/* ============================================================
   pillar.css · 对多多详情页共用设计系统
   抽取自 flagship-rc001.html（已验证）· 七个支柱详情页共用
   精修时改这一个文件，七页齐变
   ============================================================ */
  :root{
    --paper:#e9e5d8;
    --paper-2:#eeeadf;
    --paper-3:#f2efe6;
    --ink:#1e1d1a;
    --ink-soft:#494640;
    --muted:#8a8574;
    --muted-2:#a6a191;
    --green:#2f4a37;
    --green-2:#3a5a44;
    --green-soft:#5c7463;
    --gold:#a98a58;
    --gold-soft:#c1a678;
    --rule:#d7d2c2;
    --rule-soft:#e1ddce;
    --serif:"Noto Serif SC",serif;
    --latin:"EB Garamond","Noto Serif SC",serif;
  }

  *{box-sizing:border-box;margin:0;padding:0;}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}

  body{
    font-family:var(--serif);
    color:var(--ink);
    background-color:var(--paper);
    background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
  }
  ::selection{background:rgba(47,74,55,.16);}

  .wrap{max-width:1180px;margin:0 auto;padding:0 56px;}

  /* ================= NAV ================= */
  .nav{
    display:flex;align-items:center;justify-content:space-between;
    padding:30px 0 26px;border-bottom:1px solid var(--rule);
    gap:24px;flex-wrap:wrap;
  }
  .brand{display:flex;align-items:center;gap:15px;text-decoration:none;color:inherit;}
  /* ===== 中国印 · 阴刻（白文）「对多多印」===== */
  .brand-seal{
    width:52px;height:52px;flex:none;position:relative;
    background:#a83227;                       /* 朱砂印泥色 */
    border-radius:5px;
    padding:3px;
    box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.28),  /* 内圈留白（印章边框）*/
               0 1px 2px rgba(30,29,26,.28);
    transition:transform .25s ease,box-shadow .25s ease;
    overflow:hidden;
  }
  /* 印面做旧：细微斑驳，模拟钤印的飞白 */
  .brand-seal::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
    background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60'%3E%3Cfilter id='s'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='2'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23s)' opacity='0.22'/%3E%3C/svg%3E");
    mix-blend-mode:screen;}
  /* 印面里的金龙 */
  .brand-seal .seal-dragon{position:relative;z-index:1;display:block;width:100%;height:100%;}
  .brand-seal .seal-dragon path,.brand-seal .seal-dragon circle{
    transition:filter .25s ease;}
  .brand:hover .brand-seal{transform:rotate(-3deg) scale(1.05);box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.35),0 4px 10px rgba(168,50,39,.4);}
  .brand:hover .seal-dragon{filter:drop-shadow(0 0 3px rgba(240,208,130,.6));}
  .brand-text{display:flex;flex-direction:column;justify-content:center;}
  .brand-imprint{font-size:10px;font-weight:600;color:var(--muted-2);letter-spacing:4px;margin-bottom:5px;text-transform:uppercase;}
  .brand-title{display:flex;align-items:baseline;gap:11px;}
  .brand-name{font-size:24px;font-weight:900;letter-spacing:5px;color:var(--ink);line-height:1;}
  .brand-lat{font-family:var(--latin);font-style:italic;font-weight:600;font-size:19px;color:var(--green-soft);letter-spacing:1px;}
  .brand-sub{font-size:11.5px;color:var(--muted);letter-spacing:.5px;margin-top:6px;}

  /* ---------- 两级导航 + 下拉 ---------- */
  .nav-links{display:flex;align-items:center;gap:8px;}
  .nav-item{position:relative;}
  .nav-item>a{display:flex;align-items:center;gap:5px;text-decoration:none;color:var(--ink-soft);font-size:15px;font-weight:500;letter-spacing:1px;transition:color .2s ease;padding:8px 14px;border-radius:4px;white-space:nowrap;}
  .nav-item>a:hover{color:var(--green);}
  .nav-item>a .caret{width:8px;height:8px;flex:none;transition:transform .2s ease;opacity:.6;}
  .nav-item:hover>a .caret{transform:rotate(180deg);}
  .nav-cta{background:var(--green);color:#fff!important;padding:11px 24px;border-radius:3px;font-weight:600;font-size:15px;letter-spacing:2px;text-decoration:none;transition:background-color .2s ease;white-space:nowrap;margin-left:10px;}
  .nav-cta:hover{background:#25402e;color:#fff!important;}
  .nav-cta.has-menu{display:flex;align-items:center;gap:6px;}
  .nav-cta .caret{width:8px;height:8px;flex:none;transition:transform .2s ease;}
  .nav-item:hover .nav-cta .caret{transform:rotate(180deg);}
  /* 家人登录：幽灵按钮（次要，不与绿色主CTA打架） */
  .nav-login{display:flex;align-items:center;text-decoration:none;color:var(--green)!important;
    font-size:15px;font-weight:600;letter-spacing:1px;padding:10px 20px;border-radius:3px;
    border:1.5px solid var(--rule);transition:border-color .2s ease,background-color .2s ease;white-space:nowrap;}
  .nav-login:hover{border-color:var(--green);background:rgba(47,74,55,.06);}
  /* 已登录：账号 chip */
  .nav-user{display:flex;align-items:center;gap:9px;text-decoration:none;cursor:pointer;
    padding:6px 12px 6px 7px;border-radius:24px;border:1.5px solid var(--rule);
    transition:border-color .2s ease,background-color .2s ease;white-space:nowrap;}
  .nav-user:hover{border-color:var(--green);background:rgba(47,74,55,.05);}
  .nav-ava{width:30px;height:30px;flex:none;border-radius:50%;background:var(--green);color:#fff;
    display:grid;place-items:center;font-size:15px;font-weight:700;letter-spacing:0;}
  .nav-uname{font-size:15px;font-weight:600;color:var(--ink);letter-spacing:.5px;}
  .nav-user .caret{width:8px;height:8px;flex:none;color:var(--muted);transition:transform .2s ease;}
  #navUserItem:hover .nav-user .caret{transform:rotate(180deg);}

  .dropdown{
    position:absolute;top:calc(100% + 6px);left:0;min-width:230px;
    background:var(--paper-3);border:1px solid var(--rule);border-radius:8px;
    box-shadow:0 12px 34px rgba(30,29,26,.14);
    padding:8px;opacity:0;visibility:hidden;transform:translateY(-6px);
    transition:opacity .2s ease,transform .2s ease,visibility .2s ease;z-index:40;
  }
  .dropdown.right{left:auto;right:0;}
  .nav-item:hover .dropdown{opacity:1;visibility:visible;transform:translateY(0);}
  .dd-link{display:block;text-decoration:none;padding:11px 14px;border-radius:6px;transition:background-color .16s ease;}
  .dd-link:hover{background:var(--paper);}
  .dd-link .dt{display:flex;align-items:center;gap:9px;font-size:15px;font-weight:600;color:var(--ink);letter-spacing:.5px;margin-bottom:2px;}
  .dd-link .dd-desc{font-size:12.5px;color:var(--muted);letter-spacing:.3px;line-height:1.5;}
  .dd-link .st{font-size:10px;font-weight:700;letter-spacing:1px;padding:1px 7px;border-radius:20px;}
  .dd-link .st.live{color:var(--green);background:rgba(47,74,55,.1);}
  .dd-link .st.work{color:var(--gold);background:rgba(169,138,88,.12);}
  .dd-link .st.plan{color:var(--muted-2);background:rgba(166,161,145,.14);}
  .dd-sep{height:1px;background:var(--rule-soft);margin:6px 10px;}
  .dd-head{font-size:10.5px;font-weight:700;letter-spacing:2px;color:var(--muted-2);text-transform:uppercase;padding:8px 14px 4px;}

  /* 移动端汉堡 */
  .nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;flex-direction:column;gap:5px;}
  .nav-toggle span{width:24px;height:2px;background:var(--ink-soft);border-radius:2px;transition:.2s;}

  /* ================= HERO ================= */
  .hero{position:relative;padding:96px 0 40px;overflow:hidden;}
  .hero-mark{
    position:absolute;top:40px;right:-30px;writing-mode:vertical-rl;
    font-weight:900;font-size:230px;line-height:.92;letter-spacing:10px;
    color:var(--green);opacity:.045;user-select:none;pointer-events:none;z-index:0;white-space:nowrap;
  }
  .hero-inner{position:relative;z-index:1;max-width:820px;}
  .eyebrow{display:flex;align-items:center;gap:12px;font-size:16px;font-weight:700;color:var(--green);letter-spacing:1px;margin-bottom:30px;flex-wrap:wrap;}
  .eyebrow .tag{color:var(--green-2);font-weight:600;}
  .eyebrow .chev{color:var(--gold);font-weight:600;}
  .eyebrow .desc{color:var(--green-soft);font-weight:500;}
  .headline{font-weight:900;font-size:clamp(40px,5.2vw,74px);line-height:1.16;letter-spacing:1.5px;margin-bottom:32px;}
  .headline .l1{color:var(--ink);display:block;}
  .headline .l2{color:var(--green);display:block;}
  .subhead{font-size:clamp(22px,2.4vw,28px);line-height:1.5;color:var(--ink);font-weight:600;letter-spacing:.5px;margin-bottom:22px;max-width:24ch;}
  .lede{font-size:18px;line-height:1.85;color:var(--ink-soft);max-width:640px;font-weight:400;}
  .lede b{font-weight:600;color:var(--ink);}
  .hero-rule{height:1px;background:var(--rule);margin:56px 0 34px;max-width:720px;}

  .stats{display:flex;align-items:baseline;gap:44px;flex-wrap:wrap;}
  .stat{display:flex;align-items:baseline;gap:9px;}
  .stat .num{font-family:var(--latin);font-size:34px;font-weight:600;letter-spacing:.5px;color:var(--ink);}
  .stat.live .num{color:var(--green);}
  .stat .lab{font-size:15px;color:var(--muted);letter-spacing:1px;}
  .stat-note{font-size:15px;color:var(--muted-2);letter-spacing:1px;}
  .stats-scarcity{margin-top:18px;font-size:14.5px;color:var(--gold);letter-spacing:.5px;line-height:1.7;max-width:720px;}
  .stats-scarcity b{color:var(--green);font-weight:600;}

  .hero-cta{display:flex;align-items:center;gap:16px;margin-top:52px;flex-wrap:wrap;}
  .hero-cta .line{width:56px;height:2px;background:var(--gold);}
  .hero-cta a.text-cta{color:var(--gold);text-decoration:none;font-size:16px;font-weight:600;letter-spacing:2px;transition:color .2s ease;}
  .hero-cta a.text-cta:hover{color:#8f6f3d;}

  /* ===== Palantir 式增强：动态 hero ===== */
  /* 背景节点星座 canvas —— 用墨绿/金，长在暖底上 */
  .hero-canvas{position:absolute;inset:0;z-index:0;width:100%;height:100%;pointer-events:none;
    -webkit-mask-image:radial-gradient(ellipse 90% 75% at 70% 35%,#000 20%,transparent 78%);
            mask-image:radial-gradient(ellipse 90% 75% at 70% 35%,#000 20%,transparent 78%);}

  /* “动身开始” 主按钮 —— Palantir Get Started 的暖调等价 */
  .btn-start{display:inline-flex;align-items:center;gap:10px;background:var(--green);color:var(--paper-3);
    padding:14px 30px;border-radius:3px;font-family:var(--serif);font-size:16px;font-weight:600;letter-spacing:3px;
    text-decoration:none;border:1px solid var(--green);transition:background-color .25s ease,transform .2s ease,box-shadow .25s ease;}
  .btn-start:hover{background:#25402e;transform:translateY(-2px);box-shadow:0 14px 30px rgba(47,74,55,.24);}
  .btn-start .arw{transition:transform .25s ease;}
  .btn-start:hover .arw{transform:translateX(5px);}

  /* 逐行入场动画 */
  @keyframes riseIn{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}
  .hero-inner .anim{opacity:0;animation:riseIn .9s cubic-bezier(.2,.7,.2,1) forwards;}
  .hero-inner .anim.d1{animation-delay:.05s}
  .hero-inner .anim.d2{animation-delay:.18s}
  .hero-inner .anim.d3{animation-delay:.31s}
  .hero-inner .anim.d4{animation-delay:.44s}
  .hero-inner .anim.d5{animation-delay:.57s}

  /* 底部滚动提示 */
  .scroll-cue{position:absolute;left:0;right:0;bottom:22px;z-index:1;display:flex;flex-direction:column;
    align-items:center;gap:8px;font-size:11px;letter-spacing:3px;color:var(--muted-2);text-transform:uppercase;
    animation:riseIn 1s ease .8s both;}
  .scroll-cue .bar{width:1px;height:38px;background:linear-gradient(var(--gold),transparent);}
  .scroll-cue .dot{width:5px;height:5px;border-radius:50%;background:var(--gold);animation:cueRun 1.9s ease-in-out infinite;}
  @keyframes cueRun{0%{transform:translateY(-14px);opacity:0}30%{opacity:1}70%{opacity:1}100%{transform:translateY(14px);opacity:0}}

  @media(prefers-reduced-motion:reduce){
    .hero-inner .anim,.scroll-cue{animation:none;opacity:1}
    .scroll-cue .dot{animation:none}
  }

  /* ===== 顶部公告栏 announcement bar ===== */
  .announce{background:var(--green);color:var(--paper-3);position:relative;z-index:60;
    transition:margin-top .35s ease,opacity .35s ease;}
  .announce.hide{margin-top:-52px;opacity:0;pointer-events:none;}
  .announce-inner{max-width:1180px;margin:0 auto;padding:11px 56px;display:flex;align-items:center;
    justify-content:center;gap:14px;position:relative;}
  .announce-link{color:var(--paper-3);text-decoration:none;font-size:13.5px;letter-spacing:1px;
    display:inline-flex;align-items:center;gap:8px;transition:color .2s ease;}
  .announce-link:hover{color:#fff;}
  .announce-link .arw{transition:transform .2s ease;}
  .announce-link:hover .arw{transform:translateX(4px);}
  .announce-x{position:absolute;right:56px;top:50%;transform:translateY(-50%);background:none;border:none;
    color:var(--gold-soft);cursor:pointer;padding:6px;line-height:0;border-radius:4px;transition:color .2s ease,background-color .2s ease;}
  .announce-x:hover{color:#fff;background:rgba(255,255,255,.1);}
  @media(max-width:640px){.announce-inner{padding:10px 44px 10px 16px;}.announce-x{right:12px;}.announce-link{font-size:12.5px;}}

  /* ===== 导航右侧图标（搜索 / 菜单）===== */
  .nav-icons{display:flex;align-items:center;gap:6px;margin-left:6px;}
  .nav-icon{width:42px;height:42px;flex:none;display:grid;place-items:center;background:none;cursor:pointer;
    color:var(--ink-soft);border:1.5px solid var(--rule);border-radius:4px;transition:border-color .2s ease,color .2s ease,background-color .2s ease;}
  .nav-icon:hover{border-color:var(--green);color:var(--green);background:rgba(47,74,55,.05);}
  .nav-icon svg{width:19px;height:19px;}

  /* ===== 全屏视频 HERO ===== */
  .hero.hero-full{min-height:calc(100vh - 92px);display:flex;align-items:center;padding:0;max-width:none;
    margin:0;position:relative;overflow:hidden;}
  .hero-media{position:absolute;inset:0;z-index:0;overflow:hidden;background:var(--green);}
  .hero-media video,.hero-media canvas{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
  /* 视频/画布上的暖色遮罩，保证白字可读 + 保持 duiduoduo 身份 */
  .hero-media::after{content:"";position:absolute;inset:0;
    background:linear-gradient(120deg,rgba(30,29,26,.72) 0%,rgba(47,74,55,.58) 55%,rgba(30,29,26,.42) 100%);}
  .hero-full .hero-inner{position:relative;z-index:2;max-width:1180px;width:100%;margin:0 auto;padding:0 56px;}
  .hero-full .hero-mark{color:#fff;opacity:.05;}
  .hero-full .headline .l1{color:#fff;}
  .hero-full .headline .l2{color:var(--gold-soft);}
  .hero-full .subhead{color:rgba(255,255,255,.92);}
  .hero-full .lede{color:rgba(255,255,255,.82);}
  .hero-full .lede b{color:#fff;}
  .hero-full .hero-rule{background:rgba(255,255,255,.22);}
  .hero-full .stat .num{color:#fff;}
  .hero-full .stat.live .num{color:var(--gold-soft);}
  .hero-full .stat .lab,.hero-full .stat-note{color:rgba(255,255,255,.66);}
  .hero-full .stats-scarcity{color:var(--gold-soft);}
  .hero-full .stats-scarcity b{color:#fff;}
  /* hero 眉标 —— 全屏绿底重排后的定位行 */
  .hero-eyebrow{display:inline-flex;align-items:center;gap:14px;margin-bottom:34px;
    font-size:13px;font-weight:700;letter-spacing:5px;color:var(--gold-soft);text-transform:none;}
  .hero-eyebrow::before{content:"";width:40px;height:1px;background:var(--gold-soft);opacity:.7;}
  .hero-full .headline{margin-bottom:0;}
  .hero-full .lede{margin-top:30px;}
  .hero-full .btn-start{background:var(--paper-3);color:var(--green);border-color:var(--paper-3);}
  .hero-full .btn-start:hover{background:#fff;color:#25402e;}
  .hero-full .text-cta{color:var(--gold-soft);}
  .hero-full .text-cta:hover{color:#fff;}
  .hero-full .scroll-cue{color:rgba(255,255,255,.6);}
  .hero-full .scroll-cue .bar{background:linear-gradient(rgba(255,255,255,.6),transparent);}
  .hero-full .scroll-cue .dot{background:var(--gold-soft);}
  @media(max-width:640px){.hero.hero-full{min-height:calc(100vh - 76px);}.hero-full .hero-inner{padding:0 22px;}}

  /* ================= SECTION FRAME ================= */
  .band{background:var(--paper-2);border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);}
  .sec{padding:120px 0 40px;position:relative;}
  .sec-head{max-width:760px;margin-bottom:60px;}
  .kicker{display:flex;align-items:center;gap:12px;font-size:14px;font-weight:700;color:var(--green);letter-spacing:4px;margin-bottom:24px;}
  .kicker .dot{width:6px;height:6px;border-radius:50%;background:var(--gold);flex:none;}
  .sec-title{font-size:clamp(30px,4.2vw,50px);font-weight:900;line-height:1.28;letter-spacing:1px;margin-bottom:22px;}
  .sec-title em{font-style:normal;color:var(--green);}
  .sec-sub{font-size:18px;line-height:1.95;color:var(--ink-soft);}
  .sec-sub b{color:var(--ink);font-weight:600;}

  /* ================= FLAGSHIP · RC-001 完整样板 ================= */
  .flagship-tag{display:flex;align-items:center;gap:14px;margin-bottom:26px;font-size:13px;}
  .flagship-tag .star{color:var(--green);font-size:14px;}
  .flagship-tag .code{font-family:var(--latin);letter-spacing:1.5px;color:var(--ink-soft);font-size:15px;}
  .flagship-tag .filed{color:var(--green);font-weight:700;letter-spacing:2px;}
  .flagship-tag .rl{flex:1;height:1px;background:var(--gold-soft);opacity:.5;}

  .entry{display:grid;grid-template-columns:150px 1fr;gap:44px;align-items:start;}
  .entry-meta{position:sticky;top:30px;display:flex;flex-direction:column;gap:15px;padding-top:8px;}
  .entry-meta .row{font-size:13px;color:var(--muted);letter-spacing:1px;display:flex;flex-direction:column;gap:3px;}
  .entry-meta .row .v{font-family:var(--latin);font-size:17px;color:var(--ink-soft);letter-spacing:.5px;font-weight:500;}
  .entry-body{min-width:0;max-width:660px;}  /* 收到与 hero 一致的阅读宽度 */
  .entry-title{font-size:clamp(33px,4.4vw,52px);font-weight:800;letter-spacing:2px;line-height:1.15;margin-bottom:16px;}
  .entry-dek{color:var(--ink-soft);font-size:19px;line-height:1.7;margin-bottom:40px;max-width:44ch;}

  .block{margin-bottom:36px;}
  .block-kicker{font-size:13px;font-weight:700;color:var(--green);letter-spacing:3px;margin-bottom:14px;display:flex;align-items:center;gap:10px;}
  .block-kicker::before{content:"";width:18px;height:1.5px;background:var(--gold);}
  .stuck{position:relative;background:none;border:none;padding:0;margin:18px 0 4px;}
  .stuck::before{content:"\201C";display:block;font-family:var(--latin);font-size:clamp(66px,8.5vw,104px);line-height:.6;color:var(--gold);opacity:.6;margin:0 0 4px -5px;}
  .stuck .said{font-family:var(--serif);font-size:clamp(26px,3.9vw,42px);font-weight:600;color:var(--ink);line-height:1.5;letter-spacing:.5px;font-style:normal;max-width:16em;}
  .stuck .who{margin-top:20px;font-size:13px;letter-spacing:3px;color:var(--gold);font-weight:700;}
  .stuck .who::before{content:"— ";}
  .why p{font-size:16.5px;line-height:1.9;color:var(--ink-soft);margin-bottom:14px;}
  .why p:last-child{margin-bottom:0;}

  .key{background:var(--green);color:var(--paper-3);border-radius:8px;padding:30px 32px;margin:14px 0 34px;}
  .key .kt{font-size:12.5px;font-weight:700;letter-spacing:4px;color:var(--gold-soft);margin-bottom:14px;}
  .key .kb{font-size:20px;line-height:1.75;color:var(--paper-3);}
  .key .kb b{color:#fff;font-weight:700;}

  .evidence{border-top:1px solid var(--rule);padding-top:26px;margin-bottom:26px;}
  .etag{font-size:12.5px;font-weight:700;color:var(--gold);letter-spacing:2px;margin-bottom:8px;}
  .etitle{font-size:21px;font-weight:700;color:var(--ink);letter-spacing:1px;margin-bottom:14px;}
  .evidence p{font-size:16px;line-height:1.9;color:var(--ink-soft);margin-bottom:13px;}
  .evidence p:last-child{margin-bottom:0;}
  .calc{background:var(--paper);border:1px solid var(--rule);border-radius:6px;padding:16px 20px;margin:14px 0;}
  .calc div{font-size:15.5px;line-height:1.95;color:var(--ink-soft);}
  .calc div b{color:var(--green);font-weight:700;}
  .disclaim{font-size:13px;color:var(--muted-2);line-height:1.7;font-style:italic;letter-spacing:.3px;margin-top:10px;}

  .script{background:var(--paper-3);border:1px solid var(--gold-soft);border-radius:8px;padding:28px 30px;margin:14px 0 34px;}
  .script .stamp{display:inline-block;font-size:12px;font-weight:700;letter-spacing:3px;color:var(--paper-3);background:var(--green);padding:4px 12px;border-radius:20px;margin-bottom:16px;}
  .script .tone{font-size:14.5px;color:var(--green-soft);font-style:italic;margin-bottom:16px;line-height:1.7;}
  .script .say{font-size:19px;line-height:2;color:var(--ink);}

  .rebut{margin-bottom:34px;}
  .rebut-pair{border-top:1px solid var(--rule-soft);padding:18px 0;}
  .rebut-pair .q{font-size:17px;font-weight:600;color:var(--ink);margin-bottom:10px;letter-spacing:.5px;}
  .rebut-pair .q::before{content:"—— ";color:var(--muted-2);}
  .rebut-pair .a{font-size:16px;line-height:1.9;color:var(--ink-soft);}

  .caution{background:#f0ece0;border:1px dashed var(--gold-soft);border-radius:8px;padding:24px 28px;margin-bottom:36px;}
  .caution .ct{font-size:13px;font-weight:700;letter-spacing:3px;color:var(--gold);margin-bottom:12px;}
  .caution p{font-size:16px;line-height:1.9;color:var(--ink-soft);}

  .colophon-entry{border-top:1px solid var(--rule);padding-top:26px;display:grid;grid-template-columns:1fr 1fr;gap:32px;}
  .colophon-entry .cl-line{font-size:13.5px;color:var(--muted);line-height:1.9;letter-spacing:.5px;}
  .colophon-entry .cl-line .ct{color:var(--ink-soft);font-weight:600;}
  .colophon-entry .cl-line .dot{color:var(--gold);padding:0 .4em;}
  .mtitle{font-size:13px;font-weight:700;color:var(--green);letter-spacing:3px;margin-bottom:12px;}
  .revlog{list-style:none;}
  .revlog li{font-size:13.5px;color:var(--muted);line-height:2;letter-spacing:.5px;}
  .revlog li .rn{font-family:var(--latin);color:var(--gold);font-weight:600;margin-right:10px;font-size:14px;}
  .revlog li:last-child{color:var(--green);font-weight:600;}
  .mnote{grid-column:1/-1;background:var(--paper);border-left:3px solid var(--gold);padding:16px 20px;font-size:14.5px;color:var(--ink-soft);line-height:1.85;font-style:italic;letter-spacing:.3px;margin-top:8px;border-radius:0 6px 6px 0;}
  .read-on{grid-column:1/-1;margin-top:26px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;background:var(--paper-3);border:1px solid var(--gold-soft);border-radius:8px;padding:22px 28px;}
  .read-on .rot{font-size:16px;color:var(--ink-soft);line-height:1.7;letter-spacing:.3px;}
  .read-on .rot b{color:var(--green);font-weight:700;}
  .read-on a{white-space:nowrap;background:var(--green);color:var(--paper-3);padding:12px 24px;border-radius:4px;font-weight:600;font-size:15px;letter-spacing:2px;text-decoration:none;transition:background-color .2s ease;}
  .read-on a:hover{background:#25402e;}

  /* ================= 本体架构 TOC ================= */
  .index-head{max-width:760px;margin-bottom:64px;}
  .toc{display:flex;flex-direction:column;}
  .toc-group{padding:26px 0;border-top:1px solid var(--rule-soft);}
  .toc-group:first-child{border-top:none;}
  .toc-group-head{display:flex;align-items:baseline;gap:16px;margin-bottom:14px;}
  .toc-group-name{font-size:20px;font-weight:700;color:var(--green);letter-spacing:4px;}
  .toc-group-meta{font-size:14px;color:var(--muted);letter-spacing:1px;}
  .toc-row{display:grid;grid-template-columns:56px 1fr auto;align-items:baseline;gap:20px;padding:13px 14px;border-radius:6px;text-decoration:none;color:inherit;transition:background-color .18s ease,transform .18s ease;}
  .toc-row:hover{background:var(--paper-3);transform:translateX(4px);}
  .toc-no{font-family:var(--latin);font-size:19px;color:var(--muted-2);font-weight:500;letter-spacing:1px;}
  .toc-body{display:flex;align-items:baseline;gap:16px;flex-wrap:wrap;}
  .toc-name{font-size:21px;font-weight:600;letter-spacing:1px;}
  .toc-desc{font-size:15px;color:var(--muted);letter-spacing:.5px;}
  /* 登录后个人状态卡 */
  .me-card{margin-top:40px;padding:26px 30px;background:var(--paper-3);border:1px solid var(--gold-soft);border-radius:10px;max-width:640px;}
  .me-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:20px;}
  .me-hi{font-size:17px;color:var(--ink);}
  .me-hi b{color:var(--green);font-weight:700;}
  .me-logout{font-size:13px;color:var(--muted);text-decoration:none;letter-spacing:1px;border-bottom:1px solid transparent;}
  .me-logout:hover{color:var(--ink);border-bottom-color:var(--muted);}
  .me-stats{display:flex;gap:14px;flex-wrap:wrap;}
  .me-stat{flex:1;min-width:110px;text-decoration:none;background:#fff;border:1px solid var(--rule);border-radius:8px;padding:16px 14px;display:flex;flex-direction:column;gap:5px;transition:border-color .16s,transform .16s;}
  .me-stat:hover{border-color:var(--green);transform:translateY(-2px);}
  .me-num{font-family:var(--latin);font-size:30px;font-weight:600;color:var(--ink);line-height:1;}
  .me-lab{font-size:12px;color:var(--muted);letter-spacing:.5px;}
  .me-enter{display:inline-block;margin-top:18px;font-size:15px;font-weight:600;color:var(--green);text-decoration:none;letter-spacing:1px;}
  .me-enter:hover{text-decoration:underline;}
  .status{font-size:14px;font-weight:500;letter-spacing:2px;white-space:nowrap;display:flex;align-items:center;gap:8px;}
  .status .s-dot{width:7px;height:7px;border-radius:50%;flex:none;}
  .status.live{color:var(--green);font-weight:700;}
  .status.live .s-dot{background:var(--green);}
  .status.work{color:var(--gold);}
  .status.work .s-dot{background:var(--gold-soft);}
  .status.plan{color:var(--muted-2);}
  .status.plan .s-dot{border:1.4px solid var(--muted-2);}
  .toc-row.current{background:var(--paper-3);box-shadow:inset 3px 0 0 var(--green);}
  .toc-row.current .toc-name{color:var(--green);font-weight:700;}
  .toc-row.expandable{cursor:pointer;}
  .toc-caret{width:11px;height:11px;transition:transform .22s ease;opacity:.55;margin-left:9px;flex:none;}
  .toc-row.open .toc-caret{transform:rotate(180deg);}
  .toc-sublist{overflow:hidden;max-height:0;transition:max-height .3s ease;margin:0 0 0 56px;border-left:1.5px solid var(--rule-soft);}
  .toc-sublist.open{max-height:220px;}
  .toc-subrow{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 14px 12px 22px;text-decoration:none;color:inherit;border-radius:6px;transition:background-color .16s ease,transform .16s ease;}
  .toc-subrow:hover{background:var(--paper-3);transform:translateX(3px);}
  .toc-subrow .sn{font-size:18px;font-weight:600;letter-spacing:.5px;}
  .toc-subrow .sd{display:block;font-size:12.5px;color:var(--muted);margin-top:3px;letter-spacing:.3px;}
  @media(max-width:640px){.toc-sublist{margin-left:36px;}}
  .here-tag{font-family:var(--serif);font-size:12px;font-weight:700;letter-spacing:2px;color:var(--paper-3);background:var(--green);padding:3px 9px;border-radius:20px;}

  /* Xbenti apex */
  .apex{margin-top:40px;position:relative;}
  .apex-inner{background:var(--green);color:var(--paper-3);border-radius:10px;padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;overflow:hidden;position:relative;}
  .apex-mark{position:absolute;right:-10px;bottom:-60px;font-weight:900;font-size:200px;line-height:1;color:#fff;opacity:.05;font-family:var(--latin);font-style:italic;user-select:none;pointer-events:none;}
  .apex-l{position:relative;z-index:1;}
  .apex-kicker{font-size:13px;font-weight:600;letter-spacing:5px;color:var(--gold-soft);margin-bottom:16px;display:flex;align-items:center;gap:12px;}
  .apex-no{font-family:var(--latin);font-size:15px;opacity:.75;letter-spacing:1px;}
  .apex-name{font-size:34px;font-weight:900;letter-spacing:2px;margin-bottom:12px;line-height:1.2;}
  .apex-name .lat{font-family:var(--latin);font-style:italic;font-weight:600;letter-spacing:1px;}
  .apex-desc{font-size:17px;color:rgba(242,239,230,.82);max-width:430px;line-height:1.85;}
  .apex-r{position:relative;z-index:1;text-align:right;}
  .apex-badge{font-size:14px;font-weight:600;letter-spacing:3px;color:var(--gold-soft);border:1px solid rgba(193,166,120,.5);border-radius:30px;padding:9px 20px;white-space:nowrap;}

  /* ================= METHOD 怎么造的 ================= */
  .method-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:8px;}
  .mcard{background:var(--paper-3);border:1px solid var(--rule);border-radius:8px;padding:28px 26px;}
  .mcard .mn{font-family:var(--latin);font-size:15px;color:var(--gold);letter-spacing:1px;margin-bottom:14px;font-weight:600;}
  .mcard h4{font-size:19px;font-weight:700;color:var(--ink);letter-spacing:1px;margin-bottom:12px;}
  .mcard p{font-size:15px;line-height:1.85;color:var(--ink-soft);}
  .method-vow{margin-top:36px;background:var(--green);color:var(--paper-3);border-radius:8px;padding:32px 36px;font-size:19px;line-height:1.9;letter-spacing:.5px;}
  .method-vow b{color:#fff;font-weight:700;}

  /* ================= MEMBERSHIP ================= */
  .plans{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:8px;align-items:stretch;}
  .plan{background:var(--paper-3);border:1px solid var(--rule);border-radius:10px;padding:34px 30px;display:flex;flex-direction:column;position:relative;}
  .plan.featured{border:1.5px solid var(--green);box-shadow:0 8px 30px rgba(47,74,55,.12);}
  .plan-badge{position:absolute;top:-13px;left:30px;background:var(--green);color:var(--paper-3);font-size:12px;font-weight:700;letter-spacing:3px;padding:5px 14px;border-radius:20px;}
  .plan-name{font-size:20px;font-weight:700;color:var(--ink);letter-spacing:2px;margin-bottom:8px;}
  .plan-name .lat{font-family:var(--latin);font-style:italic;color:var(--green);}
  .plan-price{display:flex;align-items:baseline;gap:6px;margin-bottom:6px;}
  .plan-price .cur{font-size:18px;color:var(--ink-soft);}
  .plan-price .amt{font-family:var(--latin);font-size:40px;font-weight:600;color:var(--green);letter-spacing:.5px;}
  .plan-price .per{font-size:14px;color:var(--muted);letter-spacing:1px;}
  .plan-note{font-size:13.5px;color:var(--muted);letter-spacing:.5px;margin-bottom:22px;min-height:20px;}
  .plan-feats{list-style:none;flex:1;margin-bottom:26px;}
  .plan-feats li{font-size:15px;line-height:1.7;color:var(--ink-soft);padding:9px 0 9px 22px;position:relative;border-top:1px solid var(--rule-soft);}
  .plan-feats li:first-child{border-top:none;}
  .plan-feats li::before{content:"·";position:absolute;left:6px;color:var(--gold);font-weight:700;font-size:18px;line-height:1.4;}
  .plan-feats li b{color:var(--ink);font-weight:600;}
  .plan-cta{display:block;text-align:center;padding:13px;border-radius:4px;font-weight:600;font-size:15px;letter-spacing:2px;text-decoration:none;transition:background-color .2s ease,color .2s ease;}
  .plan-cta.solid{background:var(--green);color:var(--paper-3);}
  .plan-cta.solid:hover{background:#25402e;}
  .plan-cta.ghost{border:1.4px solid var(--green);color:var(--green);}
  .plan-cta.ghost:hover{background:var(--green);color:var(--paper-3);}
  .plans-honest{margin-top:34px;background:var(--paper);border-left:3px solid var(--gold);border-radius:0 6px 6px 0;padding:24px 28px;max-width:820px;}
  .plans-honest p{font-size:16px;line-height:1.95;color:var(--ink-soft);letter-spacing:.3px;}
  .plans-honest p b{color:var(--green);font-weight:600;}
  .plans-honest p+p{margin-top:12px;}

  /* ================= FOOTER ================= */
  .foot{padding:56px 0 72px;}
  .foot-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;border-top:1px solid var(--rule);padding-top:34px;}
  .foot-brand{display:flex;align-items:center;gap:14px;}
  .foot-seal{width:38px;height:38px;border:1.3px solid var(--green);border-radius:6px;color:var(--green);writing-mode:vertical-rl;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:10px;letter-spacing:2px;line-height:1;}
  .foot-txt{font-size:14px;color:var(--muted);letter-spacing:1px;line-height:1.6;}
  .foot-txt b{color:var(--ink-soft);font-weight:600;}
  .foot-note{font-size:13px;color:var(--muted-2);letter-spacing:2px;}

  /* ================= RESPONSIVE ================= */
  @media(max-width:820px){
    .wrap{padding:0 24px;}
    .nav{padding:22px 0 18px;flex-wrap:wrap;}
    .nav-toggle{display:flex;}
    .nav-links{display:none;width:100%;flex-direction:column;align-items:stretch;gap:2px;margin-top:16px;}
    .nav-links.open{display:flex;}
    .nav-item{width:100%;}
    .nav-item>a{padding:12px 6px;font-size:16px;}
    .dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;background:var(--paper);min-width:0;margin:2px 0 8px;padding:4px;}
    .dropdown.right{right:auto;}
    .nav-item>a .caret{margin-left:auto;}
    .nav-cta{margin-left:0;margin-top:8px;justify-content:center;}
    .nav-login{margin-top:8px;justify-content:center;}
    .nav-user{margin-top:8px;justify-content:center;}
    .brand-name{font-size:22px;letter-spacing:4px;}
    .hero{padding:60px 0 24px;}
    .hero-mark{font-size:130px;top:20px;right:-14px;}
    .headline{margin-bottom:32px;}
    .lede{font-size:19px;line-height:1.95;}
    .stats{gap:26px;}
    .sec{padding:72px 0 24px;}
    .entry{grid-template-columns:1fr;gap:24px;}
    .entry-meta{position:static;flex-direction:row;flex-wrap:wrap;gap:20px;}
    .colophon-entry{grid-template-columns:1fr;gap:24px;}
    .method-grid{grid-template-columns:1fr;}
    .plans{grid-template-columns:1fr;}
    .plan.featured{order:-1;}
    .toc-row{grid-template-columns:36px 1fr;gap:12px;}
    .toc-row .status{grid-column:2;margin-top:4px;}
    .apex-inner{padding:32px 26px;}
    .apex-name{font-size:26px;}
    .apex-r{text-align:left;width:100%;}
  }

  a:focus-visible,.brand:focus-visible{outline:2px solid var(--green);outline-offset:3px;border-radius:4px;}
  @media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important;}.toc-row:hover{transform:none;}}

/* ============================================================
   支柱详情页 · 通用布局（模板专用）
   ============================================================ */
/* 返回条：sticky，与主页顶栏一致的手法 */
.pd-topbar{position:sticky;top:0;z-index:50;background:rgba(233,229,216,.9);
  backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);
  border-bottom:1px solid transparent;transition:box-shadow .3s ease,border-color .3s ease;}
.pd-topbar.scrolled{border-bottom-color:var(--rule);box-shadow:0 6px 24px rgba(30,29,26,.07);}
.pd-topbar-in{max-width:1180px;margin:0 auto;padding:16px 56px;display:flex;align-items:center;justify-content:space-between;gap:20px;}
.pd-back{display:inline-flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink-soft);
  font-size:14px;font-weight:600;letter-spacing:1px;transition:color .2s ease;}
.pd-back:hover{color:var(--green);}
.pd-back .seal-mini{width:38px;height:38px;flex:none;background:#a83227;border-radius:4px;padding:2px;
  box-shadow:inset 0 0 0 1.2px rgba(255,255,255,.28);overflow:hidden;}
.pd-back .seal-mini svg{display:block;width:100%;height:100%;}
.pd-back-arrow{transition:transform .2s ease;}
.pd-back:hover .pd-back-arrow{transform:translateX(-4px);}
.pd-topnav{display:flex;gap:8px;align-items:center;font-size:13px;color:var(--muted);letter-spacing:1px;}
.pd-topnav .pd-seq{font-family:var(--latin);color:var(--gold);font-weight:600;}

/* Hero：支柱大标题 */
.pd-hero{position:relative;overflow:hidden;background:var(--green);color:var(--paper-3);}
.pd-hero-in{max-width:1180px;margin:0 auto;padding:96px 56px 80px;position:relative;z-index:2;}
.pd-hero .pd-ghost{position:absolute;right:-2vw;top:50%;transform:translateY(-50%);z-index:1;
  font-size:clamp(120px,22vw,300px);font-weight:900;letter-spacing:10px;line-height:1;white-space:nowrap;
  color:#fff;opacity:.05;pointer-events:none;user-select:none;}
.pd-eyebrow{display:inline-flex;align-items:center;gap:14px;margin-bottom:26px;
  font-size:13px;font-weight:700;letter-spacing:5px;color:var(--gold-soft);}
.pd-eyebrow::before{content:"";width:40px;height:1px;background:var(--gold-soft);opacity:.7;}
.pd-title{font-size:clamp(40px,6vw,72px);font-weight:900;letter-spacing:2px;line-height:1.12;margin-bottom:24px;color:#fff;}
.pd-lede{font-size:clamp(18px,2vw,21px);line-height:1.8;color:rgba(244,236,224,.9);max-width:640px;}
.pd-lede b{color:#fff;font-weight:600;}

/* 内容区块 */
.pd-section{padding:80px 0;}
.pd-section.band{background:var(--paper-2);border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);}
.pd-wrap{max-width:1180px;margin:0 auto;padding:0 56px;}
.pd-narrow{max-width:720px;}
.pd-kicker{display:flex;align-items:center;gap:12px;font-size:13px;font-weight:700;color:var(--green);letter-spacing:4px;margin-bottom:22px;}
.pd-kicker .dot{width:6px;height:6px;border-radius:50%;background:var(--gold);flex:none;}
.pd-h2{font-size:clamp(28px,4vw,44px);font-weight:900;line-height:1.25;letter-spacing:1px;margin-bottom:20px;}
.pd-h2 em{font-style:normal;color:var(--green);}
.pd-p{font-size:17px;line-height:1.95;color:var(--ink-soft);margin-bottom:16px;}
.pd-p b{color:var(--ink);font-weight:600;}

/* 底部 CTA */
.pd-cta{background:var(--green);color:var(--paper-3);text-align:center;padding:80px 56px;}
.pd-cta h3{font-size:clamp(26px,3.4vw,40px);font-weight:900;letter-spacing:1px;color:#fff;margin-bottom:18px;}
.pd-cta p{font-size:17px;color:rgba(244,236,224,.82);max-width:520px;margin:0 auto 32px;line-height:1.8;}
.pd-cta-row{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}
.pd-btn{display:inline-flex;align-items:center;gap:10px;padding:14px 30px;border-radius:3px;
  font-size:16px;font-weight:600;letter-spacing:2px;text-decoration:none;transition:all .25s ease;border:1px solid;}
.pd-btn-primary{background:var(--paper-3);color:var(--green);border-color:var(--paper-3);}
.pd-btn-primary:hover{background:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(0,0,0,.2);}
.pd-btn-ghost{background:transparent;color:var(--paper-3);border-color:rgba(244,236,224,.4);}
.pd-btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08);}
.pd-btn .arw{transition:transform .2s ease;}
.pd-btn:hover .arw{transform:translateX(4px);}

/* 上一根/下一根 支柱导航 */
.pd-pager{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--rule);border-top:1px solid var(--rule);}
.pd-pager a{background:var(--paper);padding:32px 56px;text-decoration:none;color:inherit;transition:background-color .2s ease;}
.pd-pager a:hover{background:var(--paper-3);}
.pd-pager a.next{text-align:right;}
.pd-pager .pl{font-size:12px;color:var(--muted);letter-spacing:2px;margin-bottom:8px;}
.pd-pager .pn{font-size:20px;font-weight:700;color:var(--green);letter-spacing:2px;}
@media(max-width:720px){
  .pd-topbar-in,.pd-hero-in,.pd-wrap,.pd-cta{padding-left:24px;padding-right:24px;}
  .pd-pager a{padding:24px;}
  .pd-section{padding:56px 0;}
}

/* ============================================================
   /01 科学理论 · 文献库专属
   ============================================================ */
.th-count{display:flex;align-items:baseline;gap:18px;margin:10px 0 30px;flex-wrap:wrap;}
.th-count .big{font-family:var(--latin);font-size:clamp(72px,12vw,150px);font-weight:600;line-height:.9;color:#fff;letter-spacing:-2px;}
.th-count .cap{font-size:16px;color:rgba(244,236,224,.82);letter-spacing:1px;line-height:1.6;max-width:22ch;}
/* 学科分布小柱 */
.th-dist{display:flex;gap:4px;align-items:flex-end;height:56px;margin-top:20px;flex-wrap:wrap;}
.th-dist .bar{display:flex;flex-direction:column;align-items:center;gap:6px;}
.th-dist .bar i{display:block;width:34px;background:var(--gold-soft);border-radius:2px 2px 0 0;opacity:.85;transition:height .6s var(--ease,ease);}
.th-dist .bar span{font-size:10px;color:rgba(244,236,224,.6);letter-spacing:.5px;white-space:nowrap;}

/* 工具条：搜索 + 筛选 */
.th-tools{display:flex;gap:14px;align-items:center;margin-bottom:24px;flex-wrap:wrap;}
.th-search{flex:1;min-width:220px;position:relative;}
.th-search input{width:100%;padding:13px 16px 13px 42px;border:1.5px solid var(--rule);border-radius:6px;
  background:var(--surface,#fff);font-family:var(--serif);font-size:15px;color:var(--ink);letter-spacing:.5px;transition:border-color .2s ease;}
.th-search input:focus{outline:none;border-color:var(--green);}
.th-search svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:17px;height:17px;color:var(--muted-2);}
.th-filters{display:flex;gap:8px;flex-wrap:wrap;}
.th-chip{font-size:13px;font-weight:600;letter-spacing:.5px;padding:8px 15px;border-radius:20px;
  border:1.5px solid var(--rule);background:transparent;color:var(--ink-soft);cursor:pointer;transition:all .2s ease;}
.th-chip:hover{border-color:var(--green-soft);color:var(--green);}
.th-chip.on{background:var(--green);border-color:var(--green);color:var(--paper-3);}

.th-meta{font-size:13.5px;color:var(--muted);letter-spacing:.5px;margin-bottom:14px;}
/* 文献列表 */
.th-list{display:flex;flex-direction:column;}
.th-row{display:grid;grid-template-columns:78px 1fr auto;gap:22px;align-items:start;
  padding:22px 6px;border-top:1px solid var(--rule-soft);text-decoration:none;color:inherit;transition:background-color .18s ease;}
.th-row:hover{background:var(--paper-3);}
.th-row:last-child{border-bottom:1px solid var(--rule-soft);}
.th-id{font-family:var(--latin);font-size:14px;color:var(--gold);font-weight:600;letter-spacing:1px;padding-top:2px;}
.th-main{min-width:0;}
.th-t{font-size:17.5px;font-weight:600;color:var(--ink);letter-spacing:.3px;line-height:1.45;margin-bottom:6px;}
.th-sub{font-size:13px;color:var(--muted);letter-spacing:.5px;margin-bottom:8px;}
.th-take{font-size:14.5px;color:var(--ink-soft);line-height:1.7;max-width:60ch;}
.th-tags{display:flex;gap:7px;flex-direction:column;align-items:flex-end;flex:none;}
.th-tag{font-size:11px;font-weight:700;letter-spacing:1px;padding:3px 9px;border-radius:14px;white-space:nowrap;}
.th-tag.field{color:var(--green);background:rgba(47,74,55,.1);}
.th-tag.pillar{color:var(--gold);background:rgba(169,138,88,.12);}
.th-ext{font-size:12px;color:var(--muted-2);letter-spacing:1px;display:inline-flex;align-items:center;gap:4px;margin-top:4px;}
.th-row:hover .th-ext{color:var(--green);}
.th-empty{padding:60px 0;text-align:center;color:var(--muted);font-size:16px;letter-spacing:1px;}
@media(max-width:720px){
  .th-row{grid-template-columns:1fr;gap:8px;}
  .th-tags{flex-direction:row;align-items:center;}
}

/* ============================================================
   类型B · 大断言型（/02 精钢底架 · /04 工具信仰）
   ============================================================ */
/* 认知钢条墙 */
.creed{display:flex;flex-direction:column;gap:18px;}
.creed-bar{position:relative;display:grid;grid-template-columns:auto 1fr auto;gap:24px;align-items:center;
  background:var(--surface,#fff);border:1px solid var(--rule);border-left:4px solid var(--gold);border-radius:8px;
  padding:28px 30px;text-decoration:none;color:inherit;overflow:hidden;
  transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;}
.creed-bar:hover{border-color:var(--green);border-left-color:var(--green);transform:translateX(6px);box-shadow:0 12px 30px rgba(30,29,26,.08);}
.creed-no{font-family:var(--latin);font-size:30px;font-weight:600;color:var(--gold);letter-spacing:1px;line-height:1;flex:none;}
.creed-mid{min-width:0;}
.creed-say{font-size:clamp(20px,2.6vw,27px);font-weight:800;color:var(--ink);letter-spacing:.5px;line-height:1.4;}
.creed-say b{color:var(--green);}
.creed-note{font-size:14.5px;color:var(--muted);letter-spacing:.5px;margin-top:8px;line-height:1.6;}
.creed-act{flex:none;display:flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:1px;white-space:nowrap;}
.creed-act.live{color:var(--green);}
.creed-act.soon{color:var(--muted-2);}
.creed-act .rd{width:30px;height:30px;border-radius:50%;border:1.5px solid currentColor;display:grid;place-items:center;transition:background-color .2s ease,color .2s ease;}
.creed-bar:hover .creed-act.live .rd{background:var(--green);color:var(--paper-3);}
.creed-act .rd svg{width:15px;height:15px;}
@media(max-width:720px){
  .creed-bar{grid-template-columns:auto 1fr;gap:14px;padding:22px;}
  .creed-act{grid-column:2;justify-self:start;margin-top:4px;}
}

/* 独立宣言（/04 工具信仰）*/
.manifesto{background:var(--ink);color:var(--paper-3);border-radius:14px;padding:clamp(40px,6vw,80px);position:relative;overflow:hidden;}
.manifesto::before{content:"“";position:absolute;top:-20px;left:24px;font-family:var(--latin);font-size:200px;color:var(--gold);opacity:.12;line-height:1;}
.manifesto .m-eyebrow{font-size:13px;font-weight:700;letter-spacing:5px;color:var(--gold-soft);margin-bottom:24px;position:relative;z-index:1;}
.manifesto .m-vow{font-size:clamp(24px,3.6vw,40px);font-weight:800;line-height:1.5;letter-spacing:.5px;color:#fff;position:relative;z-index:1;}
.manifesto .m-vow b{color:var(--gold-soft);}
.manifesto .m-sign{margin-top:32px;font-size:15px;color:rgba(244,236,224,.7);letter-spacing:2px;position:relative;z-index:1;}

/* 逻辑链（生产力→…→人生）*/
.chain{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin:8px 0 12px;}
.chain span{font-size:clamp(15px,2vw,19px);font-weight:700;color:var(--green);letter-spacing:1px;}
.chain i{color:var(--gold);font-style:normal;font-size:18px;}

/* 工具三分类卡 */
.tools-grid{display:grid;gap:20px;grid-template-columns:1fr;}
@media(min-width:768px){.tools-grid{grid-template-columns:repeat(3,1fr);}}
.tool-card{background:var(--surface,#fff);border:1px solid var(--rule);border-radius:10px;padding:30px 28px;transition:border-color .25s ease,transform .25s ease;}
.tool-card:hover{border-color:var(--green);transform:translateY(-4px);}
.tool-ico{width:46px;height:46px;border-radius:8px;background:var(--accent-10,rgba(47,74,55,.1));color:var(--green);display:grid;place-items:center;margin-bottom:18px;font-size:22px;}
.tool-card h4{font-size:20px;font-weight:700;color:var(--ink);letter-spacing:1px;margin-bottom:10px;}
.tool-card p{font-size:15px;color:var(--ink-soft);line-height:1.75;}

/* ============================================================
   类型C · 叙事/画廊型（/03 强心玩好 · /07 探索未知）
   ============================================================ */
/* 大引语块 */
.saying{border-left:3px solid var(--gold);padding:6px 0 6px 28px;margin:8px 0 4px;}
.saying .q{font-size:clamp(22px,3.2vw,34px);font-weight:700;color:var(--ink);line-height:1.5;letter-spacing:.5px;}
.saying .q b{color:var(--green);}
.saying .who{margin-top:14px;font-size:13px;letter-spacing:3px;color:var(--gold);font-weight:700;}

/* 两栏对照（心气高+目标明）*/
.duo{display:grid;gap:20px;grid-template-columns:1fr;margin-top:10px;}
@media(min-width:700px){.duo{grid-template-columns:1fr 1fr;}}
.duo-card{background:var(--surface,#fff);border:1px solid var(--rule);border-radius:10px;padding:30px 28px;}
.duo-card .dk{font-size:13px;font-weight:700;letter-spacing:3px;color:var(--green);margin-bottom:12px;}
.duo-card h4{font-size:22px;font-weight:800;color:var(--ink);letter-spacing:1px;margin-bottom:10px;}
.duo-card p{font-size:15px;color:var(--ink-soft);line-height:1.75;}

/* “我们玩什么” 画廊 */
.play-grid{display:grid;gap:22px;grid-template-columns:1fr;margin-top:8px;}
@media(min-width:720px){.play-grid{grid-template-columns:repeat(3,1fr);}}
.play-card{border:1px solid var(--rule);border-radius:12px;overflow:hidden;background:var(--surface,#fff);
  transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;}
.play-card:hover{border-color:var(--green);transform:translateY(-4px);box-shadow:0 16px 40px rgba(30,29,26,.1);}
.play-media{aspect-ratio:4/3;background:linear-gradient(135deg,var(--green),#25402e);display:grid;place-items:center;position:relative;overflow:hidden;}
.play-media img{width:100%;height:100%;object-fit:cover;}
.play-media .ph{color:rgba(244,236,224,.5);font-size:12px;letter-spacing:3px;font-weight:600;text-align:center;line-height:1.9;}
.play-media .tag{position:absolute;top:12px;left:12px;font-size:11px;font-weight:700;letter-spacing:1px;padding:4px 10px;border-radius:16px;background:rgba(30,29,26,.55);color:var(--paper-3);backdrop-filter:blur(4px);}
.play-body{padding:22px 22px 26px;}
.play-body h4{font-size:19px;font-weight:700;color:var(--ink);letter-spacing:.5px;margin-bottom:9px;}
.play-body p{font-size:14.5px;color:var(--muted);line-height:1.7;}

/* 推荐条（电视剧等）*/
.rec{display:flex;align-items:center;gap:22px;background:var(--paper-3);border:1px solid var(--gold-soft);
  border-radius:10px;padding:24px 28px;flex-wrap:wrap;}
.rec-ico{width:52px;height:52px;border-radius:8px;background:var(--gold);color:#fff;display:grid;place-items:center;font-size:24px;flex:none;}
.rec-main{flex:1;min-width:200px;}
.rec-main .rt{font-size:12px;font-weight:700;letter-spacing:2px;color:var(--gold);margin-bottom:6px;}
.rec-main h4{font-size:19px;font-weight:700;color:var(--ink);letter-spacing:.5px;margin-bottom:6px;}
.rec-main p{font-size:14.5px;color:var(--ink-soft);line-height:1.7;}

/* 协同学三词（开放·协同·突变）*/
.syn{display:grid;gap:18px;grid-template-columns:1fr;margin-top:8px;}
@media(min-width:768px){.syn{grid-template-columns:repeat(3,1fr);}}
.syn-card{background:var(--surface,#fff);border:1px solid var(--rule);border-top:3px solid var(--green);border-radius:10px;padding:30px 26px;transition:transform .25s ease,box-shadow .25s ease;}
.syn-card:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(30,29,26,.09);}
.syn-card .sw{font-size:26px;font-weight:900;color:var(--green);letter-spacing:4px;margin-bottom:12px;}
.syn-card .sl{font-family:var(--latin);font-size:13px;color:var(--gold);letter-spacing:2px;margin-bottom:14px;text-transform:uppercase;}
.syn-card p{font-size:15px;color:var(--ink-soft);line-height:1.75;}

/* ============================================================
   类型D · 交互系统型（/05 错题阶梯 · /06 学科系统）
   ============================================================ */
/* ---- 错题阶梯 ---- */
.ladder-wrap{display:grid;grid-template-columns:280px 1fr;gap:40px;align-items:start;}
@media(max-width:820px){.ladder-wrap{grid-template-columns:1fr;gap:24px;}}
.ladder{position:relative;padding-left:10px;}
.ladder::before{content:"";position:absolute;left:22px;top:12px;bottom:12px;width:2px;background:var(--rule);}
.rung{position:relative;display:flex;align-items:center;gap:16px;padding:12px 14px;border-radius:8px;cursor:pointer;
  text-decoration:none;color:inherit;transition:background-color .2s ease;margin-bottom:4px;}
.rung:hover{background:var(--paper-3);}
.rung.on{background:var(--green);}
.rung.on .rung-name{color:var(--paper-3);}
.rung.on .rung-meta{color:var(--gold-soft);}
.rung-dot{width:26px;height:26px;border-radius:50%;background:var(--paper);border:2px solid var(--gold);flex:none;
  display:grid;place-items:center;font-size:12px;font-weight:700;color:var(--green);position:relative;z-index:1;font-family:var(--latin);}
.rung.on .rung-dot{background:var(--gold);color:var(--green);border-color:var(--gold);}
.rung-name{font-size:16px;font-weight:600;color:var(--ink);letter-spacing:.5px;}
.rung-meta{font-size:12.5px;color:var(--muted);letter-spacing:.5px;margin-top:2px;}
/* 右侧：某级下的二级文档 */
.docs-head{display:flex;align-items:baseline;gap:14px;margin-bottom:18px;padding-bottom:16px;border-bottom:1px solid var(--rule);}
.docs-head .dh-grade{font-size:22px;font-weight:800;color:var(--green);letter-spacing:2px;}
.docs-head .dh-meta{font-size:13px;color:var(--muted);letter-spacing:1px;}
.doc-row{display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:center;padding:15px 16px;border:1px solid var(--rule);
  border-radius:8px;margin-bottom:10px;text-decoration:none;color:inherit;background:var(--surface,#fff);transition:border-color .2s ease,transform .2s ease;}
.doc-row:hover{border-color:var(--green);transform:translateX(4px);}
.doc-date{font-family:var(--latin);font-size:13px;color:var(--gold);font-weight:600;letter-spacing:.5px;white-space:nowrap;}
.doc-name{min-width:0;}
.doc-name .dn{font-size:15.5px;font-weight:600;color:var(--ink);letter-spacing:.5px;}
.doc-name .du{font-size:12.5px;color:var(--muted);letter-spacing:.5px;margin-top:2px;}
.doc-lock{font-size:11px;font-weight:700;letter-spacing:1px;color:var(--muted-2);display:flex;align-items:center;gap:5px;white-space:nowrap;}
.doc-lock svg{width:13px;height:13px;}

/* ---- 沉浸模式（分屏预览）---- */
.immerse-demo{border:1px solid var(--rule);border-radius:12px;overflow:hidden;margin-top:8px;box-shadow:0 16px 40px rgba(30,29,26,.08);}
.immerse-bar{background:var(--ink);color:var(--paper-3);padding:12px 20px;display:flex;align-items:center;justify-content:space-between;font-size:13px;letter-spacing:1px;}
.immerse-bar .ib-tag{color:var(--gold-soft);font-weight:700;letter-spacing:2px;}
.immerse-split{display:grid;grid-template-columns:1fr 1fr;min-height:300px;}
@media(max-width:720px){.immerse-split{grid-template-columns:1fr;}}
.immerse-pane{padding:26px 24px;}
.immerse-pane.left{background:var(--paper-2);border-right:1px solid var(--rule);}
.immerse-pane .ip-label{font-size:11px;font-weight:700;letter-spacing:2px;color:var(--muted);margin-bottom:14px;text-transform:uppercase;}
.immerse-pane.right{background:var(--surface,#fff);}
.immerse-pane.right .ip-label{color:var(--green);}
.ph-doc{border:1.5px dashed var(--rule-soft);border-radius:8px;padding:30px 20px;text-align:center;color:var(--muted-2);font-size:13px;letter-spacing:1px;line-height:2;}
.ph-lines span{display:block;height:9px;background:var(--rule-soft);border-radius:4px;margin-bottom:11px;}
.ph-lines span:nth-child(2){width:88%;}
.ph-lines span:nth-child(3){width:94%;}
.ph-lines span:nth-child(4){width:70%;}
.ph-lines span.gold{background:rgba(169,138,88,.3);width:60%;}

/* ---- 学科系统 · 金字塔 ---- */
.subj-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:32px;}
.subj-tab{font-size:14px;font-weight:600;letter-spacing:1px;padding:9px 18px;border-radius:22px;border:1.5px solid var(--rule);
  background:transparent;color:var(--ink-soft);cursor:pointer;transition:all .2s ease;}
.subj-tab:hover{border-color:var(--green-soft);color:var(--green);}
.subj-tab.on{background:var(--green);border-color:var(--green);color:var(--paper-3);}
.pyramid{display:flex;flex-direction:column;align-items:center;gap:12px;padding:10px 0;}
.pyr-tier{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;width:100%;}
.pearl{border-radius:10px;padding:18px 20px;text-align:center;transition:transform .25s ease,box-shadow .25s ease;cursor:default;min-width:120px;}
.pearl:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(30,29,26,.12);}
.pearl .pt{font-size:11px;letter-spacing:2px;opacity:.7;margin-bottom:5px;}
.pearl .pv{font-size:15px;font-weight:700;letter-spacing:.5px;}
.pearl.apex{background:var(--gold);color:#fff;min-width:200px;box-shadow:0 8px 24px rgba(169,138,88,.35);}
.pearl.core{background:var(--green);color:var(--paper-3);min-width:150px;}
.pearl.base{background:var(--surface,#fff);color:var(--ink);border:1px solid var(--rule);}
.pyr-note{text-align:center;font-size:13px;color:var(--muted);letter-spacing:1px;margin-top:16px;}

/* ---- 跨学科星座（复用 hero canvas 思路，纯静态 SVG 占位）---- */
.constel{background:var(--ink);border-radius:14px;padding:40px;position:relative;overflow:hidden;text-align:center;}
.constel svg{width:100%;height:auto;max-height:360px;}
.constel .c-cap{color:rgba(244,236,224,.7);font-size:14px;letter-spacing:1px;margin-top:18px;}

/* ============================================================
   滚动入场（仅 body.js-reveal 时生效；JS 失效则内容照常可见）
   ============================================================ */
body.js-reveal .pd-section{opacity:0;transform:translateY(26px);
  transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1);}
body.js-reveal .pd-section.in-view{opacity:1;transform:none;}
@media(prefers-reduced-motion:reduce){
  body.js-reveal .pd-section{opacity:1;transform:none;transition:none;}
}