/* roulang page: index */
:root{
    --ink:#14121A;
    --ink-2:#221E2A;
    --paper:#F6F3ED;
    --paper-2:#EFEAE1;
    --vermilion:#FF5A36;
    --celadon:#0E9F7E;
    --muted:#8B8593;
    --line:#E5E0D6;
    --line-dark:rgba(246,243,237,.14);
    --r-card:14px;
    --r-img:12px;
    --r-input:10px;
    --r-pill:999px;
    --sh-1:0 1px 2px rgba(20,18,26,.06);
    --sh-2:0 10px 32px rgba(20,18,26,.10);
    --ease:cubic-bezier(.2,.8,.2,1);
    --sec-pad:120px;
    --maxw:1200px;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;background:var(--paper);color:var(--ink);
    font-family:"Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
    font-size:16px;line-height:1.85;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  h1,h2,h3,h4{font-family:"Noto Serif SC","Songti SC",serif;margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.25;}
  p{margin:0;}
  a{color:inherit;text-decoration:none;}
  img{max-width:100%;display:block;}
  ul,ol{margin:0;padding:0;list-style:none;}
  button,input,textarea,select{font:inherit;color:inherit;}
  button{background:none;border:none;cursor:pointer;}
  ::selection{background:var(--vermilion);color:var(--paper);}
  :focus-visible{outline:2px solid var(--vermilion);outline-offset:3px;border-radius:6px;}

  .container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px;}
  @media(min-width:768px){.container{padding:0 32px;}}
  @media(min-width:1280px){.container{padding:0 48px;}}

  .sec{padding:64px 0;}
  @media(min-width:768px){.sec{padding:88px 0;}}
  @media(min-width:1024px){.sec{padding:var(--sec-pad) 0;}}
  .sec-tight{padding:48px 0;}
  @media(min-width:1024px){.sec-tight{padding:72px 0;}}
  .bg-paper2{background:var(--paper-2);}
  .sec-dark{background:var(--ink);color:var(--paper);}
  .sec-dark .sec-desc,.sec-dark .muted-txt{color:rgba(246,243,237,.66);}

  /* ---------- 通用排版组件 ---------- */
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;letter-spacing:.06em;color:var(--muted);
    text-transform:none;font-weight:500;
  }
  .eyebrow::before{
    content:"";width:7px;height:7px;background:var(--vermilion);
    display:inline-block;border-radius:1px;transform:rotate(45deg);
  }
  .sec-head{max-width:760px;margin-bottom:36px;}
  .sec-head h2{font-size:clamp(1.7rem,3.2vw,2.6rem);margin:14px 0 12px;}
  .sec-desc{color:var(--muted);font-size:16px;max-width:660px;}
  .sec-head-center{margin-left:auto;margin-right:auto;text-align:center;}
  .sec-head-center .sec-desc{margin-left:auto;margin-right:auto;}
  .num{font-family:Inter,system-ui,sans-serif;font-variant-numeric:tabular-nums;}

  .badge{
    display:inline-flex;align-items:center;gap:6px;
    font-size:12px;line-height:1;padding:6px 12px;border-radius:var(--r-pill);
    background:rgba(14,159,126,.12);color:#0B7A60;font-weight:500;letter-spacing:.02em;
  }
  .badge-verm{background:rgba(255,90,54,.14);color:#C63714;}
  .badge-ghost{background:rgba(246,243,237,.12);color:rgba(246,243,237,.9);}

  .btn{
    display:inline-flex;align-items:center;gap:8px;justify-content:center;
    border-radius:var(--r-pill);padding:14px 26px;font-size:15px;font-weight:500;
    transition:background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease;
    border:1px solid transparent;white-space:nowrap;
  }
  .btn .arw{transition:transform .2s var(--ease);display:inline-block;}
  .btn:hover .arw{transform:translateX(4px);}
  .btn-primary{background:var(--vermilion);color:#FFF7F3;box-shadow:var(--sh-1);}
  .btn-primary:hover{background:#E84A27;box-shadow:var(--sh-2);}
  .btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent;}
  .btn-ghost:hover{background:var(--ink);color:var(--paper);}
  .btn-ghost-light{border-color:rgba(246,243,237,.4);color:var(--paper);}
  .btn-ghost-light:hover{background:var(--paper);color:var(--ink);}
  .btn-sm{padding:10px 20px;font-size:14px;}
  .btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;filter:grayscale(.2);}

  .link-more{
    display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;
    border-bottom:2px solid var(--vermilion);padding-bottom:2px;
    transition:transform .2s var(--ease);
  }
  .link-more:hover{transform:translateX(4px);}
  .sec-dark .link-more{border-bottom-color:var(--vermilion);}

  /* ---------- 悬浮胶囊导航 ---------- */
  .nav-shell{position:sticky;top:16px;z-index:80;padding:14px 16px 0;}
  .pill-nav{
    max-width:var(--maxw);margin:0 auto;height:60px;
    display:flex;align-items:center;gap:14px;
    padding:0 8px 0 18px;border-radius:var(--r-pill);
    background:rgba(246,243,237,.72);
    -webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
    border:1px solid var(--line);
    transition:box-shadow .3s var(--ease),border-color .3s var(--ease);
  }
  .nav-shell.scrolled .pill-nav{box-shadow:var(--sh-2);}
  .brand{display:inline-flex;align-items:center;gap:9px;flex-shrink:0;}
  .brand-mark{
    width:22px;height:22px;border-radius:6px;background:var(--ink);
    position:relative;flex-shrink:0;
  }
  .brand-mark::after{
    content:"";position:absolute;inset:6px;background:var(--vermilion);border-radius:2px;
  }
  .brand-text{font-family:"Noto Serif SC",serif;font-weight:900;font-size:19px;letter-spacing:-.02em;}
  .nav-links{display:none;align-items:center;gap:4px;margin-left:auto;}
  .nav-links a{
    position:relative;display:inline-block;padding:8px 12px;font-size:14px;letter-spacing:.02em;
    color:var(--ink);opacity:.78;transition:opacity .18s ease;
  }
  .nav-links a::after{
    content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
    background:var(--vermilion);transform:scaleX(0);transform-origin:left;
    transition:transform .22s var(--ease);
  }
  .nav-links a:hover{opacity:1;}
  .nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);}
  .nav-links a.active{opacity:1;font-weight:500;}
  .nav-cta{display:none;}
  .nav-toggle{
    margin-left:auto;width:44px;height:44px;border-radius:var(--r-pill);
    display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
    border:1px solid var(--line);background:rgba(255,255,255,.5);
  }
  .nav-toggle span{display:block;width:16px;height:1.6px;background:var(--ink);transition:transform .25s var(--ease),opacity .2s ease;}
  .nav-toggle.open span:nth-child(1){transform:translateY(5.6px) rotate(45deg);}
  .nav-toggle.open span:nth-child(2){opacity:0;}
  .nav-toggle.open span:nth-child(3){transform:translateY(-5.6px) rotate(-45deg);}
  .nav-panel{
    max-width:var(--maxw);margin:0 auto;overflow:hidden;
    max-height:0;opacity:0;border-radius:24px;background:var(--paper);
    border:1px solid transparent;
    transition:max-height .45s var(--ease),opacity .3s ease,margin-top .3s ease,border-color .3s ease;
  }
  .nav-panel.open{max-height:560px;opacity:1;margin-top:10px;border-color:var(--line);box-shadow:var(--sh-2);}
  .nav-panel ul{padding:10px;}
  .nav-panel li a{
    display:flex;align-items:center;justify-content:space-between;
    font-size:16px;line-height:52px;padding:0 16px;border-radius:16px;
    transition:background-color .18s ease;
  }
  .nav-panel li a:hover,.nav-panel li a.active{background:var(--paper-2);}
  .nav-panel .panel-cta{margin:10px;display:flex;}
  .nav-panel .btn{width:100%;}
  @media(min-width:1024px){
    .nav-links{display:flex;}
    .nav-cta{display:inline-flex;}
    .nav-toggle{display:none;}
    .nav-panel{display:none;}
    .pill-nav{gap:18px;padding:0 10px 0 22px;}
  }

  /* ---------- Hero：对比选型 ---------- */
  .hero{position:relative;padding:48px 0 56px;overflow:hidden;}
  .hero-bg{
    position:absolute;inset:0;
    background-image:url('/assets/images/backpic/back-1.jpg');
    background-size:cover;background-position:center;
    opacity:.10;pointer-events:none;
  }
  .hero::after{
    content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
    background:linear-gradient(90deg,transparent,var(--line) 20%,var(--line) 80%,transparent);
  }
  .hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:40px;align-items:center;}
  .hero h1{font-size:clamp(2.3rem,6.4vw,4.4rem);line-height:1.08;letter-spacing:-.02em;margin:16px 0 18px;}
  .hero-sub{font-size:17px;color:var(--ink);font-weight:500;margin-bottom:14px;}
  .hero-desc{color:#4A4550;max-width:560px;font-size:16px;margin-bottom:26px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px;}
  .hero-facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;border-top:1px solid var(--line);padding-top:22px;}
  .hero-facts li{border-left:2px solid var(--vermilion);padding-left:12px;}
  .hero-facts .n{font-size:22px;font-weight:700;display:block;}
  .hero-facts .t{font-size:12px;color:var(--muted);line-height:1.5;}

  .hero-panel{display:flex;flex-direction:column;gap:14px;}
  .pick-card{
    border-radius:var(--r-card);padding:24px 24px 22px;border:1px solid var(--line);
    background:var(--paper);box-shadow:var(--sh-1);position:relative;
    transition:transform .25s var(--ease),box-shadow .25s var(--ease);
  }
  .pick-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
  .pick-card.featured{
    background:var(--ink);color:var(--paper);border-color:var(--vermilion);
    box-shadow:0 14px 40px rgba(20,18,26,.22);
  }
  .pick-card.featured .pick-price small,.pick-card.featured .pick-role{color:rgba(246,243,237,.62);}
  .pick-flag{
    position:absolute;top:-11px;left:24px;background:var(--vermilion);color:#FFF7F3;
    font-size:12px;padding:4px 12px;border-radius:var(--r-pill);font-weight:500;letter-spacing:.02em;
  }
  .pick-top{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:6px;}
  .pick-role{font-family:"Noto Serif SC",serif;font-size:19px;font-weight:800;}
  .pick-price{font-size:30px;font-weight:700;line-height:1;}
  .pick-price small{font-size:13px;font-weight:400;color:var(--muted);margin-left:4px;}
  .pick-list{margin:16px 0 18px;display:grid;gap:8px;}
  .pick-list li{display:flex;align-items:flex-start;gap:9px;font-size:14px;line-height:1.6;}
  .tick{
    width:16px;height:16px;border-radius:50%;flex-shrink:0;margin-top:5px;
    display:inline-flex;align-items:center;justify-content:center;
    background:rgba(14,159,126,.16);color:#0B7A60;font-size:10px;font-weight:700;
  }
  .pick-card.featured .tick{background:rgba(255,90,54,.22);color:#FFB9A5;}
  .pick-card .btn{width:100%;}
  .hero-panel-note{font-size:13px;color:var(--muted);text-align:center;}

  .scanline{
    position:relative;z-index:2;margin-top:42px;height:12px;overflow:hidden;
    background-image:radial-gradient(var(--line) 1px,transparent 1px);
    background-size:10px 10px;opacity:.9;
  }
  .scanline::after{
    content:"";position:absolute;top:0;left:0;width:40%;height:100%;
    background:linear-gradient(90deg,transparent,rgba(255,90,54,.55),transparent);
    animation:scanmove 6s linear infinite;
  }
  @keyframes scanmove{0%{transform:translateX(-100%);}100%{transform:translateX(350%);}}

  @media(min-width:640px){
    .hero-facts{gap:20px;}
  }
  @media(min-width:1024px){
    .hero{padding:72px 0 64px;}
    .hero-grid{grid-template-columns:1.05fr .95fr;gap:56px;}
    .hero-panel{padding-left:8px;}
  }

  /* ---------- 指标条 ---------- */
  .stat-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;border-top:1px solid var(--line);padding-top:32px;}
  .stat-row li .n{font-size:clamp(1.7rem,3.4vw,2.4rem);font-weight:700;line-height:1.1;display:block;}
  .stat-row li .t{font-size:13px;color:var(--muted);margin-top:6px;}
  @media(min-width:768px){.stat-row{grid-template-columns:repeat(4,minmax(0,1fr));gap:28px;}}
  .partner-bar{
    margin-top:34px;padding-top:22px;border-top:1px solid var(--line);
    display:flex;flex-wrap:wrap;gap:12px 30px;align-items:center;
  }
  .partner-bar span{
    font-size:13px;color:#A9A3AF;letter-spacing:.06em;
    font-family:"Noto Serif SC",serif;font-weight:700;
  }

  /* ---------- 卡片通用 ---------- */
  .card{
    background:#FFFDFA;border:1px solid var(--line);border-radius:var(--r-card);
    padding:26px;box-shadow:var(--sh-1);position:relative;height:100%;
    transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
  }
  .card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D8D1C4;}
  .card .dot{
    width:8px;height:8px;border-radius:50%;background:var(--celadon);display:inline-block;
    box-shadow:0 0 0 3px rgba(14,159,126,.12);
  }
  .card-idx{font-family:"Noto Serif SC",serif;font-size:13px;color:var(--muted);letter-spacing:.14em;}
  .card h3{font-size:1.12rem;margin:12px 0 10px;}
  .card p{font-size:14.5px;color:#57525E;}
  .grid-3{display:grid;grid-template-columns:1fr;gap:22px;}
  @media(min-width:640px){.grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}}
  @media(min-width:1024px){.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));gap:26px;}}
  .grid-4{display:grid;grid-template-columns:1fr;gap:20px;}
  @media(min-width:640px){.grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}}
  @media(min-width:1024px){.grid-4{grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}}

  /* ---------- 图文交替 ---------- */
  .feature-row{display:grid;grid-template-columns:1fr;gap:28px;align-items:center;}
  .feature-row + .feature-row{margin-top:56px;}
  .feature-media{
    border-radius:var(--r-img);overflow:hidden;background:var(--paper-2);aspect-ratio:4/3;
  }
  .feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
  .feature-media:hover img{transform:scale(1.03);}
  .feature-copy h3{font-size:clamp(1.3rem,2.2vw,1.75rem);margin:14px 0 16px;}
  .point-list{display:grid;gap:10px;}
  .point-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:#4A4550;}
  .point-list li::before{
    content:"";width:6px;height:6px;border-radius:1px;background:var(--vermilion);
    margin-top:11px;flex-shrink:0;
  }
  @media(min-width:900px){
    .feature-row{grid-template-columns:1fr 1fr;gap:48px;}
    .feature-row.flip .feature-media{order:2;}
  }

  /* ---------- 场景横滑 ---------- */
  .scene-track{
    display:grid;grid-auto-flow:column;grid-auto-columns:minmax(258px,84%);
    gap:18px;overflow-x:auto;padding:6px 4px 18px;
    scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
  }
  .scene-track::-webkit-scrollbar{height:6px;}
  .scene-track::-webkit-scrollbar-thumb{background:#D8D1C4;border-radius:99px;}
  .scene-card{
    scroll-snap-align:start;background:#FFFDFA;border:1px solid var(--line);
    border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);
    transition:transform .25s var(--ease),box-shadow .25s var(--ease);
  }
  .scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
  .scene-num{font-family:"Noto Serif SC",serif;font-size:13px;letter-spacing:.2em;color:var(--vermilion);}
  .scene-card h3{font-size:1.08rem;margin:12px 0 8px;}
  .scene-card p{font-size:14px;color:#57525E;}
  @media(min-width:1024px){
    .scene-track{grid-auto-flow:row;grid-template-columns:repeat(4,minmax(0,1fr));grid-auto-columns:auto;overflow:visible;padding:0;}
  }

  /* ---------- 演示台 ---------- */
  .stage{
    background:var(--ink);border-radius:20px;padding:18px;color:var(--paper);
    position:relative;overflow:hidden;border:1px solid rgba(246,243,237,.1);
  }
  .stage-bg{
    position:absolute;inset:0;background-image:url('/assets/images/backpic/back-4.jpg');
    background-size:cover;background-position:center;opacity:.14;pointer-events:none;
  }
  .stage-tabs{position:relative;z-index:2;display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px;}
  .stage-tab{
    font-size:13px;padding:8px 16px;border-radius:var(--r-pill);
    border:1px solid rgba(246,243,237,.22);color:rgba(246,243,237,.75);
    transition:all .2s var(--ease);
  }
  .stage-tab.active{background:var(--paper);color:var(--ink);border-color:var(--paper);font-weight:500;}
  .stage-body{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:14px;}
  .mock-window{
    background:var(--ink-2);border:1px solid rgba(246,243,237,.12);
    border-radius:14px;padding:16px;display:grid;grid-template-columns:1fr;gap:14px;
  }
  .mock-side{display:flex;flex-direction:column;gap:9px;border-bottom:1px solid var(--line-dark);padding-bottom:14px;}
  .mock-line{height:8px;border-radius:99px;background:rgba(246,243,237,.16);}
  .mock-line.on{background:var(--vermilion);}
  .mock-line.w60{width:60%;}
  .mock-line.w80{width:80%;}
  .mock-line.w45{width:45%;}
  .mock-main{display:grid;gap:12px;}
  .mock-bars{display:grid;gap:10px;}
  .mock-bar{display:grid;grid-template-columns:76px 1fr 46px;align-items:center;gap:10px;font-size:12px;}
  .mock-bar .track{height:7px;border-radius:99px;background:rgba(246,243,237,.12);overflow:hidden;}
  .mock-bar .fill{height:100%;background:var(--vermilion);border-radius:99px;}
  .mock-bar .fill.green{background:var(--celadon);}
  .mock-cover{border-radius:10px;overflow:hidden;background:rgba(246,243,237,.06);}
  .mock-cover img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/9;}
  .led-dot{width:7px;height:7px;border-radius:50%;background:var(--celadon);display:inline-block;animation:pulse 2.4s ease-in-out infinite;}
  @keyframes pulse{0%,100%{opacity:1;}50%{opacity:.35;}}
  .stage-notes{position:relative;z-index:2;margin-top:16px;display:flex;flex-wrap:wrap;gap:10px 22px;font-size:13px;color:rgba(246,243,237,.66);}
  .stage-notes span{display:inline-flex;align-items:center;gap:8px;}
  @media(min-width:768px){
    .mock-window{grid-template-columns:170px 1fr;}
    .mock-side{border-bottom:none;border-right:1px solid var(--line-dark);padding-bottom:0;padding-right:14px;}
  }

  /* ---------- 案例卡 ---------- */
  .case-card{
    background:#FFFDFA;border:1px solid var(--line);border-left:4px solid var(--vermilion);
    border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);height:100%;
    display:flex;flex-direction:column;
    transition:transform .25s var(--ease),box-shadow .25s var(--ease);
  }
  .case-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
  .case-media{aspect-ratio:16/9;overflow:hidden;background:var(--paper-2);}
  .case-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
  .case-card:hover .case-media img{transform:scale(1.03);}
  .case-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
  .case-body h3{font-size:1.05rem;}
  .case-result{font-size:14px;color:#57525E;}
  .case-num{font-size:32px;font-weight:700;color:var(--vermilion);line-height:1;margin-top:auto;}

  /* ---------- 价格 ---------- */
  .price-grid{display:grid;grid-template-columns:1fr;gap:22px;}
  @media(min-width:900px){.price-grid{grid-template-columns:repeat(3,minmax(0,1fr));align-items:stretch;gap:24px;}}
  .price-card{
    background:#FFFDFA;border:1px solid var(--line);border-radius:var(--r-card);
    padding:28px 26px;display:flex;flex-direction:column;box-shadow:var(--sh-1);position:relative;
    transition:transform .25s var(--ease),box-shadow .25s var(--ease);
  }
  .price-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
  .price-card.featured{background:var(--ink);color:var(--paper);border-color:var(--vermilion);}
  .price-card.featured .price-amount small,.price-card.featured .price-cycle{color:rgba(246,243,237,.62);}
  .price-card.featured .price-list li{color:rgba(246,243,237,.86);}
  .price-name{font-family:"Noto Serif SC",serif;font-size:19px;font-weight:800;}
  .price-amount{font-size:38px;font-weight:700;line-height:1;margin:16px 0 4px;}
  .price-amount small{font-size:14px;font-weight:400;margin-left:2px;}
  .price-cycle{font-size:13px;color:var(--muted);}
  .price-list{display:grid;gap:10px;margin:22px 0 26px;}
  .price-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;line-height:1.6;}
  .price-card .btn{margin-top:auto;width:100%;}
  .compare-wrap{margin-top:34px;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:#FFFDFA;}
  .compare-table{width:100%;border-collapse:collapse;font-size:14.5px;}
  .compare-table th,.compare-table td{padding:15px 20px;text-align:left;border-bottom:1px solid var(--line);}
  .compare-table th{font-family:"Noto Serif SC",serif;font-weight:800;background:var(--paper-2);font-size:14px;}
  .compare-table tr:last-child td{border-bottom:none;}
  .compare-table td.hl{color:var(--vermilion);font-weight:500;}
  .mobile-compare{display:grid;gap:12px;margin-top:22px;}
  .mobile-compare details{border:1px solid var(--line);border-radius:12px;background:#FFFDFA;}
  .mobile-compare summary{padding:14px 18px;font-weight:500;cursor:pointer;list-style:none;display:flex;justify-content:space-between;}
  .mobile-compare summary::-webkit-details-marker{display:none;}
  .mobile-compare .mc-body{padding:0 18px 16px;font-size:14px;color:#57525E;display:grid;gap:8px;}
  @media(min-width:768px){.mobile-compare{display:none;}}
  @media(max-width:767px){.compare-wrap{display:none;}}

  /* ---------- 评价墙 ---------- */
  .wall{columns:1;column-gap:22px;}
  .wall-item{
    break-inside:avoid;margin-bottom:22px;background:#FFFDFA;border:1px solid var(--line);
    border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1);
    transition:transform .25s var(--ease),box-shadow .25s var(--ease);
  }
  .wall-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
  .wall-item:nth-child(3n+2){transform:translateY(14px);}
  .wall-item:nth-child(3n+3){transform:translateY(6px);}
  .wall-item:nth-child(3n+2):hover,.wall-item:nth-child(3n+3):hover{transform:translateY(-4px);}
  .wall-top{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
  .avatar{
    width:40px;height:40px;border-radius:50%;background:var(--paper-2);color:var(--ink);
    display:inline-flex;align-items:center;justify-content:center;
    font-family:"Noto Serif SC",serif;font-weight:800;font-size:16px;flex-shrink:0;
  }
  .wall-name{font-size:14.5px;font-weight:500;}
  .wall-role{font-size:12px;color:var(--muted);}
  .wall-text{font-size:14.5px;color:#57525E;}
  .stars{color:var(--vermilion);font-size:13px;letter-spacing:2px;margin-top:10px;display:block;}
  @media(min-width:640px){.wall{columns:2;}}
  @media(min-width:1024px){.wall{columns:3;}}

  /* ---------- 长口碑 ---------- */
  .voice{display:grid;grid-template-columns:1fr;gap:24px;align-items:center;}
  .voice + .voice{margin-top:52px;}
  .voice-quote{font-family:"Noto Serif SC",serif;font-size:clamp(1.15rem,2.1vw,1.4rem);line-height:1.7;font-weight:700;}
  .voice-from{font-size:13.5px;color:var(--muted);margin:14px 0 18px;}
  .voice-media{border-radius:var(--r-img);overflow:hidden;background:var(--paper-2);aspect-ratio:16/10;}
  .voice-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
  .voice-media:hover img{transform:scale(1.03);}
  @media(min-width:900px){.voice{grid-template-columns:1.15fr .85fr;gap:48px;}}

  /* ---------- 深色数据区 ---------- */
  .trust-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;margin-top:34px;}
  .trust-grid li{border-top:1px solid var(--line-dark);padding-top:18px;}
  .trust-grid .n{font-size:clamp(1.6rem,3.2vw,2.2rem);font-weight:700;display:block;}
  .trust-grid .t{font-size:13px;color:rgba(246,243,237,.62);margin-top:6px;}
  @media(min-width:768px){.trust-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:32px;}}

  /* ---------- 资讯列表 ---------- */
  .news-grid{display:grid;grid-template-columns:1fr;gap:22px;}
  @media(min-width:700px){.news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
  @media(min-width:1200px){.news-grid{grid-template-columns:repeat(3,minmax(0,1fr));}}
  .news-card{
    display:flex;flex-direction:column;background:#FFFDFA;border:1px solid var(--line);
    border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);height:100%;
    transition:transform .25s var(--ease),box-shadow .25s var(--ease);
  }
  .news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
  .news-media{aspect-ratio:16/9;overflow:hidden;background:var(--paper-2);}
  .news-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
  .news-card:hover .news-media img{transform:scale(1.03);}
  .news-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
  .news-body h3{font-size:1.02rem;line-height:1.55;}
  .news-meta{font-size:12.5px;color:var(--muted);display:flex;gap:10px;flex-wrap:wrap;}
  .news-body p{font-size:14px;color:#57525E;}

  /* ---------- FAQ ---------- */
  .faq-list{border-top:1px solid var(--line);}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-q{
    width:100%;display:flex;align-items:center;gap:16px;text-align:left;
    padding:24px 4px;font-size:16.5px;font-weight:500;font-family:"Noto Serif SC",serif;
  }
  .faq-q .idx{font-size:13px;color:var(--muted);letter-spacing:.16em;flex-shrink:0;}
  .faq-q .chev{margin-left:auto;flex-shrink:0;transition:transform .3s var(--ease);color:var(--muted);}
  .faq-item.open .faq-q .chev{transform:rotate(180deg);color:var(--vermilion);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .4s var(--ease);}
  .faq-a p{padding:0 4px 26px 40px;color:#57525E;font-size:15px;}

  /* ---------- 表单 ---------- */
  .form-grid{display:grid;grid-template-columns:1fr;gap:18px;}
  @media(min-width:768px){.form-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
  .field{display:flex;flex-direction:column;gap:8px;}
  .field.full{grid-column:1/-1;}
  .field label{font-size:13.5px;color:rgba(246,243,237,.72);}
  .field input,.field textarea{
    width:100%;padding:13px 16px;border-radius:var(--r-input);
    background:rgba(246,243,237,.06);border:1px solid rgba(246,243,237,.2);
    color:var(--paper);font-size:15px;transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
  }
  .field input::placeholder,.field textarea::placeholder{color:rgba(246,243,237,.38);}
  .field input:focus,.field textarea:focus{
    outline:none;border-color:var(--paper);background:rgba(246,243,237,.1);
    box-shadow:0 0 0 2px rgba(255,90,54,.6);
  }
  .field textarea{min-height:104px;resize:vertical;}
  .field .err{font-size:12px;color:#FF8F73;display:none;}
  .field.invalid .err{display:block;}
  .field.invalid input,.field.invalid textarea{border-color:#FF8F73;}

  /* ---------- 分类入口 ---------- */
  .cat-entry{
    display:grid;grid-template-columns:1fr;gap:24px;align-items:center;
    background:#FFFDFA;border:1px solid var(--line);border-radius:20px;padding:28px;
    box-shadow:var(--sh-1);
  }
  .cat-entry-media{border-radius:var(--r-img);overflow:hidden;background:var(--paper-2);aspect-ratio:16/10;}
  .cat-entry-media img{width:100%;height:100%;object-fit:cover;}
  @media(min-width:900px){.cat-entry{grid-template-columns:1.2fr .8fr;gap:44px;padding:36px 40px;}}

  /* ---------- 订阅条 ---------- */
  .sub-bar{
    display:grid;grid-template-columns:1fr;gap:20px;align-items:center;
    border:1px solid var(--line);border-radius:20px;padding:26px 28px;background:var(--paper-2);
  }
  .sub-form{display:flex;flex-wrap:wrap;gap:12px;}
  .sub-form input{
    flex:1 1 220px;padding:13px 18px;border-radius:var(--r-pill);border:1px solid var(--line);
    background:#FFFDFA;font-size:15px;transition:border-color .18s ease,box-shadow .18s ease;
  }
  .sub-form input:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 2px rgba(255,90,54,.35);}
  @media(min-width:900px){.sub-bar{grid-template-columns:1.1fr 1fr;gap:36px;}}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--ink);color:var(--paper);padding:72px 0 28px;margin-top:0;}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:36px;}
  @media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
  @media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:44px;}}
  .footer-brand .brand-text{color:var(--paper);}
  .footer-brand .brand-mark{background:var(--paper);}
  .footer-brand .brand-mark::after{background:var(--vermilion);}
  .footer-intro{color:rgba(246,243,237,.7);font-size:14px;margin-top:16px;max-width:320px;}
  .footer-col h4{font-size:14px;letter-spacing:.06em;color:var(--paper);margin-bottom:16px;font-family:"Noto Serif SC",serif;}
  .footer-col ul{display:grid;gap:11px;}
  .footer-col a{color:rgba(246,243,237,.7);font-size:14px;transition:color .18s ease;}
  .footer-col a:hover{color:var(--paper);}
  .footer-bottom{
    margin-top:48px;padding-top:22px;border-top:1px solid var(--line-dark);
    display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
    color:rgba(246,243,237,.6);font-size:13px;
  }

  /* ---------- 动效 ---------- */
  [data-reveal]{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
  [data-reveal].in{opacity:1;transform:none;}
  @media (prefers-reduced-motion: reduce){
    *{animation:none!important;transition:none!important;}
    [data-reveal]{opacity:1!important;transform:none!important;}
    html{scroll-behavior:auto;}
  }

/* roulang page: category1 */
:root{
  --ink:#14121A;
  --ink-2:#221E2A;
  --paper:#F6F3ED;
  --paper-2:#EFEAE1;
  --vermilion:#FF5A36;
  --celadon:#0E9F7E;
  --muted:#8B8593;
  --line:#E5E0D6;
  --line-dark:rgba(246,243,237,.14);
  --r-card:14px;
  --r-img:12px;
  --r-input:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,18,26,.06);
  --sh-2:0 10px 32px rgba(20,18,26,.10);
  --ease:cubic-bezier(.2,.8,.2,1);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:"Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
h1,h2,h3,h4{font-family:"Noto Serif SC",serif;margin:0;line-height:1.25;letter-spacing:-.01em;}
p{margin:0;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button,input{font:inherit;color:inherit;}
button{background:none;border:none;cursor:pointer;}
ul,ol{margin:0;padding:0;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--vermilion);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px;}
@media(min-width:640px){.container{padding:0 32px;}}
@media(min-width:1024px){.container{padding:0 48px;}}

/* ---------- 通用排版组件 ---------- */
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.06em;color:var(--muted);font-weight:500;}
.eyebrow::before{content:"";width:7px;height:7px;background:var(--vermilion);border-radius:1px;transform:rotate(45deg);}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;line-height:1;padding:6px 12px;border-radius:var(--r-pill);background:rgba(14,159,126,.12);color:#0B7A60;font-weight:500;letter-spacing:.02em;white-space:nowrap;}
.badge-verm{background:rgba(255,90,54,.14);color:#C63714;}
.badge-ghost{background:rgba(246,243,237,.12);color:rgba(246,243,237,.9);}
.btn{display:inline-flex;align-items:center;gap:8px;justify-content:center;border-radius:var(--r-pill);padding:14px 26px;font-size:15px;font-weight:500;border:1px solid transparent;white-space:nowrap;transition:background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease;}
.btn .arw{display:inline-block;transition:transform .2s var(--ease);}
.btn:hover .arw{transform:translateX(4px);}
.btn-primary{background:var(--vermilion);color:#FFF7F3;box-shadow:var(--sh-1);}
.btn-primary:hover{background:#E84A27;box-shadow:var(--sh-2);}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent;}
.btn-ghost:hover{background:var(--ink);color:var(--paper);}
.btn-ghost-light{border-color:rgba(246,243,237,.4);color:var(--paper);}
.btn-ghost-light:hover{background:var(--paper);color:var(--ink);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;filter:grayscale(.2);}

/* ---------- 悬浮胶囊导航 ---------- */
.nav-shell{position:sticky;top:16px;z-index:80;padding:14px 16px 0;}
.pill-nav{max-width:var(--maxw);margin:0 auto;height:60px;display:flex;align-items:center;gap:18px;padding:0 10px 0 22px;border-radius:var(--r-pill);background:rgba(246,243,237,.72);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--line);transition:box-shadow .3s var(--ease),border-color .3s var(--ease);}
.nav-shell.scrolled .pill-nav{box-shadow:var(--sh-2);}
.brand{display:inline-flex;align-items:center;gap:9px;flex-shrink:0;}
.brand-mark{width:22px;height:22px;border-radius:6px;background:var(--ink);position:relative;flex-shrink:0;}
.brand-mark::after{content:"";position:absolute;inset:6px;background:var(--vermilion);border-radius:2px;}
.brand-text{font-family:"Noto Serif SC",serif;font-weight:900;font-size:19px;letter-spacing:-.02em;}
.nav-links{display:none;align-items:center;gap:4px;margin-left:auto;list-style:none;}
.nav-links a{position:relative;display:inline-block;padding:8px 12px;font-size:14px;letter-spacing:.02em;color:var(--ink);opacity:.78;transition:opacity .18s ease;}
.nav-links a::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--vermilion);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);}
.nav-links a:hover{opacity:1;}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);}
.nav-links a.active{opacity:1;font-weight:500;}
.nav-cta{display:none;}
.nav-toggle{margin-left:auto;width:44px;height:44px;border-radius:var(--r-pill);display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;border:1px solid var(--line);background:rgba(255,255,255,.5);}
.nav-toggle span{display:block;width:16px;height:1.6px;background:var(--ink);transition:transform .25s var(--ease),opacity .2s ease;}
.nav-toggle.open span:nth-child(1){transform:translateY(5.6px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-5.6px) rotate(-45deg);}
.nav-panel{max-width:var(--maxw);margin:0 auto;overflow:hidden;max-height:0;opacity:0;border-radius:24px;background:var(--paper);border:1px solid transparent;transition:max-height .45s var(--ease),opacity .3s ease,margin-top .3s ease,border-color .3s ease;}
.nav-panel.open{max-height:560px;opacity:1;margin-top:10px;border-color:var(--line);box-shadow:var(--sh-2);}
.nav-panel ul{list-style:none;padding:10px;}
.nav-panel li a{display:flex;align-items:center;justify-content:space-between;font-size:16px;line-height:52px;padding:0 16px;border-radius:16px;transition:background-color .18s ease;}
.nav-panel li a:hover,.nav-panel li a.active{background:var(--paper-2);}
.nav-panel .panel-cta{margin:10px;display:flex;}
.nav-panel .btn{width:100%;}
@media(min-width:1024px){
  .nav-links{display:flex;}
  .nav-cta{display:inline-flex;}
  .nav-toggle{display:none;}
  .nav-panel{display:none;}
}

/* ---------- 分类头（非 Hero） ---------- */
.cat-head{position:relative;padding:48px 0 40px;border-bottom:1px solid var(--line);}
.crumbs{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);letter-spacing:.02em;}
.crumbs a:hover{color:var(--ink);}
.crumbs .sep{color:var(--line);}
.crumbs [aria-current]{color:var(--ink);}
.cat-head-grid{display:grid;grid-template-columns:1fr;gap:26px;margin-top:22px;}
@media(min-width:1024px){.cat-head-grid{grid-template-columns:1.55fr .95fr;gap:48px;align-items:end;}}
.cat-head h1{font-size:clamp(1.9rem,3.6vw,2.9rem);font-weight:900;letter-spacing:-.02em;margin:14px 0 12px;max-width:22ch;}
.cat-head .lede{font-size:16px;line-height:1.85;color:#4A4552;max-width:56ch;}
.cat-head-figure{margin:0;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);background:var(--paper-2);}
.cat-head-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;}
.cat-head-figure figcaption{font-size:13px;color:var(--muted);padding:10px 16px;border-top:1px solid var(--line);background:#fff;}
.cat-head-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}

/* ---------- 指标条 ---------- */
.metrics{background:var(--paper-2);border-bottom:1px solid var(--line);}
.metrics-row{display:grid;grid-template-columns:repeat(2,1fr);}
.metric{padding:24px 0 24px 18px;border-left:1px solid var(--line);}
.metric:nth-child(odd){border-left:none;padding-left:0;}
.m-num{display:block;font-family:"Noto Serif SC",serif;font-weight:900;font-size:clamp(1.7rem,3.4vw,2.4rem);line-height:1;font-variant-numeric:tabular-nums;letter-spacing:-.02em;}
.m-unit{font-family:"Noto Sans SC",sans-serif;font-size:14px;font-weight:500;color:var(--muted);margin-left:4px;}
.m-label{display:block;margin-top:10px;font-size:13px;color:var(--muted);letter-spacing:.02em;}
@media(min-width:768px){
  .metrics-row{grid-template-columns:repeat(4,1fr);}
  .metric{padding:30px 0 30px 24px;border-left:1px solid var(--line);}
  .metric:nth-child(odd){border-left:1px solid var(--line);padding-left:24px;}
  .metric:first-child{border-left:none;padding-left:0;}
}

/* ---------- 筛选条 ---------- */
.filter-bar{padding:28px 0 8px;display:flex;flex-wrap:wrap;align-items:center;gap:14px;}
.filter-label{font-size:13px;color:var(--muted);letter-spacing:.06em;flex-shrink:0;}
.chips{display:flex;gap:10px;flex-wrap:wrap;}
.chip{border:1px solid var(--line);border-radius:var(--r-pill);padding:9px 18px;font-size:14px;color:var(--ink);background:#fff;transition:background-color .18s ease,color .18s ease,border-color .18s ease;}
.chip:hover{border-color:var(--ink);}
.chip.active{background:var(--ink);color:var(--paper);border-color:var(--ink);}
@media(max-width:639px){
  .chips{flex-wrap:nowrap;overflow-x:auto;padding-bottom:8px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;}
  .chip{flex:0 0 auto;scroll-snap-align:start;}
}

/* ---------- 板块基础 ---------- */
.sec{padding:64px 0;}
@media(min-width:768px){.sec{padding:88px 0;}}
@media(min-width:1024px){.sec{padding:112px 0;}}
.sec-alt{background:var(--paper-2);}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:36px;}
.sec-head h2{font-size:clamp(1.55rem,3vw,2.25rem);font-weight:900;letter-spacing:-.02em;margin-top:12px;}
.sec-desc{font-size:15px;color:var(--muted);max-width:52ch;margin-top:10px;}

/* ---------- 列表卡片 ---------- */
.card-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media(min-width:640px){.card-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.card-grid{grid-template-columns:repeat(3,1fr);gap:26px;}}
.c-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);}
.c-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D8D2C6;}
.c-cover{display:block;aspect-ratio:16/9;background:var(--paper-2);overflow:hidden;}
.c-cover img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease);}
.c-card:hover .c-cover img{transform:scale(1.03);}
.c-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.c-body h3{font-size:1.08rem;line-height:1.5;}
.c-body h3 a:hover{color:var(--vermilion);}
.c-body p{font-size:14px;color:#57525F;line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.c-meta{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;padding-top:8px;}
.c-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--line);}
.list-foot{display:flex;justify-content:center;margin-top:40px;}

/* ---------- 编辑精选 ---------- */
.feat-list{display:flex;flex-direction:column;gap:22px;}
.feat{display:grid;grid-template-columns:1fr;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .25s var(--ease),box-shadow .25s var(--ease);}
.feat:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
@media(min-width:768px){.feat{grid-template-columns:300px 1fr;}}
.feat-img{aspect-ratio:16/10;background:var(--paper-2);overflow:hidden;}
@media(min-width:768px){.feat-img{aspect-ratio:auto;height:100%;min-height:220px;}}
.feat-img img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease);}
.feat:hover .feat-img img{transform:scale(1.03);}
.feat-body{padding:24px 26px;display:flex;flex-direction:column;gap:12px;}
.feat-body h3{font-size:1.2rem;line-height:1.45;}
.feat-body h3 a:hover{color:var(--vermilion);}
.feat-body p{font-size:14.5px;color:#57525F;}
.feat-more{margin-top:auto;font-size:14px;color:var(--ink);border-bottom:2px solid var(--vermilion);padding-bottom:2px;display:inline-block;transition:transform .2s var(--ease);width:fit-content;}
.feat-more:hover{transform:translateX(4px);}

/* ---------- 分类导览 ---------- */
.guide-grid{display:grid;grid-template-columns:1fr;gap:30px;}
@media(min-width:768px){.guide-grid{grid-template-columns:repeat(3,1fr);gap:36px;}}
.guide-step{padding-top:20px;border-top:1px solid var(--line);}
.guide-num{font-family:"Noto Serif SC",serif;font-size:14px;color:var(--vermilion);letter-spacing:.28em;display:block;}
.guide-step h3{font-size:1.16rem;margin:10px 0 10px;}
.guide-step p{font-size:14.5px;color:#57525F;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{width:100%;display:flex;align-items:flex-start;gap:16px;text-align:left;padding:22px 0;font-family:"Noto Serif SC",serif;font-weight:700;font-size:1.05rem;line-height:1.55;color:var(--ink);}
.faq-q .no{font-family:"Noto Serif SC",serif;font-size:15px;color:var(--vermilion);font-variant-numeric:tabular-nums;flex-shrink:0;padding-top:3px;}
.faq-q .arrow{margin-left:auto;flex-shrink:0;width:20px;height:20px;position:relative;transition:transform .3s var(--ease);}
.faq-q .arrow::before,.faq-q .arrow::after{content:"";position:absolute;left:2px;top:9px;width:16px;height:1.5px;background:var(--ink);}
.faq-q .arrow::after{transform:rotate(90deg);transition:opacity .25s ease;}
.faq-item.open .arrow{transform:rotate(180deg);}
.faq-item.open .arrow::after{opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .42s var(--ease);}
.faq-a p{padding:0 44px 22px 44px;font-size:14.5px;color:#57525F;}
@media(max-width:639px){.faq-a p{padding-left:32px;padding-right:8px;}}

/* ---------- 订阅 CTA ---------- */
.cta-band{position:relative;background:var(--ink);color:var(--paper);padding:64px 0;overflow:hidden;}
@media(min-width:1024px){.cta-band{padding:88px 0;}}
.cta-band::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-5.jpg');background-size:cover;background-position:center;opacity:.10;pointer-events:none;}
.cta-inner{position:relative;display:grid;grid-template-columns:1fr;gap:30px;}
@media(min-width:900px){.cta-inner{grid-template-columns:1.1fr .9fr;align-items:center;gap:56px;}}
.cta-band h2{font-size:clamp(1.6rem,3.2vw,2.35rem);font-weight:900;letter-spacing:-.02em;margin:14px 0 12px;}
.cta-band p{color:rgba(246,243,237,.72);font-size:15.5px;max-width:48ch;}
.cta-band .eyebrow{color:rgba(246,243,237,.62);}
.subscribe{display:flex;flex-wrap:wrap;gap:12px;}
.subscribe input{flex:1 1 240px;min-width:0;padding:14px 16px;border-radius:var(--r-input);border:1px solid var(--line-dark);background:rgba(246,243,237,.06);color:var(--paper);font-size:15px;}
.subscribe input::placeholder{color:rgba(246,243,237,.42);}
.subscribe input:focus{outline:none;border-color:var(--paper);box-shadow:0 0 0 3px rgba(255,90,54,.32);}
.form-note{margin-top:12px;font-size:13px;color:rgba(246,243,237,.5);}
.form-err{display:none;margin-top:10px;font-size:12px;color:#FF8A6B;}
.form-err.show{display:block;}
.cta-figure{margin:0;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line-dark);}
.cta-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(246,243,237,.7);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px;}
@media(min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}}
.site-footer .brand-text{color:var(--paper);}
.site-footer .brand-mark{background:var(--paper);}
.site-footer .brand-mark::after{background:var(--vermilion);}
.footer-intro{margin-top:16px;font-size:14px;line-height:1.9;color:rgba(246,243,237,.6);max-width:320px;}
.footer-col h4{font-family:"Noto Sans SC",sans-serif;font-size:14px;font-weight:700;letter-spacing:.04em;color:var(--paper);margin-bottom:16px;}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14px;color:rgba(246,243,237,.7);transition:color .18s ease;}
.footer-col a:hover{color:var(--paper);}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;margin-top:44px;padding-top:20px;border-top:1px solid var(--line-dark);font-size:13px;color:rgba(246,243,237,.5);}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .48s var(--ease),transform .48s var(--ease);}
.reveal.in{opacity:1;transform:none;}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important;}
}