .scenario-link .fa { transform: translateX(4px); }
  .scenario-link .fa { transition: transform 0.2s ease; }

  /* 数据卡条 */
  .data-strip { display: flex; flex-wrap: wrap; gap: 12px 30px; justify-content: space-between; align-items: center; }
  .data-block { text-align: left; border-left: 2px solid var(--sand); padding-left: 16px; padding-top: 6px; padding-bottom: 6px; min-width: 150px; }
  .data-block .number { font-size: 34px; font-weight: 800; font-family: "DIN Alternate", "Arial Narrow", sans-serif; line-height: 1.1; color: var(--pine); display: block; font-feature-settings: "lnum"; }
  .data-block .label { font-size: 13px; color: var(--ink-soft); margin-top: 5px; }

  /* FAQ */
  .faq-wrap { display: flex; gap: 56px; }
  @media (min-width: 1024px) {
    .faq-wrap { grid-template-columns: 380px 1fr; }
  }
  .faq-wrap-static { display: grid; grid-template-columns: 380px 1fr; gap: 60px; }
  @media (max-width: 1024px) { .faq-wrap-static { grid-template-columns: 1fr; gap: 28px; } }
  .faq-list { list-style: none; }
  .faq-item { border-bottom: 1px solid var(--line); transition: background 0.2s ease; }
  .faq-question { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 22px 4px; width: 100%; text-align: left; font-size: 16px; font-weight: 600; color: var(--ink); transition: color 0.2s ease; cursor: pointer; background: transparent; border: none; }
  .faq-question:hover { color: var(--pine); }
  .faq-question .fa { font-size: 18px; color: var(--sand); transition: transform 0.3s ease, color 0.2s ease; flex-shrink: 0; }
  .faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; padding: 0 16px 0 4px; }
  .faq-answer-inner { padding-bottom: 18px; font-size: 15px; color: var(--ink-soft); line-height: 1.8; }
  .faq-item.open .faq-question { color: var(--pine); }
  .faq-item.open .faq-question .fa { transform: rotate(45deg); color: var(--pine); }
  .faq-item.open .faq-answer { max-height: 400px; }

  /* CTA */
  .cta-strip { background: linear-gradient(135deg, var(--pine) 0%, #0b7a66 50%, #1a8e72 100%); padding: 12px; border-radius: 16px; }
  .cta-wrap { background: linear-gradient(90deg, var(--deep), #1b453a); border-radius: 12px; padding: 56px 40px; display: flex; flex-direction: column; align-items: flex-start; position: relative; overflow: hidden; }
  @media (min-width: 768px) { .cta-wrap { flex-direction: row; justify-content: space-between; align-items: center; } }
  .cta-wrap::before { content: ''; position: absolute; width: 340px; right: -80px; top: -40px; height: 250px; background: rgba(228,87,43,0.18); border-radius: 50%; filter: blur(60px); z-index: 1; }
  .cta-inner { position: relative; z-index: 3; }
  .cta-title { color: #fff; font-size: clamp(20px, 3vw, 28px); font-weight: 700; margin-bottom: 12px; }
  .cta-caption { color: rgba(255,255,255,0.7); font-size: 14px; line-height: 1.7; }
  .cta-inner + .btn-wrap { position: relative; z-index: 2; }

  /* footer */
  .site-footer { background: var(--deep); color: rgba(255,255,255,0.65); position: relative; font-size: 14px; }
  .site-footer .wrapper { max-width: 1320px; margin: 0 auto; padding: 64px 16px 24px; }
  @media (min-width: 1024px) { .site-footer .wrapper { padding-left: 32px; padding-right: 32px; } }
  .site-footer a { transition: color 0.2s ease, opacity 0.2s ease; }
  .site-footer a:hover { color: #fff; text-decoration: underline; text-underline-offset: 4px; }
  .footer-top { display: grid; grid-template-columns: 1.4fr 2fr; gap: 48px; margin-bottom: 64px; }
  @media (max-width: 900px) { .footer-top { grid-template-columns: 1fr; } }
  .footer-brand { display: flex; align-items: center; gap: 8px; font-size: 18px; font-weight: 800; color: #fff; margin-bottom: 12px; line-height: 1.3; }
  .footer-about { max-width: 34ch; font-size: 14px; line-height: 1.8; color: rgba(255,255,255,0.5); }
  .footer-link-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
  @media (max-width: 640px) { .footer-link-cols { grid-template-columns: repeat(2, 1fr); gap: 24px 16px; } }
  .footer-col h4 { color: #fff; font-size: 14px; margin-bottom: 16px; letter-spacing: 0.02em; }
  .footer-col ul { list-style: none; }
  .footer-col li { margin-bottom: 8px; }
  .footer-col li a { color: rgba(255,255,255,0.5); font-size: 13px; line-height: 1.6; }
  .footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); padding-top: 20px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; font-size: 13px; color: rgba(255,255,255,0.4); }
  .back-top { background: transparent; border: 1px solid rgba(255,255,255,0.2); color: rgba(255,255,255,0.7); border-radius: 4px; padding: 6px 14px; font-size: 13px; transition: all 0.2s ease; cursor: pointer; }
  .back-top:hover { background: rgba(255,255,255,0.1); color: #fff; border-color: rgba(255,255,255,0.45); }

  /* scroll reveal */
  .reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s cubic-bezier(0.2, 0.6, 0.2, 1), transform 0.6s cubic-bezier(0.2, 0.6, 0.2, 1); }
  .reveal.visible { opacity: 1; transform: none; }

  @media (prefers-reduced-motion: reduce) {
    * { animation: none !important; transition: none !important; }
    .reveal { opacity: 1; transform: none; }
  }

  /* used additional utilities */
  .body-bg-line { background-image: linear-gradient(to right, rgba(14, 107, 92, 0.04) 1px, transparent 1px), linear-gradient(to bottom, rgba(14, 107, 92, 0.04) 1px, transparent 1px); background-size: 48px 48px; }

/* roulang page: category2 */
:root {
        --bg: #F6F5F0;
        --card: #FFFFFF;
        --dark: #132823;
        --primary: #0E6B5C;
        --primary-hover: #0A4F44;
        --accent: #E4572B;
        --gold: #C8A878;
        --text: #16201D;
        --muted: #5A675F;
        --border: #D8DCD2;
        --radius-sm: 4px;
        --radius: 8px;
        --shadow-sm: 0 1px 2px rgba(20,30,25,0.03), 0 8px 24px rgba(20,30,25,0.04);
        --shadow-md: 0 2px 4px rgba(20,30,25,0.04), 0 18px 32px rgba(20,30,25,0.08);
    }

    *,
    *::before,
    *::after {
        box-sizing: border-box;
    }

    html {
        scroll-behavior: smooth;
    }

    body {
        margin: 0;
        background: var(--bg);
        font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        color: var(--text);
        font-size: 16px;
        line-height: 1.8;
        -webkit-font-smoothing: antialiased;
        overflow-x: hidden;
    }

    img {
        max-width: 100%;
        display: block;
    }

    a {
        color: inherit;
        text-decoration: none;
        transition: color .2s ease, background-color .2s ease, border-color .2s ease, transform .2s ease;
    }

    button,
    input {
        font: inherit;
    }

    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    summary:focus-visible {
        outline: 2px solid var(--accent);
        outline-offset: 2px;
    }

    ul,
    ol {
        list-style: none;
        margin: 0;
        padding: 0;
    }

    h1,
    h2,
    h3,
    p {
        margin-top: 0;
    }

    h1,
    h2,
    h3 {
        line-height: 1.22;
        color: var(--dark);
    }

    .wrapper {
        width: 100%;
        max-width: 1320px;
        margin-inline: auto;
        padding-inline: 16px;
    }

    @media (min-width: 1024px) {
        .wrapper {
            padding-inline: 32px;
        }
    }

    .section-tag {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 5px 14px;
        border: 1px solid rgba(14, 107, 92, 0.28);
        background: rgba(14, 107, 92, 0.07);
        color: var(--primary);
        border-radius: 999px;
        font-size: 13px;
        font-weight: 700;
        letter-spacing: .02em;
    }

    .h2-title {
        font-size: clamp(1.75rem, 4vw, 2.75rem);
        font-weight: 800;
        letter-spacing: -0.02em;
        margin-bottom: 16px;
        color: var(--dark);
    }

    .h3-title {
        font-size: 1.22rem;
        font-weight: 700;
        color: var(--dark);
        margin-bottom: 8px;
    }

    p {
        color: var(--muted);
    }

    /* header */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 60;
        background: rgba(246, 245, 240, 0.94);
        backdrop-filter: blur(18px);
        -webkit-backdrop-filter: blur(18px);
        border-bottom: 1px solid rgba(216, 220, 210, 0.76);
        transition: box-shadow .25s ease;
    }

    .site-header.is-scrolled {
        box-shadow: 0 8px 20px rgba(19, 40, 35, 0.06);
    }

    .header-top {
        border-bottom: 1px solid rgba(216, 220, 210, 0.55);
    }

    .header-top-inner {
        min-height: 64px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
    }

    .brand {
        display: inline-flex;
        align-items: center;
        gap: 12px;
        color: var(--dark);
        flex-shrink: 0;
    }

    .brand-mark {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 2px;
        width: 34px;
        height: 34px;
        padding: 5px;
        background: var(--dark);
        border-radius: 7px;
        flex-shrink: 0;
    }

    .brand-mark i {
        background: #DCE4D9;
        border-radius: 1px;
        transition: background .2s ease;
    }

    .brand-mark i:nth-child(5) {
        background: var(--accent);
    }

    .brand:hover .brand-mark i {
        background: #fff;
    }

    .brand:hover .brand-mark i:nth-child(5) {
        background: var(--accent);
    }

    .brand-name {
        font-size: 1.25rem;
        font-weight: 800;
        letter-spacing: -0.01em;
        white-space: nowrap;
    }

    .header-actions {
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .search-btn,
    .menu-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        min-height: 38px;
        padding: 6px 14px;
        border: 1px solid var(--border);
        background: var(--card);
        color: var(--text);
        border-radius: 6px;
        font-size: 14px;
        font-weight: 600;
        cursor: pointer;
        transition: background .2s ease, color .2s ease, border-color .2s ease;
    }

    .search-btn:hover,
    .menu-toggle:hover {
        border-color: var(--primary);
        color: var(--primary);
        background: #fff;
    }

    .menu-toggle {
        display: flex;
        width: 42px;
        padding: 0;
        flex-direction: column;
        gap: 5px;
    }

    .menu-toggle span {
        width: 18px;
        height: 2px;
        background: var(--dark);
        border-radius: 2px;
        transition: background .2s ease;
    }

    .menu-toggle:hover span {
        background: var(--primary);
    }

    .search-panel {
        display: none;
        border-bottom: 1px solid var(--border);
        background: #FBFAF7;
    }

    .search-panel.is-open {
        display: block;
    }

    .search-panel-inner {
        padding-top: 18px;
        padding-bottom: 18px;
    }

    .search-panel-inner form {
        display: flex;
        gap: 10px;
    }

    .search-panel-inner input {
        flex: 1;
        min-width: 0;
        border: 1px solid var(--border);
        background: #fff;
        border-radius: 6px;
        height: 46px;
        padding: 0 16px;
        color: var(--text);
        outline: none;
        transition: border-color .2s ease;
    }

    .search-panel-inner input:focus {
        border-color: var(--primary);
    }

    .hot-words {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 8px;
        margin-top: 12px;
        font-size: 13px;
        color: var(--muted);
    }

    .hot-words a {
        display: inline-block;
        border: 1px solid var(--border);
        background: #fff;
        border-radius: 999px;
        color: var(--text);
        padding: 3px 12px;
        font-size: 13px;
    }

    .hot-words a:hover {
        border-color: var(--primary);
        color: var(--primary);
        background: rgba(14, 107, 92, 0.06);
    }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        border: 1px solid transparent;
        padding: 12px 24px;
        min-height: 46px;
        border-radius: 6px;
        font-weight: 600;
        cursor: pointer;
        text-decoration: none;
        line-height: 1;
        transition: all .24s ease;
        font-size: 15px;
    }

    .btn-primary {
        background-color: var(--primary);
        border-color: var(--primary);
        color: #fff;
        box-shadow: 0 4px 16px rgba(14, 107, 92, 0.22);
    }

    .btn-primary:hover {
        background-color: var(--primary-hover);
        border-color: var(--primary-hover);
        transform: translateY(-2px);
        box-shadow: 0 8px 22px rgba(14, 107, 92, 0.26);
    }

    .btn-primary:active {
        transform: translateY(0);
    }

    .btn-glass {
        background: rgba(255, 255, 255, 0.14);
        border-color: rgba(255, 255, 255, 0.72);
        color: #fff;
        backdrop-filter: blur(8px);
        -webkit-backdrop-filter: blur(8px);
    }

    .btn-glass:hover {
        background: rgba(255, 255, 255, 0.24);
        border-color: #fff;
        transform: translateY(-2px);
    }

    .btn-outline-dark {
        background: transparent;
        border-color: var(--dark);
        color: var(--dark);
    }

    .btn-outline-dark:hover {
        background: var(--dark);
        color: #fff;
        transform: translateY(-2px);
    }

    .main-nav {
        display: none;
    }

    .mobile-nav {
        display: none;
    }

    @media (min-width: 1024px) {
        .main-nav {
            display: block;
        }

        .menu-toggle {
            display: none;
        }
    }

    .nav-inner {
        min-height: 46px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 20px;
    }

    .nav-links {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        margin: 0;
        padding: 0;
    }

    .nav-links a {
        display: inline-block;
        position: relative;
        color: var(--text);
        padding: 9px 12px;
        font-weight: 600;
        font-size: 15px;
        transition: color .2s ease;
        border-radius: 6px;
    }

    .nav-links a::after {
        content: "";
        position: absolute;
        left: 12px;
        right: 12px;
        bottom: 5px;
        height: 2px;
        border-radius: 2px;
        background: transparent;
        transition: background .2s ease;
    }

    .nav-links a:hover {
        color: var(--primary);
        background: rgba(14, 107, 92, 0.05);
    }

    .nav-links a.active {
        color: var(--primary);
        background: rgba(14, 107, 92, 0.07);
    }

    .nav-links a.active::after {
        background: var(--primary);
    }

    .nav-cta {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        border: 1px solid var(--primary);
        color: var(--primary);
        font-weight: 700;
        font-size: 14px;
        padding: 7px 16px;
        border-radius: 6px;
        white-space: nowrap;
        background: rgba(255, 255, 255, 0.55);
    }

    .nav-cta:hover {
        background: var(--primary);
        color: #fff;
    }

    .nav-cta .arrow {
        display: inline-block;
        transition: transform .2s ease;
    }

    .nav-cta:hover .arrow {
        transform: translateX(4px);
    }

    .mobile-nav {
        border-bottom: 1px solid var(--border);
        background: #FBFAF7;
        padding: 18px 0 20px;
    }

    .mobile-nav ul {
        display: grid;
        gap: 4px;
    }

    .mobile-nav a {
        display: block;
        padding: 12px 14px;
        border-radius: 6px;
        background: #fff;
        border: 1px solid var(--border);
        color: var(--text);
        font-weight: 600;
    }

    .mobile-nav a:hover,
    .mobile-nav a.active {
        border-color: var(--primary);
        background: rgba(14, 107, 92, 0.07);
        color: var(--primary);
    }

    /* hero */
    .category-hero {
        position: relative;
        overflow: hidden;
        background-color: var(--dark);
        background-image: linear-gradient(100deg, rgba(19, 40, 35, 0.96) 0%, rgba(19, 40, 35, 0.72) 48%, rgba(19, 40, 35, 0.78) 100%), url('/assets/images/backpic/back-2.png');
        background-position: center;
        background-size: cover;
        color: #fff;
        padding-top: 48px;
        padding-bottom: 76px;
    }

    .category-hero::after {
        content: "";
        position: absolute;
        inset: 0;
        pointer-events: none;
        background: linear-gradient(180deg, rgba(19,40,35,0) 0%, rgba(19,40,35,0.18) 100%);
    }

    .category-hero .wrapper {
        position: relative;
        z-index: 2;
    }

    .breadcrumb {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 8px;
        font-size: 14px;
        color: rgba(255, 255, 255, 0.72);
        margin-bottom: 44px;
    }

    .breadcrumb a {
        color: rgba(255, 255, 255, 0.78);
        transition: color .2s ease;
    }

    .breadcrumb a:hover {
        color: #fff;
    }

    .breadcrumb span {
        color: rgba(255, 255, 255, 0.5);
    }

    .cat-hero-grid {
        display: grid;
        gap: 32px;
        align-items: center;
    }

    .cat-hero-copy {
        max-width: 720px;
    }

    .hero-kicker {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        border: 1px solid rgba(255,255,255,0.38);
        border-radius: 999px;
        padding: 6px 16px;
        font-size: 13px;
        font-weight: 700;
        color: rgba(255,255,255,0.86);
        background: rgba(255,255,255,0.08);
        margin-bottom: 22px;
    }

    .page-h1 {
        font-size: clamp(2.4rem, 5vw, 4.4rem);
        line-height: 1.12;
        font-weight: 900;
        letter-spacing: -0.03em;
        color: #fff;
        margin: 0 0 20px;
    }

    .page-h1 .h1-accent {
        display: block;
        color: #A7D6C2;
    }

    .hero-lead {
        color: rgba(255,255,255,0.88);
        font-size: 17px;
        max-width: 660px;
        line-height: 1.9;
        margin-bottom: 32px;
    }

    .hero-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 14px;
    }

    .hero-panel {
        border: 1px solid rgba(255, 255, 255, 0.3);
        background: rgba(255, 255, 255, 0.1);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        border-radius: 10px;
        padding: 24px;
        color: #fff;
        box-shadow: 0 16px 40px rgba(10, 20, 18, 0.24);
    }

    .hero-panel-title {
        font-size: 14px;
        font-weight: 700;
        letter-spacing: .08em;
        text-transform: uppercase;
        color: rgba(255,255,255,0.72);
        border-bottom: 1px solid rgba(255,255,255,0.2);
        padding-bottom: 12px;
        margin-bottom: 8px;
    }

    .hero-key-list li {
        display: flex;
        justify-content: space-between;
        gap: 16px;
        padding: 12px 0;
        border-bottom: 1px solid rgba(255,255,255,0.14);
        font-size: 14px;
    }

    .hero-key-list li:last-child {
        border-bottom: 0;
    }

    .hero-key-list strong {
        color: #fff;
        font-weight: 700;
        text-align: right;
    }

    .hero-key-list span {
        color: rgba(255,255,255,0.78);
    }

    @media (min-width: 1024px) {
        .cat-hero-grid {
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
        }

        .category-hero {
            padding-top: 56px;
            padding-bottom: 88px;
        }
    }

    @media (min-width: 1280px) {
        .cat-hero-grid {
            grid-template-columns: 1.15fr 0.85fr;
        }
    }

    /* intro */
    .intro-section {
        padding-top: 72px;
        padding-bottom: 64px;
    }

    .intro-grid {
        display: grid;
        gap: 32px;
    }

    .intro-title-col {
        position: relative;
    }

    .intro-title-col::before {
        content: "";
        display: block;
        width: 42px;
        height: 5px;
        background: var(--accent);
        border-radius: 3px;
        margin-bottom: 22px;
    }

    .intro-body p {
        font-size: 17px;
        line-height: 2;
        margin-bottom: 18px;
        max-width: 72ch;
    }

    .intro-body p strong {
        color: var(--primary);
        font-weight: 700;
    }

    .intro-body .intro-list {
        margin-top: 20px;
    }

    .intro-body .intro-list li {
        position: relative;
        padding-left: 24px;
        color: var(--text);
        margin-bottom: 10px;
        font-size: 16px;
    }

    .intro-body .intro-list li::before {
        content: "";
        position: absolute;
        left: 4px;
        top: 0.82em;
        width: 8px;
        height: 8px;
        border-radius: 2px;
        background: var(--primary);
        transform: rotate(45deg);
    }

    @media (min-width: 1024px) {
        .intro-grid {
            grid-template-columns: 0.85fr 1.15fr;
            gap: 72px;
            align-items: start;
        }
    }

    /* topic cards */
    .topics-section {
        background: #ECEBE4;
        padding-top: 64px;
        padding-bottom: 80px;
    }

    .topics-head {
        display: flex;
        flex-direction: column;
        gap: 16px;
        margin-bottom: 36px;
    }

    .topics-head p {
        max-width: 640px;
        font-size: 16px;
        margin-bottom: 0;
    }

    .topic-grid {
        display: grid;
        gap: 24px;
        grid-template-columns: 1fr;
    }

    .topic-card {
        display: flex;
        flex-direction: column;
        background: var(--card);
        border: 1px solid rgba(216, 220, 210, 0.85);
        border-radius: 10px;
        overflow: hidden;
        box-shadow: var(--shadow-sm);
        transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
    }

    .topic-card:hover {
        box-shadow: var(--shadow-md);
        transform: translateY(-3px);
        border-color: rgba(14, 107, 92, 0.36);
    }

    .topic-media {
        position: relative;
        aspect-ratio: 16 / 9;
        overflow: hidden;
        background: var(--dark);
    }

    .topic-media img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform .45s ease;
    }

    .topic-card:hover .topic-media img {
        transform: scale(1.03);
    }

    .topic-badge {
        position: absolute;
        left: 16px;
        top: 16px;
        z-index: 2;
        display: inline-flex;
        align-items: center;
        min-height: 28px;
        padding: 0 12px;
        border-radius: 999px;
        background: rgba(19, 40, 35, 0.82);
        border: 1px solid rgba(255,255,255,0.4);
        color: #fff;
        font-size: 13px;
        font-weight: 700;
        backdrop-filter: blur(8px);
    }

    .topic-body {
        flex: 1;
        display: flex;
        flex-direction: column;
        padding: 24px;
    }

    .topic-body .h3-title {
        margin-bottom: 10px;
    }

    .topic-body p {
        color: var(--muted);
        margin-bottom: 18px;
        line-height: 1.85;
    }

    .topic-more {
        margin-top: auto;
        display: inline-flex;
        align-items: center;
        gap: 8px;
        width: fit-content;
        color: var(--primary);
        font-weight: 700;
        font-size: 14px;
    }

    .topic-more::after {
        content: "→";
        transition: transform .2s ease;
    }

    .topic-more:hover::after {
        transform: translateX(4px);
    }

    @media (min-width: 640px) {
        .topic-grid {
            grid-template-columns: repeat(12, 1fr);
        }

        .topic-card.span-7 {
            grid-column: span 7;
        }

        .topic-card.span-5 {
            grid-column: span 5;
        }
    }

    @media (min-width: 768px) {
        .topics-head {
            flex-direction: row;
            justify-content: space-between;
            align-items: end;
        }

        .topics-head p {
            text-align: left;
        }

        .topics-head .section-head-left {
            max-width: 460px;
        }
    }

    /* scene */
    .scene-section {
        padding-top: 74px;
        padding-bottom: 64px;
    }

    .scene-grid {
        display: grid;
        gap: 40px;
    }

    .scene-side {
        max-width: 440px;
    }

    .scene-side p {
        margin-bottom: 18px;
    }

    .scene-side .btn {
        margin-top: 10px;
    }

    .scene-items {
        border-top: 2px solid var(--dark);
    }

    .scene-item {
        display: grid;
        grid-template-columns: 44px 1fr;
        gap: 20px;
        padding: 24px 0;
        border-bottom: 1px solid var(--border);
        transition: background .2s ease;
        padding-left: 4px;
        padding-right: 4px;
    }

    .scene-item:hover {
        background: rgba(14, 107, 92, 0.035);
        padding-left: 14px;
    }

    .scene-index {
        font-size: 16px;
        font-weight: 800;
        color: var(--accent);
        line-height: 1.6;
        font-family: "DIN Alternate", "Arial Narrow", sans-serif;
    }

    .scene-item-text h3 {
        font-size: 1.2rem;
        font-weight: 800;
        color: var(--dark);
        margin-bottom: 8px;
    }

    .scene-item-text p {
        color: var(--muted);
        margin-bottom: 0;
        max-width: 52ch;
    }

    @media (min-width: 1024px) {
        .scene-grid {
            grid-template-columns: 0.85fr 1.15fr;
            gap: 80px;
            align-items: start;
        }

        .scene-side {
            position: sticky;
            top: 120px;
        }
    }

    /* steps */
    .steps-section {
        background: var(--card);
        padding-top: 64px;
        padding-bottom: 72px;
        border-top: 1px solid var(--border);
        border-bottom: 1px solid var(--border);
    }

    .steps-head {
        text-align: left;
        margin-bottom: 36px;
    }

    .step-grid {
        display: grid;
        gap: 20px;
        grid-template-columns: 1fr;
    }

    .step-card {
        position: relative;
        padding: 24px 22px;
        background: #FBFBF8;
        border: 1px solid var(--border);
        border-radius: 8px;
        transition: border-color .2s ease, background .2s ease, transform .2s ease;
    }

    .step-card:hover {
        border-color: var(--primary);
        background: rgba(14, 107, 92, 0.035);
        transform: translateY(-3px);
    }

    .step-num {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-width: 34px;
        height: 30px;
        background: var(--dark);
        color: #fff;
        border-radius: 6px;
        font-weight: 800;
        font-size: 14px;
        margin-bottom: 16px;
        font-family: "DIN Alternate", "Arial Narrow", sans-serif;
    }

    .step-card h3 {
        font-size: 1.08rem;
        font-weight: 800;
        margin-bottom: 8px;
    }

    .step-card p {
        color: var(--muted);
        font-size: 15px;
        margin-bottom: 0;
    }

    @media (min-width: 640px) {
        .step-grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }

    @media (min-width: 1024px) {
        .step-grid {
            grid-template-columns: repeat(4, 1fr);
        }
    }

    /* dark tips */
    .tips-section {
        position: relative;
        background-color: var(--dark);
        background-image: linear-gradient(120deg, rgba(19,40,35,0.96) 0%, rgba(19,40,35,0.82) 60%, rgba(19,40,35,0.9) 100%), url('/assets/images/backpic/back-3.png');
        background-size: cover;
        background-position: center;
        color: #fff;
        padding-top: 76px;
        padding-bottom: 80px;
    }

    .tips-section .section-tag {
        border-color: rgba(255,255,255,0.34);
        background: rgba(255,255,255,0.08);
        color: #fff;
    }

    .tips-section .h2-title {
        color: #fff;
    }

    .tips-lead {
        color: rgba(255,255,255,0.76);
        max-width: 58ch;
        margin-bottom: 40px;
    }

    .tips-list {
        display: grid;
        gap: 24px;
        grid-template-columns: 1fr;
    }

    .tip-item {
        padding: 26px;
        border: 1px solid rgba(255,255,255,0.18);
        border-radius: 8px;
        background: rgba(255,255,255,0.08);
        backdrop-filter: blur(10px);
    }

    .tip-item:hover {
        background: rgba(255,255,255,0.12);
    }

    .tip-item h3 {
        color: #fff;
        font-weight: 800;
        font-size: 1.12rem;
        display: flex;
        align-items: center;
        gap: 12px;
        margin-bottom: 14px;
    }

    .tip-item h3::before {
        content: "";
        width: 8px;
        height: 8px;
        border-radius: 2px;
        background: var(--accent);
        transform: rotate(45deg);
        flex-shrink: 0;
    }

    .tip-item p {
        color: rgba(255,255,255,0.74);
        margin-bottom: 0;
        line-height: 1.9;
    }

    @media (min-width: 768px) {
        .tips-list {
            grid-template-columns: repeat(3, 1fr);
        }
    }

    /* faq */
    .faq-section {
        padding-top: 72px;
        padding-bottom: 76px;
        background: var(--bg);
    }

    .faq-grid {
        display: grid;
        gap: 40px;
    }

    .faq-side .h2-title {
        margin-bottom: 14px;
    }

    .faq-side p {
        max-width: 42ch;
        margin-bottom: 0;
    }

    .faq-list {
        border-top: 2px solid var(--dark);
    }

    .faq-item {
        border-bottom: 1px solid var(--border);
        background: transparent;
        transition: background .2s ease;
    }

    .faq-item[open] {
        background: rgba(255,255,255,0.5);
    }

    .faq-item summary {
        list-style: none;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 20px;
        cursor: pointer;
        padding: 22px 4px;
        font-weight: 700;
        color: var(--dark);
        font-size: 17px;
        transition: color .2s ease;
        user-select: none;
    }

    .faq-item summary::-webkit-details-marker {
        display: none;
    }

    .faq-item summary:hover {
        color: var(--primary);
    }

    .faq-icon {
        position: relative;
        width: 28px;
        height: 28px;
        border: 1px solid var(--border);
        border-radius: 50%;
        background: #fff;
        flex-shrink: 0;
        transition: border-color .2s ease, background .2s ease;
    }

    .faq-icon::before,
    .faq-icon::after {
        content: "";
        position: absolute;
        top: 50%;
        left: 50%;
        width: 12px;
        height: 2px;
        background: var(--dark);
        border-radius: 2px;
        transform: translate(-50%, -50%);
        transition: background .2s ease;
    }

    .faq-icon::after {
        height: 12px;
        width: 2px;
    }

    .faq-item[open] .faq-icon::after {
        display: none;
    }

    .faq-item[open] .faq-icon {
        background: var(--primary);
        border-color: var(--primary);
    }

    .faq-item[open] .faq-icon::before {
        background: #fff;
    }

    .faq-answer {
        padding: 0 4px 24px;
        color: var(--muted);
        line-height: 1.95;
        max-width: 66ch;
    }

    .faq-answer p {
        margin-bottom: 0;
    }

    @media (min-width: 1024px) {
        .faq-grid {
            grid-template-columns: 0.75fr 1.25fr;
            gap: 88px;
            align-items: start;
        }

        .faq-side {
            position: sticky;
            top: 120px;
        }
    }

    /* cta */
    .cta-section {
        background: #ECEBE4;
        padding-top: 52px;
        padding-bottom: 68px;
    }

    .cta-box {
        background: var(--card);
        border: 1px solid var(--border);
        border-radius: 12px;
        padding: 36px 30px;
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        justify-content: space-between;
        gap: 24px;
        box-shadow: var(--shadow-sm);
    }

    .cta-info h2 {
        margin-bottom: 10px;
        font-size: clamp(1.5rem, 2.8vw, 2.25rem);
        font-weight: 800;
        color: var(--dark);
    }

    .cta-info p {
        margin-bottom: 0;
        max-width: 46ch;
        color: var(--muted);
    }

    .cta-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
    }

    @media (min-width: 900px) {
        .cta-box {
            padding: 48px 52px;
        }
    }

    /* footer */
    .site-footer {
        background: var(--dark);
        color: rgba(255,255,255,0.8);
    }

    .site-footer .wrapper {
        padding-top: 54px;
        padding-bottom: 32px;
    }

    .footer-top {
        display: grid;
        gap: 40px;
        padding-bottom: 42px;
    }

    .footer-brand {
        display: flex;
        align-items: center;
        gap: 10px;
        color: #fff;
        font-size: 1.44rem;
        font-weight: 800;
        letter-spacing: -0.01em;
        margin-bottom: 14px;
    }

    .mini-mark {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 2px;
        width: 26px;
        height: 26px;
        padding: 4px;
        border-radius: 6px;
        background: #fff;
    }

    .mini-mark i {
        background: var(--dark);
    }

    .footer-about {
        max-width: 34ch;
        color: rgba(255,255,255,0.62);
        margin-bottom: 0;
    }

    .footer-link-cols {
        display: grid;
        gap: 32px;
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }

    .footer-col h4 {
        color: #fff;
        font-size: 15px;
        font-weight: 700;
        margin: 0 0 16px;
        letter-spacing: .02em;
    }

    .footer-col ul li {
        margin-bottom: 12px;
    }

    .footer-col a {
        color: rgba(255,255,255,0.68);
        font-size: 14px;
        transition: color .2s ease;
    }

    .footer-col a:hover {
        color: #fff;
    }

    .footer-bottom {
        display: flex;
        flex-direction: column;
        gap: 14px;
        border-top: 1px solid rgba(255,255,255,0.14);
        padding-top: 24px;
        color: rgba(255,255,255,0.6);
        font-size: 13px;
    }

    .back-top {
        align-self: flex-start;
        background: rgba(255,255,255,0.09);
        border: 1px solid rgba(255,255,255,0.18);
        color: #fff;
        border-radius: 6px;
        min-height: 38px;
        padding: 6px 16px;
        font-size: 13px;
        cursor: pointer;
        transition: background .2s ease, border-color .2s ease;
    }

    .back-top:hover {
        background: var(--primary);
        border-color: var(--primary);
    }

    @media (min-width: 900px) {
        .footer-top {
            grid-template-columns: 0.9fr 1.6fr;
            gap: 64px;
        }

        .footer-bottom {
            flex-direction: row;
            justify-content: space-between;
            align-items: center;
        }

        .back-top {
            align-self: auto;
        }
    }

    @media (prefers-reduced-motion: reduce) {
        *,
        *::before,
        *::after {
            animation-duration: 0.01ms !important;
            animation-iteration-count: 1 !important;
            transition-duration: 0.01ms !important;
        }

        html {
            scroll-behavior: auto;
        }

        .topic-card:hover,
        .step-card:hover {
            transform: none;
        }
    }