/* =========================================================
   司马思课 · 哲学思想  —  Styles
   ========================================================= */

:root{
  --r:18px;
  --ease:cubic-bezier(.22,.68,.24,1);
}

/* ========== 晨曦 AURORA（默认 · 明亮清透） ========== */
html[data-theme="aurora"]{
  --c1:#7c5cff; --c2:#0fb9dd; --c3:#ffab3d; --c4:#ff5fb0;
  --accent:#0b8ea6;
  --grad:linear-gradient(100deg,#6d4bff,#0d8fb0 55%,#d98a12);
  --grad2:linear-gradient(100deg,#7c5cff,#12a6c4);

  --bg:#f4f7ff;
  --bg-2:#e9effb;
  --panel:rgba(255,255,255,.70);
  --panel-2:rgba(255,255,255,.92);
  --line:rgba(24,32,72,.09);
  --line-2:rgba(24,32,72,.17);
  --ink:#151b3a;
  --ink-2:#39416c;
  --muted:#69729d;

  --shadow:0 20px 48px rgba(40,55,120,.10);
  --glass:rgba(255,255,255,.72);
  --alt:rgba(255,255,255,.50);
  --foot:rgba(255,255,255,.55);
  --orb-op:.34;
  --glow-op:.20;
  --veil-line:rgba(124,92,255,.10);
  --veil:radial-gradient(1000px 620px at 50% -8%, rgba(124,92,255,.20), transparent 70%);
  --aurora:
    radial-gradient(900px 640px at 8% -6%, rgba(124,92,255,.20), transparent 60%),
    radial-gradient(840px 580px at 94% 4%, rgba(15,185,221,.18), transparent 62%),
    radial-gradient(780px 540px at 52% 62%, rgba(255,171,61,.14), transparent 66%);
}

/* ========== 暖阳 SAND（明亮温暖） ========== */
html[data-theme="sand"]{
  --c1:#e0603a; --c2:#c94f7c; --c3:#2fa08d; --c4:#b06de0;
  --accent:#b8456e;
  --grad:linear-gradient(100deg,#d0522a,#c2891c 55%,#21866f);
  --grad2:linear-gradient(100deg,#e0603a,#c94f7c);

  --bg:#fdf8f1;
  --bg-2:#f8eee1;
  --panel:rgba(255,255,255,.74);
  --panel-2:rgba(255,255,255,.94);
  --line:rgba(74,52,30,.10);
  --line-2:rgba(74,52,30,.18);
  --ink:#2b2018;
  --ink-2:#5a4736;
  --muted:#8b7660;

  --shadow:0 20px 48px rgba(140,95,50,.12);
  --glass:rgba(255,253,248,.78);
  --alt:rgba(255,255,255,.52);
  --foot:rgba(255,255,255,.58);
  --orb-op:.32;
  --glow-op:.20;
  --veil-line:rgba(224,96,58,.09);
  --veil:radial-gradient(1000px 620px at 50% -8%, rgba(255,168,80,.22), transparent 70%);
  --aurora:
    radial-gradient(900px 640px at 6% -6%, rgba(255,168,80,.26), transparent 60%),
    radial-gradient(840px 580px at 96% 4%, rgba(201,79,124,.15), transparent 62%),
    radial-gradient(780px 540px at 50% 64%, rgba(47,160,141,.14), transparent 66%);
}

/* ========== 星夜 NIGHT（柔和暗色，非纯黑） ========== */
html[data-theme="night"]{
  --c1:#9a7bff; --c2:#31e2f7; --c3:#ffc861; --c4:#ff7fd0;
  --accent:#31e2f7;
  --grad:linear-gradient(100deg,#9a7bff,#31e2f7 55%,#ffc861);
  --grad2:linear-gradient(100deg,#9a7bff,#31e2f7);

  --bg:#0e142c;
  --bg-2:#141b3c;
  --panel:rgba(255,255,255,.055);
  --panel-2:rgba(255,255,255,.085);
  --line:rgba(255,255,255,.11);
  --line-2:rgba(255,255,255,.20);
  --ink:#eaeeff;
  --ink-2:#c0c7ea;
  --muted:#949cc6;

  --shadow:0 24px 58px rgba(0,0,0,.42);
  --glass:rgba(16,22,48,.70);
  --alt:rgba(255,255,255,.035);
  --foot:rgba(20,27,60,.55);
  --orb-op:.42;
  --glow-op:.28;
  --veil-line:rgba(154,123,255,.07);
  --veil:radial-gradient(1000px 620px at 50% -8%, rgba(154,123,255,.24), transparent 70%);
  --aurora:
    radial-gradient(900px 640px at 8% -6%, rgba(154,123,255,.26), transparent 60%),
    radial-gradient(840px 580px at 94% 4%, rgba(49,226,247,.16), transparent 62%),
    radial-gradient(780px 540px at 52% 62%, rgba(255,200,97,.10), transparent 66%);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  position:relative;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans CN",system-ui,-apple-system,sans-serif;
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  transition:background .45s var(--ease), color .45s var(--ease);
}
/* 全局极光底色（固定在视口，随主题切换） */
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:var(--aurora);
  transition:background .5s var(--ease);
}

img{max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3{margin:0;line-height:1.25;letter-spacing:.02em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}

.wrap{width:min(1180px,92vw);margin-inline:auto}
.muted{color:var(--muted)}
.grad{
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
/* 声明 data-no-split 的渐变文字不参与逐字拆分（拆分会让 background-clip:text 失效），
   改为跟随标题整体入场 */
.split .grad[data-no-split]{
  display:inline-block;
  transition:opacity .7s var(--ease),transform .9s var(--ease);
}
html.js-ready .split:not(.in) .grad[data-no-split]{opacity:0;transform:translateY(26px)}

/* ---------- scroll progress ---------- */
.scroll-progress{position:fixed;top:0;left:0;right:0;height:2px;z-index:120;background:transparent}
.scroll-progress i{
  display:block;height:100%;width:0%;
  background:linear-gradient(90deg,var(--c1),var(--c2),var(--c3));
  box-shadow:0 0 14px rgba(139,108,255,.7);
}

/* ---------- cursor glow ---------- */
.cursor-glow{
  position:fixed;top:0;left:0;width:520px;height:520px;border-radius:50%;
  pointer-events:none;z-index:0;transform:translate(-50%,-50%);
  background:radial-gradient(circle,rgba(139,108,255,.16),rgba(37,224,245,.08) 45%,transparent 68%);
  opacity:0;transition:opacity .4s;
}
@media (hover:hover){ .cursor-glow{opacity:1} }

/* =====================  NAV  ===================== */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:110;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px max(24px,4vw);
  transition:background .35s, backdrop-filter .35s, border-color .35s, padding .35s;
  border-bottom:1px solid transparent;
}
.nav.stuck{
  background:var(--glass);
  backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid var(--line);
  padding-top:9px;padding-bottom:9px;
}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{width:34px;height:34px;display:block}
.brand-mark svg{width:100%;height:100%;animation:spin 22s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text b{font-size:17px;letter-spacing:.16em}
.brand-text em{font-size:9.5px;letter-spacing:.28em;color:var(--muted);font-style:normal}

.nav-links{display:flex;gap:26px}
.nav-links a{
  position:relative;font-size:14px;color:var(--ink-2);
  padding:4px 0;transition:color .25s;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:-2px;height:1.5px;width:0;
  background:linear-gradient(90deg,var(--c1),var(--c2));transition:width .3s var(--ease);
}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-links a.active{color:var(--ink)}

.nav-tools{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;cursor:pointer;
  background:var(--panel);border:1px solid var(--line);color:var(--ink-2);
  transition:.25s;
}
.icon-btn:hover{border-color:var(--line-2);color:var(--ink);transform:translateY(-2px)}
.icon-btn svg{width:18px;height:18px}
html[data-theme="night"] .ico-sun{display:none}
html:not([data-theme="night"]) .ico-moon{display:none}
.burger{display:none;width:38px;height:38px;border-radius:12px;background:var(--panel);border:1px solid var(--line);cursor:pointer}
.burger i{display:block;width:16px;height:1.6px;margin:3px auto;background:var(--ink);border-radius:2px;transition:.3s}

/* =====================  HERO  ===================== */
.hero{
  position:relative;min-height:100svh;display:grid;place-items:center;
  padding:120px 0 80px;overflow:hidden;
}
#netCanvas{position:absolute;inset:0;width:100%;height:100%;z-index:0}
.grid-veil{
  position:absolute;inset:0;z-index:1;pointer-events:none;
  background:
    linear-gradient(var(--veil-line) 1px, transparent 1px) 0 0/64px 64px,
    linear-gradient(90deg, var(--veil-line) 1px, transparent 1px) 0 0/64px 64px,
    var(--veil);
  mask-image:radial-gradient(80% 70% at 50% 40%, #000 30%, transparent 100%);
  -webkit-mask-image:radial-gradient(80% 70% at 50% 40%, #000 30%, transparent 100%);
}
.orb{position:absolute;border-radius:50%;filter:blur(72px);opacity:var(--orb-op);z-index:0;pointer-events:none}
.orb-a{width:520px;height:520px;background:var(--c1);top:-140px;left:-120px;animation:float 16s ease-in-out infinite}
.orb-b{width:460px;height:460px;background:var(--c2);bottom:-160px;right:-100px;animation:float 20s ease-in-out infinite reverse}
.orb-c{width:340px;height:340px;background:var(--c4);top:34%;right:12%;opacity:calc(var(--orb-op) * .62);animation:float 24s ease-in-out infinite}
@keyframes float{50%{transform:translate3d(40px,-36px,0) scale(1.08)}}

.hero-inner{position:relative;z-index:2;text-align:center;width:min(1240px,92vw)}
.hero-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,.62fr);align-items:center;gap:clamp(28px,5vw,76px);width:100%}
.hero-copy{min-width:0;text-align:center}
.hero-copy .hero-desc{max-width:670px}
.hero-poster{position:relative;justify-self:end;width:min(100%,430px);margin:0;overflow:hidden;border-radius:20px;background:var(--panel);border:1px solid var(--line-2);box-shadow:0 28px 70px rgba(29,36,82,.2),0 0 0 8px color-mix(in srgb,var(--panel) 60%,transparent);}
.hero-poster::after{content:"";position:absolute;inset:0;pointer-events:none;border-radius:inherit;background:linear-gradient(145deg,rgba(255,255,255,.14),transparent 28%,transparent 78%,rgba(124,92,255,.10))}
.hero-poster img{display:block;width:100%;height:auto;max-height:min(76svh,780px);object-fit:contain;object-position:center top}

.badge{
  display:inline-flex;align-items:center;gap:9px;
  padding:7px 16px;border-radius:999px;font-size:12.5px;letter-spacing:.08em;
  background:var(--panel);border:1px solid var(--line);color:var(--ink-2);
  backdrop-filter:blur(8px);
}
.badge .dot{width:6px;height:6px;border-radius:50%;background:var(--c2);box-shadow:0 0 10px var(--c2);animation:pulse 1.8s infinite}
@keyframes pulse{50%{opacity:.35;transform:scale(.75)}}

.hero-title{margin:26px 0 8px;font-size:clamp(46px,9vw,104px);font-weight:800;letter-spacing:.06em}
.hero-title .t-line{display:block}
.hero-title .grad{letter-spacing:.1em}
/* 首页标题使用清晰端正的楷体，回到轻盈的品牌渐变，不做浮雕笔画 */
.hero-title-gold{display:grid;justify-items:center;gap:0;font-family:"KaiTi","楷体","STKaiti","华文楷体",serif;line-height:1.14;}
.hero-title-gold .hero-title-brand{
  font-size:clamp(54px,8vw,88px);font-weight:600;letter-spacing:.18em;padding-left:.18em;
  color:var(--ink);text-shadow:none;
}
.hero-title-gold .hero-title-brand .ch{color:inherit;-webkit-text-fill-color:currentColor;background:none;-webkit-text-stroke:0;filter:none;text-shadow:none}
.hero-title-gold .hero-title-main{
  margin-top:0;font-size:clamp(64px,10vw,112px);font-weight:700;letter-spacing:.12em;padding-left:.12em;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent;
  -webkit-text-stroke:0;filter:none;text-shadow:none;
}
.hero-title .ch{
  display:inline-block;opacity:1;transform:none;
  animation:chIn .9s var(--ease) backwards;
}
.hero-title .ch:nth-child(1){animation-delay:.15s}
.hero-title .ch:nth-child(2){animation-delay:.27s}
.hero-title .ch:nth-child(3){animation-delay:.39s}
.hero-title .ch:nth-child(4){animation-delay:.51s}
.hero-title .grad{
  opacity:1;transform:none;
  animation:chIn .9s var(--ease) .68s backwards;
}
@keyframes chIn{from{opacity:0;transform:translateY(28px)} to{opacity:1;transform:none}}

.hero-en{margin-top:14px;font-size:11.5px;letter-spacing:.42em;color:var(--muted)}

.hero-typer{margin:24px auto 0;font-size:clamp(17px,2.4vw,23px);font-weight:600;min-height:1.6em;color:var(--ink)}
.caret{display:inline-block;width:2px;height:1.05em;background:var(--c2);vertical-align:-3px;margin-left:4px;animation:blink 1s steps(2) infinite}
@keyframes blink{50%{opacity:0}}

.hero-desc{max-width:660px;margin:18px auto 0;color:var(--ink-2);font-size:15.5px}
.hero-desc b{color:var(--ink)}
.hero-slogan{
  display:flex;align-items:center;justify-content:center;gap:clamp(10px,2vw,20px);
  margin:18px auto 0;font-family:"STXingkai","华文行楷","KaiTi","楷体","Microsoft YaHei",serif;
  font-size:clamp(22px,3.15vw,34px);font-weight:700;letter-spacing:.16em;line-height:1.5;
  color:#8e5a16;text-shadow:0 1px 0 rgba(255,255,255,.88),0 2px 0 rgba(177,121,34,.25),0 5px 11px rgba(110,73,22,.15);
}
.hero-slogan::before,.hero-slogan::after{
  content:"";width:clamp(20px,5vw,76px);height:1px;flex:none;
  background:linear-gradient(90deg,transparent,#c99b49 48%,transparent);
}
.hero-slogan::after{transform:scaleX(-1)}
.hero-slogan span{
  display:inline-block;padding:.03em .12em .08em;color:#925e17;-webkit-text-fill-color:#925e17;
  -webkit-text-stroke:.3px rgba(109,70,17,.48);
  text-shadow:0 -1px 0 rgba(255,248,220,.98),0 1px 0 rgba(239,214,159,.95),0 2px 0 rgba(176,121,37,.72),0 3px 0 rgba(124,79,20,.62),0 6px 8px rgba(102,68,24,.22);
  transform:skewX(-3deg);
}

.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:34px}
.btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 26px;border-radius:999px;font-size:14.5px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:.3s var(--ease);
}
.btn svg{width:17px;height:17px}
.btn-primary{
  background:var(--grad2);color:#fff;
  box-shadow:0 12px 30px color-mix(in srgb, var(--c1) 34%, transparent);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 42px color-mix(in srgb, var(--c1) 46%, transparent)}
.btn-ghost{background:var(--panel);border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--line-2);transform:translateY(-3px)}
.btn-mini{padding:9px 18px;font-size:13px;background:var(--panel);border-color:var(--line);color:var(--ink)}
.btn-mini:hover{border-color:var(--line-2)}

.hero-stats{
  display:flex;gap:clamp(20px,5vw,64px);justify-content:center;flex-wrap:wrap;margin-top:52px;
}
.stat{display:flex;flex-direction:column;align-items:center}
.stat b{
  font-size:clamp(26px,4vw,38px);font-weight:800;line-height:1;
  background:linear-gradient(120deg,var(--c1),var(--c2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat span{margin-top:7px;font-size:12px;letter-spacing:.16em;color:var(--muted)}

.scroll-hint{
  position:absolute;bottom:26px;left:50%;transform:translateX(-50%);
  z-index:3;font-size:11.5px;letter-spacing:.24em;color:var(--muted);
  display:flex;flex-direction:column;align-items:center;gap:9px;
}
.scroll-hint i{width:1px;height:36px;background:linear-gradient(var(--c2),transparent);animation:drop 1.8s infinite}
@keyframes drop{0%{transform:scaleY(0);transform-origin:top}60%{transform:scaleY(1);transform-origin:top}100%{transform:scaleY(0);transform-origin:bottom}}

/* =====================  SECTION  ===================== */
.section{position:relative;padding:clamp(80px,11vw,140px) 0;z-index:2}
.section.alt{background:linear-gradient(180deg,transparent,var(--alt) 12%,var(--alt) 88%,transparent)}

.sec-head{max-width:760px;margin-bottom:clamp(42px,6vw,64px)}
.sec-head.center{margin-inline:auto;text-align:center}
.eyebrow{
  display:inline-block;font-size:11px;letter-spacing:.3em;color:var(--accent);
  margin-bottom:14px;font-weight:600;
}
.sec-head h2{font-size:clamp(28px,4.6vw,46px);font-weight:800}
.sec-head p{margin-top:16px;color:var(--muted);font-size:15.5px}
.big{font-size:clamp(34px,6.4vw,68px) !important;letter-spacing:.04em}

.card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r);
  padding:clamp(22px,3vw,34px);
  backdrop-filter:blur(10px);
  transition:border-color .35s, transform .35s var(--ease), box-shadow .35s;
}
.card:hover{border-color:var(--line-2)}

/* ---------- thesis ---------- */
.thesis-grid{
  display:grid;grid-template-columns:1fr auto 1fr;gap:clamp(16px,2.6vw,30px);align-items:center;
}
.node-card{position:relative;overflow:hidden}
.node-card::after{
  content:"";position:absolute;inset:auto -40% -60% -40%;height:220px;
  background:radial-gradient(50% 100% at 50% 100%, color-mix(in srgb, var(--c1) 30%, transparent), transparent 70%);
  opacity:0;transition:opacity .4s;
}
.node-card:hover::after{opacity:1}
.node-card.silicon::after{background:radial-gradient(50% 100% at 50% 100%, color-mix(in srgb, var(--c2) 30%, transparent), transparent 70%)}
.tag{
  display:inline-block;font-size:10.5px;letter-spacing:.22em;padding:5px 11px;border-radius:999px;
  border:1px solid var(--line-2);color:var(--muted);
}
.node-card h3{margin:16px 0 10px;font-size:24px}
.node-card p{color:var(--muted);font-size:14.5px}
.node-card ul{margin-top:18px;display:grid;gap:9px}
.node-card li{
  font-size:13.5px;color:var(--ink-2);padding-left:20px;position:relative;
}
.node-card li::before{
  content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;border-radius:2px;
  background:linear-gradient(135deg,var(--c1),var(--c2));
}
.node-card.silicon li::before{background:linear-gradient(135deg,var(--c2),var(--c4))}

.bridge{display:grid;place-items:center;gap:12px}
.bridge-core{position:relative;width:clamp(120px,14vw,160px);aspect-ratio:1}
.bridge-core svg{width:100%;height:100%}
.ring{transform-origin:60px 60px}
.r1{animation:spin 26s linear infinite}
.r2{animation:spin 9s linear infinite}
.r3{animation:spin 14s linear infinite reverse}
.bridge-label{
  position:absolute;inset:0;display:grid;place-items:center;text-align:center;
  font-size:11.5px;letter-spacing:.14em;color:var(--ink-2);line-height:1.5;
}
.bridge-text{font-size:12px;color:var(--muted);letter-spacing:.1em;text-align:center}

/* ---------- encoder ---------- */
.encoder{margin-top:clamp(30px,4vw,44px)}
.enc-head{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;flex-wrap:wrap}
.enc-head h3{margin:8px 0 6px;font-size:22px}
.enc-body{display:grid;grid-template-columns:minmax(240px,.85fr) 1.15fr;gap:clamp(20px,3vw,34px);margin-top:26px}
.enc-input input{
  width:100%;padding:15px 18px;border-radius:14px;font-size:15.5px;
  background:var(--bg);color:var(--ink);border:1px solid var(--line-2);outline:none;
  transition:.3s;font-family:inherit;
}
.enc-input input:focus{border-color:var(--c1);box-shadow:0 0 0 4px rgba(139,108,255,.14)}
.enc-sample{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:12.5px;color:var(--muted)}
.enc-sample button{
  padding:6px 12px;border-radius:999px;font-size:12.5px;cursor:pointer;
  background:var(--panel-2);border:1px solid var(--line);color:var(--ink-2);transition:.25s;font-family:inherit;
}
.enc-sample button:hover{border-color:var(--c1);color:var(--ink);transform:translateY(-2px)}

.enc-stream{
  display:flex;flex-wrap:wrap;gap:6px;min-height:96px;align-content:flex-start;
  padding:16px;border-radius:14px;background:var(--bg);border:1px solid var(--line);
}
.cell{
  width:22px;height:22px;border-radius:5px;display:grid;place-items:center;
  font-size:9px;font-weight:700;color:#fff;opacity:0;transform:scale(.5);
  animation:cellIn .38s var(--ease) forwards;
}
.cell.empty{background:var(--panel-2) !important;color:var(--muted)}
@keyframes cellIn{to{opacity:1;transform:none}}
.enc-stream.scanning .cell{animation:scan .5s var(--ease)}
@keyframes scan{50%{filter:brightness(2.2) saturate(1.6)}}

.enc-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:16px}
.metric{
  padding:12px 8px;border-radius:12px;text-align:center;
  background:var(--panel-2);border:1px solid var(--line);
}
.metric b{display:block;font-size:18px;font-weight:800;color:var(--ink)}
.metric span{font-size:11px;color:var(--muted);letter-spacing:.08em}
.enc-tip{margin-top:14px;font-size:13px;color:var(--accent)}

/* ---------- era ---------- */
.civ-row{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2.4vw,26px)}
.era-gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(16px,2.2vw,24px);align-items:stretch}
.era-image-card{--era-accent:var(--c1);position:relative;min-width:0;margin:0;padding:10px;border-radius:20px;background:var(--panel);border:1px solid var(--line);box-shadow:0 15px 42px rgba(34,43,91,.08);overflow:hidden;transition:transform .4s var(--ease),box-shadow .4s,border-color .3s}
.era-image-card:hover{transform:translateY(-7px);border-color:var(--line-2);box-shadow:var(--shadow)}
.era-image-frame{position:relative;overflow:hidden;aspect-ratio:16/9;border-radius:14px;background:#8f1f24}
.era-image-frame::after{content:"";position:absolute;inset:0;pointer-events:none;border:1px solid rgba(255,255,255,.24);border-radius:inherit;background:linear-gradient(145deg,rgba(255,255,255,.12),transparent 33%,transparent 75%,color-mix(in srgb,var(--era-accent) 12%,transparent))}
.era-image-frame img{display:block;width:100%;height:100%;object-fit:contain;object-position:center;background:#8f1f24;transition:transform .7s var(--ease),filter .5s}
.era-image-card:hover .era-image-frame img{transform:scale(1.025);filter:saturate(1.04)}
.era-past{--era-accent:#ca9a48}
.era-transition{--era-accent:#d25e43}
.era-future{--era-accent:#2bbcd1}
.era-image-card figcaption{display:grid;gap:6px;padding:15px 12px 10px;text-align:left}
.era-image-card figcaption>span{font-size:9px;font-weight:800;letter-spacing:.2em;color:var(--era-accent)}
.era-image-card figcaption>b{font-size:clamp(15px,1.65vw,20px);line-height:1.4;color:var(--ink)}
.era-image-card figcaption>small{font-size:11px;line-height:1.6;color:var(--muted)}
.civ{
  padding:34px 26px;border-radius:var(--r);text-align:center;
  background:var(--panel);border:1px solid var(--line);
  transition:.4s var(--ease);
}
.civ:hover{border-color:var(--line-2);transform:translateY(-6px);box-shadow:var(--shadow)}
.civ-orb{
  width:86px;height:86px;margin:0 auto 20px;border-radius:50%;display:grid;place-items:center;
  font-size:15px;font-weight:700;letter-spacing:.06em;color:#fff;
  box-shadow:0 0 0 1px var(--line-2) inset, 0 12px 30px color-mix(in srgb, var(--c1) 26%, transparent);
  animation:breathe 4.5s ease-in-out infinite;
}
.o1{background:linear-gradient(140deg,var(--c1),var(--c4))}
.o2{background:linear-gradient(140deg,var(--c2),var(--c1))}
.o3{background:linear-gradient(140deg,var(--c4),var(--c1))}
@keyframes breathe{50%{transform:scale(1.07)}}
.civ h3{font-size:19px;margin-bottom:10px}
.civ p{font-size:14px;color:var(--muted)}

.era-slider{margin-top:clamp(28px,4vw,44px)}
.es-labels{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);letter-spacing:.12em}
#eraRange{
  -webkit-appearance:none;appearance:none;width:100%;height:4px;border-radius:4px;margin:18px 0 10px;
  background:linear-gradient(90deg,var(--c3),var(--c1) 50%,var(--c2));outline:none;cursor:pointer;
}
#eraRange::-webkit-slider-thumb{
  -webkit-appearance:none;width:20px;height:20px;border-radius:50%;background:#fff;
  border:3px solid var(--c1);cursor:grab;box-shadow:0 4px 14px rgba(0,0,0,.35);
}
#eraRange::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:#fff;border:3px solid var(--c1);cursor:grab}
.es-bar{position:relative;height:8px;border-radius:8px;background:var(--panel-2);overflow:visible}
.es-bar i{display:block;height:100%;width:62%;border-radius:8px;background:linear-gradient(90deg,var(--c3),var(--c1),var(--c2));transition:width .35s var(--ease);box-shadow:0 0 18px color-mix(in srgb, var(--c1) 42%, transparent)}
.es-readout{margin-top:18px;display:flex;align-items:baseline;gap:16px;flex-wrap:wrap}
.es-readout b{font-size:28px;font-weight:800}
.es-readout p{color:var(--muted);font-size:14px;flex:1;min-width:240px}

/* ---------- quotes 语录画廊（并入「时代坐标」板块末尾 · 上4下3错位 · 出血放大） ---------- */
/* 突破 .wrap(1180px) 限制横向放大，左右各留 32px 安全边距 */
.quotes-block{
  --q-wide:min(1400px,calc(100vw - 64px));
  width:var(--q-wide);
  margin-inline:calc((100% - var(--q-wide)) / 2);
  margin-top:clamp(34px,4.4vw,54px);
}
.quotes-headline{max-width:740px;margin-bottom:clamp(18px,2.2vw,26px)}
.quotes-headline .eyebrow{margin-bottom:10px}
.quotes-headline p{font-size:14px;color:var(--muted);line-height:1.8}
/* 语录块所在的「时代坐标」板块：收紧底部留白，让放大的图片贴近下一板块分隔线 */
#era{padding-bottom:clamp(32px,4vw,48px)}
#tracks{padding-top:clamp(44px,5.5vw,68px)}
.quote-gallery{--qgap:clamp(12px,1.5vw,18px);display:grid;gap:var(--qgap)}
.quote-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--qgap)}
/* 下排 3 张整体右移半格，使每张卡片正对上排两两之间的间隙：
   半格 = (卡片宽 + 间距)/2 = (100% + --qgap)/8
   行宽 = 3 张同宽卡片 + 2 个间距 = 75% - --qgap/4 */
.quote-row-offset{
  grid-template-columns:repeat(3,minmax(0,1fr));
  width:calc(75% - var(--qgap) / 4);
  margin-left:calc(12.5% + var(--qgap) / 8);
}
.quote-item{margin:0;min-width:0}
.quote-btn{
  position:relative;display:block;width:100%;padding:0;cursor:pointer;overflow:hidden;
  aspect-ratio:16/9;border-radius:14px;background:var(--panel);
  border:1px solid var(--line);outline:none;
  box-shadow:0 10px 26px -18px rgba(13,48,108,.35);
  transition:transform .4s var(--ease),border-color .3s,box-shadow .4s var(--ease);
}
.quote-btn::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,transparent 54%,rgba(24,10,14,.6));
  opacity:0;transition:opacity .35s;
}
.quote-btn img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .7s var(--ease)}
.quote-btn:hover,.quote-btn:focus-visible{transform:translateY(-4px);border-color:var(--line-2);box-shadow:0 20px 40px -20px rgba(13,48,108,.42)}
.quote-btn:hover img,.quote-btn:focus-visible img{transform:scale(1.05)}
.quote-btn:hover::after,.quote-btn:focus-visible::after{opacity:1}
.quote-zoom{
  position:absolute;right:10px;bottom:9px;z-index:1;display:inline-flex;align-items:center;gap:6px;
  padding:5px 11px;border-radius:999px;font-size:11.5px;letter-spacing:.06em;color:#f8ecc9;
  background:rgba(16,10,14,.6);border:1px solid rgba(232,200,119,.36);
  opacity:0;transform:translateY(6px);transition:opacity .3s,transform .3s;
}
.quote-btn:hover .quote-zoom,.quote-btn:focus-visible .quote-zoom{opacity:1;transform:none}
.quote-item figcaption{display:flex;align-items:baseline;gap:8px;margin-top:10px;min-width:0}
.quote-item figcaption span{flex:none;font-size:11px;font-weight:700;letter-spacing:.14em;color:var(--accent)}
.quote-item figcaption b{font-size:13px;font-weight:600;color:var(--ink-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* 灯箱 */
.lightbox{position:fixed;inset:0;z-index:3000;display:grid;place-items:center;padding:clamp(18px,4vw,54px)}
.lightbox[hidden]{display:none}
.lightbox-backdrop{position:absolute;inset:0;background:rgba(5,7,20,.92);backdrop-filter:blur(12px);opacity:0;transition:opacity .3s}
.lightbox.is-open .lightbox-backdrop{opacity:1}
.lightbox-figure{position:relative;margin:0;width:min(1180px,100%);opacity:0;transform:scale(.95) translateY(10px);transition:opacity .38s var(--ease),transform .38s var(--ease)}
.lightbox.is-open .lightbox-figure{opacity:1;transform:none}
.lightbox-figure img{
  width:100%;max-height:76vh;object-fit:contain;display:block;margin:0 auto;border-radius:14px;
  background:#170f2c;box-shadow:0 40px 120px -30px rgba(0,0,0,.85);
  transition:opacity .28s var(--ease);
}
.lightbox-figure figcaption{display:flex;align-items:baseline;justify-content:center;gap:14px;flex-wrap:wrap;margin-top:16px;text-align:center}
.lightbox-figure figcaption b{font-size:16px;font-weight:600;color:#f2f5ff}
.lightbox-figure figcaption span{font-size:12px;letter-spacing:.16em;color:rgba(226,231,255,.55)}
.lightbox-close,.lightbox-nav{
  position:absolute;z-index:2;display:grid;place-items:center;cursor:pointer;
  color:#eef1ff;background:rgba(16,20,44,.7);border:1px solid rgba(255,255,255,.16);border-radius:50%;
  transition:background .25s,border-color .25s,color .25s,transform .25s;
}
.lightbox-close{top:clamp(14px,2.4vw,26px);right:clamp(14px,2.4vw,26px);width:44px;height:44px;font-size:24px;line-height:1}
.lightbox-nav{top:50%;width:52px;height:52px;margin-top:-26px;padding:0}
.lightbox-nav svg{width:24px;height:24px}
.lightbox-prev{left:clamp(10px,2vw,30px)}
.lightbox-next{right:clamp(10px,2vw,30px)}
.lightbox-close:hover,.lightbox-nav:hover{border-color:rgba(232,200,119,.6);color:#f6e6bd;background:rgba(30,24,58,.86)}
.lightbox-nav:hover{transform:scale(1.06)}
.lightbox-close:focus-visible,.lightbox-nav:focus-visible{outline:2px solid rgba(232,200,119,.7);outline-offset:3px}
body.lb-open{overflow:hidden}

@media (max-width:980px){
  .quote-row,.quote-row-offset{grid-template-columns:repeat(2,minmax(0,1fr))}
  .quote-row-offset{width:100%;margin-left:0}
}
@media (max-width:560px){
  .quote-row,.quote-row-offset{grid-template-columns:1fr}
  .lightbox-nav{width:42px;height:42px;margin-top:-21px;background:rgba(16,20,44,.86)}
  .lightbox-nav svg{width:20px;height:20px}
  .lightbox-figure figcaption b{font-size:14px}
}
@media (prefers-reduced-motion:reduce){
  .quote-btn,.quote-btn img,.quote-zoom,.lightbox-figure,.lightbox-backdrop{transition:none!important}
  .lightbox-figure{opacity:1;transform:none}
}

/* ---------- tracks ---------- */
.track-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(16px,2.2vw,24px)}
.track{position:relative;overflow:hidden;will-change:transform}
.track::before{
  content:"";position:absolute;inset:0;opacity:0;transition:opacity .4s;pointer-events:none;
  background:radial-gradient(420px circle at var(--mx,50%) var(--my,0%), color-mix(in srgb, var(--c1) 16%, transparent), transparent 60%);
}
.track:hover::before{opacity:1}
.track-ico{
  width:52px;height:52px;border-radius:15px;display:grid;place-items:center;margin-bottom:18px;
  background:linear-gradient(140deg,color-mix(in srgb, var(--c1) 20%, transparent),color-mix(in srgb, var(--c2) 15%, transparent));
  border:1px solid var(--line-2);color:var(--accent);
}
.track-ico svg{width:26px;height:26px}
.track h3{font-size:20px;margin-bottom:10px}
.track p{font-size:14px;color:var(--muted);min-height:76px}
.mini-list{margin-top:16px;display:flex;flex-wrap:wrap;gap:7px}
.mini-list li{
  font-size:12px;padding:5px 11px;border-radius:8px;
  background:var(--panel-2);border:1px solid var(--line);color:var(--ink-2);
}

/* ---------- tabs ---------- */
.tab-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:26px}
.tab{
  padding:11px 20px;border-radius:999px;font-size:13.5px;cursor:pointer;font-family:inherit;
  background:var(--panel);border:1px solid var(--line);color:var(--ink-2);transition:.3s var(--ease);
}
.tab:hover{color:var(--ink);border-color:var(--line-2)}
.tab.active{
  background:var(--grad2);color:#fff;border-color:transparent;
  box-shadow:0 10px 24px color-mix(in srgb, var(--c1) 30%, transparent);
}
.tab-panels{position:relative}
.panel{
  display:none;padding:clamp(24px,3.4vw,38px);border-radius:var(--r);
  background:var(--panel);border:1px solid var(--line);
  animation:fadeUp .45s var(--ease);
}
.panel.active{display:block}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}}
.panel h3{font-size:23px;margin-bottom:12px}
.panel>p{color:var(--muted);font-size:14.5px;max-width:660px}
.pcols{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:26px}
.pcols>div{
  padding:18px;border-radius:14px;background:var(--panel-2);border:1px solid var(--line);
  font-size:13.5px;color:var(--ink-2);
}
.pk{
  display:block;font-size:11px;letter-spacing:.18em;color:var(--accent);margin-bottom:8px;font-weight:700;
}

/* ---------- flip ---------- */
.flip-row{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2.4vw,26px)}
.flip{height:280px;perspective:1400px;cursor:pointer;outline:none}
.flip-inner{
  position:relative;width:100%;height:100%;transform-style:preserve-3d;
  transition:transform .8s var(--ease);
}
.flip.flipped .flip-inner{transform:rotateY(180deg)}
.flip:focus-visible{outline:2px solid var(--c2);outline-offset:4px;border-radius:var(--r)}
.flip-face{
  position:absolute;inset:0;backface-visibility:hidden;border-radius:var(--r);
  padding:34px 28px;display:flex;flex-direction:column;justify-content:center;
  background:var(--panel);border:1px solid var(--line);
}
.flip-face.front{align-items:flex-start}
.flip-face.front h3{font-size:34px;margin-bottom:12px}
.flip-face.front p{color:var(--ink-2)}
.fnum{
  font-size:12px;letter-spacing:.3em;font-weight:800;
  background:linear-gradient(100deg,var(--c1),var(--c2));
  -webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:16px;
}
.flip-hint{margin-top:26px;font-size:11.5px;letter-spacing:.18em;color:var(--muted)}
.flip-face.back{
  transform:rotateY(180deg);
  background:linear-gradient(150deg,color-mix(in srgb, var(--c1) 15%, transparent),color-mix(in srgb, var(--c2) 10%, transparent));
  border-color:var(--line-2);
}
.flip-face.back p{font-size:14.5px;color:var(--ink)}
.flip-face.back ul{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.flip-face.back li{
  font-size:12px;padding:5px 12px;border-radius:999px;
  background:var(--panel-2);border:1px solid var(--line);color:var(--ink-2);
}

/* ---------- quiz ---------- */
.quiz{margin-top:clamp(28px,4vw,44px)}
.q-head{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;flex-wrap:wrap}
.q-head h3{margin:8px 0 6px;font-size:22px}
.q-score{text-align:right}
.q-score b{
  display:block;font-size:44px;font-weight:800;line-height:1;
  background:linear-gradient(120deg,var(--c1),var(--c2),var(--c3));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.q-score span{font-size:11px;letter-spacing:.2em;color:var(--muted)}
.q-body{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(20px,3vw,34px);margin-top:26px;align-items:center}
.q-sliders{display:grid;gap:18px}
.q-row{display:grid;grid-template-columns:70px 1fr 40px;align-items:center;gap:14px;font-size:13.5px;color:var(--ink-2)}
.q-range{
  -webkit-appearance:none;appearance:none;height:5px;border-radius:5px;outline:none;cursor:pointer;
  background:linear-gradient(90deg,var(--c1),var(--c2));
}
.q-range::-webkit-slider-thumb{
  -webkit-appearance:none;width:17px;height:17px;border-radius:50%;background:#fff;
  border:3px solid var(--c2);box-shadow:0 3px 10px rgba(0,0,0,.3);
}
.q-range::-moz-range-thumb{width:15px;height:15px;border-radius:50%;background:#fff;border:3px solid var(--c2)}
.q-row b{font-size:15px;font-weight:800;text-align:right}
.q-bars{display:grid;gap:14px}
.q-bar{display:grid;grid-template-columns:1fr 44px;align-items:center;gap:12px}
.q-bar i{
  display:block;height:10px;border-radius:6px;width:0%;
  background:linear-gradient(90deg,var(--c1),var(--c2));
  transition:width .45s var(--ease);box-shadow:0 0 14px color-mix(in srgb, var(--c1) 40%, transparent);
}
.q-bar span{font-size:12px;color:var(--muted);letter-spacing:.1em}
.q-out p{margin-top:18px;font-size:13.5px;color:var(--ink-2);min-height:3em}

/* ---------- courses ---------- */
.chips{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:26px}
.chip{
  padding:9px 18px;border-radius:999px;font-size:13px;cursor:pointer;font-family:inherit;
  background:var(--panel);border:1px solid var(--line);color:var(--ink-2);transition:.28s var(--ease);
}
.chip:hover{color:var(--ink);border-color:var(--line-2)}
.chip.active{background:var(--ink);color:var(--bg);border-color:transparent}
.course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2.2vw,24px)}
.course{position:relative;overflow:hidden;transition:.45s var(--ease);cursor:pointer}
.course.hide{display:none}
.course.reveal.in:hover{transform:translateY(-10px);border-color:var(--line-2);box-shadow:0 24px 48px -22px rgba(13,48,108,.32)}
.course:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.course::after{
  content:"";position:absolute;left:0;top:0;height:2px;width:0;
  background:linear-gradient(90deg,var(--c1),var(--c2));transition:width .45s var(--ease);
}
.course:hover::after{width:100%}
.c-tag{
  display:inline-block;font-size:11px;letter-spacing:.16em;padding:5px 12px;border-radius:999px;
  background:linear-gradient(100deg,color-mix(in srgb, var(--c1) 18%, transparent),color-mix(in srgb, var(--c2) 14%, transparent));
  border:1px solid var(--line-2);color:var(--ink-2);margin-bottom:16px;
}
.course h3{font-size:19px;margin-bottom:10px}
.course p{font-size:14px;color:var(--muted);min-height:66px}
.c-go{display:inline-block;margin-top:16px;font-size:13px;color:var(--accent);font-weight:600}
.course:hover .c-go{transform:translateX(4px)}
.c-go{transition:transform .3s}
.c-meta{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}
.c-meta i{font-style:normal;font-size:11px;letter-spacing:.05em;color:var(--ink-2);background:var(--panel-2);border:1px solid var(--line);border-radius:999px;padding:4px 10px}

/* ========== 课程详情弹窗 ========== */
/* 动效参数：移动时长 / 翻转时长 / 翻转圈数（改这里即可整体调速） */
.course-modal{position:fixed;inset:0;z-index:2000;--cm-move:.38s;--cm-flip:.5s;--cm-spin:900deg}
.course-modal-backdrop{position:absolute;inset:0;background:rgba(10,16,40,.52);backdrop-filter:blur(6px);opacity:0;transition:.35s}
.course-modal.is-visible .course-modal-backdrop{opacity:1}
.course-modal-shell{
  position:fixed;z-index:1;top:0;left:0;width:300px;height:210px;
  perspective:1400px;transform:translate(0,0);transform-origin:center;border-radius:18px;overflow:hidden;
  box-shadow:0 30px 90px -30px rgba(10,16,40,.5);
  transition:top var(--cm-move) cubic-bezier(.2,.82,.22,1),left var(--cm-move) cubic-bezier(.2,.82,.22,1),
    width var(--cm-move) cubic-bezier(.2,.82,.22,1),height var(--cm-move) cubic-bezier(.2,.82,.22,1),
    transform var(--cm-move) cubic-bezier(.2,.82,.22,1),border-radius var(--cm-move) cubic-bezier(.2,.82,.22,1);
  will-change:top,left,width,height,transform;
}
.course-modal-shell.is-centered{
  top:50%!important;left:50%!important;
  width:min(680px,calc(100vw - 32px))!important;
  height:min(600px,calc(100dvh - 48px))!important;
  transform:translate(-50%,-50%);border-radius:20px;
}
.course-modal-shell.is-returning{
  top:var(--origin-top)!important;left:var(--origin-left)!important;
  width:var(--origin-width)!important;height:var(--origin-height)!important;
  transform:translate(0,0);border-radius:18px;
}
.course-modal-flipper{position:relative;width:100%;height:100%;transform-style:preserve-3d;transition:transform var(--cm-flip) cubic-bezier(.38,.04,.4,.96)}
.course-modal.is-flipped .course-modal-flipper{transform:rotateY(var(--cm-spin))}
.course-modal-face{position:absolute;inset:0;overflow:hidden;backface-visibility:hidden;-webkit-backface-visibility:hidden;background:var(--panel-2);border:1px solid var(--line)}
.course-modal-cardback{display:grid;place-items:center;align-content:center;gap:14px;padding:28px;text-align:center}
.course-modal-cardback .cb-tag{font-size:12px;letter-spacing:.16em;color:var(--accent);text-transform:uppercase}
.course-modal-cardback .cb-title{font-size:clamp(15px,3vw,28px);max-width:92%;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.course-modal-cardback .cb-hint{margin-top:8px;font-size:13px;color:var(--muted)}
.course-modal-content{transform:rotateY(180deg);overflow:auto}
/* 翻转期间文字模糊不渲染；翻转结束（.6s）后立刻清晰 */
.course-modal-inner{opacity:0;filter:blur(12px)}
.course-modal.is-flipped .course-modal-inner{opacity:1;filter:blur(0);transition:opacity .16s ease calc(var(--cm-flip) + .02s),filter .16s ease calc(var(--cm-flip) + .02s)}
@media (prefers-reduced-motion:reduce){
  .course-modal-shell{transition:none!important}
  .course-modal-flipper{transition:none!important;transform:none!important}
  .course-modal-cardback{display:none}
  .course-modal-content{transform:none!important}
  .course-modal-inner{opacity:1!important;filter:none!important;transition:none!important}
}
.course-modal-header{position:sticky;top:0;z-index:1;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:24px 28px 12px;background:linear-gradient(180deg,var(--panel-2) 82%,transparent)}
.course-modal-kicker{display:flex;align-items:center;gap:10px;font-size:11px;letter-spacing:.16em;color:var(--ink-2);text-transform:uppercase}
.course-modal-kicker span:first-child{color:var(--accent);font-weight:700}
.course-modal-kicker i{width:18px;height:1px;background:var(--line-2)}
.course-modal-close{flex:none;width:34px;height:34px;border:1px solid var(--line);border-radius:50%;background:var(--panel);color:var(--ink-2);font-size:20px;line-height:1;cursor:pointer;transition:.25s}
.course-modal-close:hover{border-color:var(--line-2);color:var(--accent)}
.course-modal-body{padding:6px 28px 28px}
.course-modal-title{font-size:clamp(22px,3.4vw,28px);margin:4px 0 8px}
.course-modal-lead{color:var(--muted);font-size:15px;line-height:1.7}
.course-modal-facts{display:grid;gap:9px;margin:0}
.course-modal-facts>div{display:grid;grid-template-columns:106px minmax(0,1fr);gap:14px;padding:12px 15px;border:1px solid var(--line);border-radius:12px;background:var(--panel)}
.course-modal-facts dt{font-size:12px;letter-spacing:.06em;color:var(--muted)}
.course-modal-facts dd{margin:0;font-size:14px;color:var(--ink-2);line-height:1.65}
.course-modal-sec{margin-top:22px}
.course-modal-sec h4{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-2);margin-bottom:10px}
.course-modal-list{list-style:none;display:grid;gap:9px}
.course-modal-list li{position:relative;padding-left:20px;font-size:14.5px;color:var(--ink-2)}
.course-modal-list li::before{content:'';position:absolute;left:0;top:7px;width:8px;height:8px;border-radius:50%;background:var(--grad)}
.course-modal-modules{list-style:none;display:grid;gap:10px}
.course-modal-modules li{display:flex;gap:14px;padding:14px 16px;border:1px solid var(--line);border-radius:14px;background:var(--panel)}
.course-modal-modules li>span{flex:none;font-size:12px;font-weight:700;color:var(--accent);padding-top:2px}
.course-modal-modules b{font-size:15px}
.course-modal-modules p{margin-top:3px;font-size:13.5px;color:var(--muted);min-height:0}
.course-modal-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
@media (max-width:620px){.course-modal{padding:12px}.course-modal-header{padding:18px 20px 10px}.course-modal-body{padding:4px 20px 22px}.course-modal-facts>div{grid-template-columns:1fr;gap:5px}}
/* 仅移动端生效的标题换行（桌面隐藏，避免标题变成三行） */
.br-m{display:none}
@media (max-width:860px){.br-m{display:inline}}

/* ========== 原创著作 · 对症阅读（问题 → 书） ========== */
.rx{margin-top:clamp(16px,2.2vw,26px)}
.rx-head{margin-bottom:18px}
.rx-head h3{font-size:20px;margin:6px 0 4px}
.rx-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.rx-item{display:grid;gap:8px;padding:16px 18px;border:1px solid var(--line);border-radius:14px;background:var(--panel);text-decoration:none;transition:.3s var(--ease)}
.rx-item:hover{border-color:var(--line-2);transform:translateY(-3px);box-shadow:var(--shadow)}
.rx-q{font-size:13.5px;line-height:1.6;color:var(--muted)}
.rx-book{font-size:15px;font-weight:700;color:var(--accent)}
@media (max-width:760px){.rx-grid{grid-template-columns:1fr}}

.cta-band{
  margin-top:clamp(46px,6vw,70px);padding:clamp(26px,3.6vw,42px);
  border-radius:22px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;
  background:linear-gradient(120deg,color-mix(in srgb, var(--c1) 16%, transparent),color-mix(in srgb, var(--c2) 10%, transparent));
  border:1px solid var(--line-2);
}
.cta-band h3{font-size:clamp(19px,2.6vw,26px)}
.cta-band p{margin-top:8px;color:var(--muted);font-size:14px}

/* ---------- footer ---------- */
.footer{position:relative;z-index:2;border-top:1px solid var(--line);padding:clamp(50px,6vw,72px) 0 28px;background:var(--foot);backdrop-filter:blur(10px)}
.f-wrap{display:grid;grid-template-columns:1fr 1.4fr;gap:40px}
.f-brand b{font-size:20px;letter-spacing:.14em}
.f-brand p{margin-top:14px;font-size:13px;color:var(--muted);line-height:1.9}
.f-links{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.f-links span{display:block;font-size:12px;letter-spacing:.18em;color:var(--ink);margin-bottom:14px;font-weight:700}
.f-links a{display:block;font-size:13px;color:var(--muted);padding:5px 0;transition:.25s}
.f-links a:hover{color:var(--accent);transform:translateX(3px)}
.f-bottom{
  width:min(1180px,92vw);margin:clamp(34px,4vw,50px) auto 0;padding-top:22px;
  border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12px;color:var(--muted);letter-spacing:.06em;
}

/* ---------- to top ---------- */
.to-top{
  position:fixed;right:26px;bottom:26px;width:46px;height:46px;border-radius:50%;
  display:grid;place-items:center;cursor:pointer;z-index:100;
  background:var(--glass);backdrop-filter:blur(10px);
  border:1px solid var(--line-2);color:var(--ink);
  opacity:0;transform:translateY(16px) scale(.9);pointer-events:none;transition:.35s var(--ease);
}
.to-top.show{opacity:1;transform:none;pointer-events:auto}
.to-top:hover{border-color:var(--c1);transform:translateY(-3px)}
.to-top svg{width:20px;height:20px}

/* ---------- reveal / 动效变体 ---------- */
/* 默认保持内容可见；JS 已就绪后才启用滚动揭示，避免脚本/观察器失效时整页空白 */
.reveal{
  opacity:1;transform:none;clip-path:none;filter:none;
  transition:opacity .85s var(--ease),transform 1s var(--ease),clip-path 1.1s var(--ease),filter .95s var(--ease);
}
html.js-ready .reveal:not(.in){opacity:0;transform:translateY(30px)}
/* 从中间向两侧展开 */
html.js-ready .reveal:not(.in)[data-rv="expand"]{clip-path:inset(0 50% 0 50%);transform:translateY(16px)}
/* 翻页：从左侧掀开 */
html.js-ready .reveal:not(.in)[data-rv="page"]{transform:perspective(1400px) rotateY(-16deg) translateZ(-70px) translateX(-26px);transform-origin:left center}
/* 翻页：从右侧掀开 */
html.js-ready .reveal:not(.in)[data-rv="page-r"]{transform:perspective(1400px) rotateY(16deg) translateZ(-70px) translateX(26px);transform-origin:right center}
/* 缩放浮现 */
html.js-ready .reveal:not(.in)[data-rv="zoom"]{transform:scale(.93);filter:blur(10px)}
html.js-ready .reveal:not(.in)[data-rv="left"]{transform:translateX(-44px)}
html.js-ready .reveal:not(.in)[data-rv="right"]{transform:translateX(44px)}
html.js-ready .reveal:not(.in)[data-rv="up"]{transform:translateY(34px)}

.reveal.in{opacity:1;transform:none;clip-path:inset(0 0 0 0);filter:none}

/* 标题逐字浮现 */
.split .chx{
  display:inline-block;transition:opacity .65s var(--ease),transform .95s var(--ease);
}
html.js-ready .split:not(.in) .chx{opacity:0;transform:translateY(105%) rotate(6deg)}
.split.in .chx{opacity:1;transform:none}

/* 区块分隔线：从中间展开 */
.sec-rule{
  display:block;height:1px;margin-bottom:clamp(30px,4vw,48px);
  background:linear-gradient(90deg,transparent,var(--line-2) 18%,var(--accent) 50%,var(--line-2) 82%,transparent);
  transform:scaleX(1);transform-origin:center;
  transition:transform 1.2s var(--ease);
}
html.js-ready .sec-rule:not(.in){transform:scaleX(0)}
.sec-rule.in{transform:scaleX(1)}

/* =====================  RESPONSIVE  ===================== */
@media (max-width:1080px){
  .track-grid{grid-template-columns:repeat(2,1fr)}
  .course-grid{grid-template-columns:repeat(2,1fr)}
  .nav-links{display:none}
  .burger{display:block}
  .nav.open .nav-links{
    display:flex;flex-direction:column;gap:14px;position:absolute;top:100%;right:max(24px,4vw);
    padding:18px 22px;border-radius:16px;background:var(--glass);backdrop-filter:blur(16px);
    border:1px solid var(--line);min-width:180px;
  }
  .nav.open .burger i:nth-child(1){transform:translateY(4.6px) rotate(45deg)}
  .nav.open .burger i:nth-child(2){opacity:0}
  .nav.open .burger i:nth-child(3){transform:translateY(-4.6px) rotate(-45deg)}
}
@media (max-width:860px){
  .thesis-grid{grid-template-columns:1fr}
  .bridge{order:-1}
  .enc-body{grid-template-columns:1fr}
  .q-body{grid-template-columns:1fr}
  .civ-row{grid-template-columns:1fr}
  .era-gallery{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
  .era-future{grid-column:1/-1;width:min(100%,520px);justify-self:center}
  .flip-row{grid-template-columns:1fr}
  .pcols{grid-template-columns:1fr}
  .f-wrap{grid-template-columns:1fr}
  .enc-metrics{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:620px){
  .track-grid{grid-template-columns:1fr}
  .era-gallery{grid-template-columns:1fr}
  .era-future{grid-column:auto;width:100%}
  .era-image-card figcaption{padding:12px 10px 8px}

  .course-grid{grid-template-columns:1fr}
  .f-links{grid-template-columns:1fr}
  .track p,.course p{min-height:0}
  .mission p{font-size:16px;letter-spacing:.08em}
  .hero-stats{gap:22px}
  .hero-layout{grid-template-columns:1fr;gap:22px}
  .hero-poster{grid-row:2;justify-self:center;width:min(82%,360px);border-radius:16px}
  .hero-poster img{max-height:none}
  .hero-poster figcaption{font-size:9px;padding:8px 10px 10px}
  .hero-title{margin-top:21px}
  .hero-title-gold .hero-title-brand{font-size:clamp(34px,10vw,48px);letter-spacing:.19em;padding-left:.19em}
  .hero-title-gold .hero-title-main{font-size:clamp(48px,13vw,68px);letter-spacing:.09em;padding-left:.09em}
  .hero-slogan{gap:9px;font-size:clamp(21px,6vw,27px);letter-spacing:.1em}
  .hero-slogan::before,.hero-slogan::after{width:16px}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
}

/* 静态预览模式（追加 #static 触发，用于截图，不影响正常浏览） */
html.has-static .reveal{opacity:1;transform:none;animation:none !important;transition:none !important;clip-path:none !important;filter:none !important}
html.has-static .hero-title .ch,
html.has-static .hero-title .grad{opacity:1 !important;transform:none !important;animation:none !important}
html.has-static .cell{animation:none !important;opacity:1 !important;transform:none !important}
html.has-static .flip{animation:none !important}
html.has-static .marquee-track{animation:none !important}
html.has-static .split .chx{opacity:1 !important;transform:none !important;transition:none !important}
html.has-static .sec-rule{transform:scaleX(1) !important;transition:none !important}
html.has-static .route-view.route-enter .detail-page{animation:none !important;opacity:1 !important;transform:none !important;filter:none !important;clip-path:none !important}
html.has-static .system-card{animation:none !important;opacity:1 !important;transform:none !important}
html.has-static .cover-photo-img{transform:none !important}

/* =====================  跑马灯  ===================== */
.marquee{
  position:relative;z-index:2;overflow:hidden;padding:22px 0;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:var(--panel);backdrop-filter:blur(8px);
  mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
}
.marquee-track{display:flex;width:max-content;animation:marq 34s linear infinite}
.marquee.rev .marquee-track{animation-direction:reverse;animation-duration:40s}
.marquee:hover .marquee-track{animation-play-state:paused}
@keyframes marq{to{transform:translateX(-50%)}}
.mq-group{display:flex;align-items:center;gap:34px;padding-right:34px}
.mq-group span{
  font-size:clamp(15px,2vw,21px);font-weight:700;letter-spacing:.14em;white-space:nowrap;
  background:linear-gradient(100deg,var(--c1),var(--c2) 55%,var(--c3));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.mq-group i{width:7px;height:7px;border-radius:50%;background:var(--accent);opacity:.5;flex:none}

/* =====================  联系我们 / 门店照片  ===================== */
.store-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(18px,2.4vw,28px)}
.store-card{
  overflow:hidden;border-radius:calc(var(--r) + 4px);background:var(--panel);
  border:1px solid var(--line);backdrop-filter:blur(10px);
  transition:border-color .35s,transform .45s var(--ease),box-shadow .45s;
}
.store-card:hover{transform:translateY(-6px);border-color:var(--line-2);box-shadow:var(--shadow)}
.store-photo-wrap{position:relative;overflow:hidden;aspect-ratio:1.72;background:var(--bg-2)}
.store-photo{
  display:block;width:100%;height:100%;object-fit:cover;
  transition:transform .9s var(--ease),filter .7s var(--ease);
}
.store-card:hover .store-photo{transform:scale(1.045);filter:saturate(1.08)}
.thought-photo{object-position:center 48%}
.cognitive-photo{object-position:center 34%}
.store-photo-tag{
  position:absolute;left:18px;bottom:16px;padding:6px 12px;border-radius:999px;
  background:rgba(12,17,37,.72);border:1px solid rgba(255,255,255,.26);
  color:#fff;font-size:11px;letter-spacing:.12em;backdrop-filter:blur(10px);
}
.store-info{padding:clamp(22px,3vw,32px)}
.store-kind{display:block;font-size:10px;letter-spacing:.24em;color:var(--accent);font-weight:700}
.store-info h3{font-size:clamp(21px,2.5vw,27px);margin:8px 0 16px}
.store-address{display:flex;align-items:flex-start;gap:10px;color:var(--ink-2);font-size:14px;line-height:1.8}
.store-address svg{width:19px;height:19px;flex:none;margin-top:4px;color:var(--accent)}
.store-address span{overflow-wrap:anywhere}
/* 门店卡里的「复制门店地址」需要与地址拉开间距（联系条里的 .cc-copy 不需要） */
.store-info .cc-copy{display:inline-block;margin-top:16px}
/* ===== 微信二维码面板（门店网格与联系方式之间）===== */
.contact-qr{
  margin-top:clamp(18px,2.4vw,28px);padding:22px 24px;border-radius:var(--r);
  background:var(--panel);border:1px solid var(--line);
  display:flex;align-items:center;gap:clamp(22px,3vw,42px);flex-wrap:wrap;
}
.qr-col{display:flex;flex-direction:column;align-items:center;gap:11px;flex:none}
.qr-frame{
  position:relative;width:168px;height:168px;padding:9px;border-radius:16px;
  background:#fff;border:1px solid var(--line-2);box-shadow:var(--shadow);
  display:flex;align-items:center;justify-content:center;
}
.qr-frame img{width:100%;height:100%;object-fit:contain;display:block}
/* 呼吸光环：不遮挡码面，弱动效偏好下自动关闭 */
.qr-frame::after{
  content:"";position:absolute;inset:-7px;border-radius:22px;pointer-events:none;
  border:1.5px solid var(--accent);opacity:0;animation:qrPulse 3.2s var(--ease) infinite;
}
@keyframes qrPulse{
  0%{opacity:.5;transform:scale(.98)}
  60%{opacity:0;transform:scale(1.05)}
  100%{opacity:0;transform:scale(1.05)}
}
.qr-frame-tag{
  font-size:9.5px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;
  color:color-mix(in srgb,var(--accent) 70%,var(--muted));
}
.qr-copy{flex:1;min-width:250px;display:flex;flex-direction:column;gap:10px}
.qr-copy h3{font-size:clamp(19px,2.2vw,25px);margin:0}
.qr-copy p{color:var(--ink-2);font-size:14.5px;line-height:1.85;margin:0}
.qr-hint{display:flex;align-items:flex-start;gap:8px;font-size:12px;line-height:1.65;color:var(--muted);letter-spacing:.02em}
.qr-hint i{
  width:6px;height:6px;margin-top:7px;border-radius:50%;background:var(--accent);flex:none;
  box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 20%,transparent);
}
@media (prefers-reduced-motion:reduce){.qr-frame::after{animation:none;opacity:0}}
.contact-direct{
  margin-top:clamp(18px,2.4vw,28px);padding:20px 24px;border-radius:var(--r);
  background:var(--panel);border:1px solid var(--line);
  display:flex;align-items:center;gap:18px 34px;flex-wrap:wrap;
}
/* 每个渠道：上一行「中文标签 + 联系方式」，下一行英文小字 */
.direct-item{display:flex;flex-direction:column;gap:5px;min-width:0}
.direct-item-lead{margin-right:auto}
.di-main{display:inline-flex;align-items:center;gap:9px;flex-wrap:wrap}
.di-cn{font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--ink)}
.di-val{font-size:14.5px;font-weight:600;letter-spacing:.01em;color:var(--ink-2);overflow-wrap:anywhere}
.di-en{
  font-size:9.5px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;
  color:color-mix(in srgb,var(--accent) 68%,var(--muted));
}
a.direct-item{transition:transform .25s var(--ease)}
a.direct-item:hover{transform:translateY(-2px)}
a.direct-item:hover .di-cn,a.direct-item:hover .di-val{color:var(--accent)}
.wechat-list{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.wechat-chip{
  padding:6px 12px;border-radius:999px;font-size:12px;letter-spacing:.04em;cursor:pointer;font-family:inherit;
  background:var(--panel-2);border:1px solid var(--line);color:var(--ink-2);transition:.25s var(--ease);
}
.wechat-chip:hover,.wechat-chip.done{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.cc-copy{
  padding:8px 16px;border-radius:999px;font-size:12px;cursor:pointer;font-family:inherit;
  background:var(--panel-2);border:1px solid var(--line);color:var(--ink-2);transition:.28s var(--ease);
}
.cc-copy:hover{border-color:var(--accent);color:var(--ink);transform:translateY(-2px)}
.cc-copy.done{border-color:var(--accent);color:var(--accent)}
.cta-acts{display:flex;gap:12px;flex-wrap:wrap}

/* =====================  FAQ 手风琴  ===================== */
.faq{margin-top:clamp(40px,5vw,64px)}
.faq-list{margin-top:20px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 4px;background:none;border:0;cursor:pointer;text-align:left;font-family:inherit;
  font-size:clamp(15px,1.7vw,17px);font-weight:600;color:var(--ink);transition:color .28s;
}
.faq-q:hover{color:var(--accent)}
.faq-q i{
  position:relative;width:16px;height:16px;flex:none;transition:transform .45s var(--ease);
}
.faq-q i::before,.faq-q i::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
}
.faq-q i::before{left:0;top:7px;width:16px;height:1.6px}
.faq-q i::after{top:0;left:7px;width:1.6px;height:16px;transition:transform .45s var(--ease),opacity .3s}
.faq-item.open .faq-q i{transform:rotate(180deg)}
.faq-item.open .faq-q i::after{transform:scaleY(0);opacity:0}
.faq-a{
  overflow:hidden;max-height:0;opacity:0;
  transition:max-height .55s var(--ease),opacity .45s var(--ease),padding .45s var(--ease);
}
.faq-item.open .faq-a{max-height:320px;opacity:1;padding-bottom:22px}
.faq-a p{font-size:14.5px;color:var(--muted);max-width:760px}

/* =====================  页脚联系方式  ===================== */
.f-contact{margin-top:20px;display:grid;gap:9px}
.f-contact li{font-size:13px;color:var(--muted);display:flex;gap:10px}
.f-contact li span{
  flex:none;font-size:11px;letter-spacing:.16em;color:var(--ink-2);
  border:1px solid var(--line);border-radius:6px;padding:1px 7px;line-height:1.7;
}
.f-contact a:hover{color:var(--accent)}

/* =====================  磁吸按钮  ===================== */
.magnetic{will-change:transform}

/* =====================  轻提示  ===================== */
.toast{
  position:fixed;left:50%;bottom:36px;z-index:200;
  transform:translate(-50%,20px);opacity:0;pointer-events:none;
  padding:11px 22px;border-radius:999px;font-size:13.5px;
  background:var(--ink);color:var(--bg);box-shadow:var(--shadow);
  transition:opacity .35s var(--ease),transform .45s var(--ease);
}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* =====================  新增响应式  ===================== */
@media (max-width:860px){
  .store-grid{grid-template-columns:1fr;max-width:720px;margin-inline:auto}
}
@media (max-width:620px){
  .store-photo-wrap{aspect-ratio:1.48}
  .contact-qr{flex-direction:column;align-items:center;text-align:center;padding:20px 18px}
  .qr-col{align-items:center}
  .qr-copy{text-align:left;min-width:0;width:100%}
  .qr-hint{justify-content:flex-start}
  .contact-direct{align-items:flex-start;flex-direction:column;gap:0}
  .contact-direct .direct-item{width:100%}
  .contact-direct .direct-item+.direct-item{margin-top:14px;padding-top:14px;border-top:1px solid var(--line)}
  .contact-direct .cc-copy{margin-top:16px}
  .sec-head h2{max-width:100%;overflow-wrap:anywhere;word-break:break-word}
  .split .chx{display:inline;transform:none}
  .faq-q{font-size:15px;padding:18px 2px}
  .toast{width:max-content;max-width:88vw;text-align:center}
}

/* =====================  原创著作展厅  ===================== */
.works-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(16px,2.2vw,26px)}
.work-card{
  position:relative;overflow:hidden;border:1px solid var(--line);border-radius:var(--r);
  background:var(--panel);backdrop-filter:blur(10px);
  transition:transform .45s var(--ease),border-color .35s,box-shadow .45s;
}
.work-card:hover{transform:translateY(-7px);border-color:var(--line-2);box-shadow:var(--shadow)}
.work-link{display:block;height:100%}
.book-cover,.detail-cover-art{
  position:relative;isolation:isolate;overflow:hidden;display:flex;flex-direction:column;align-items:flex-start;
  justify-content:center;min-height:290px;padding:clamp(24px,3vw,38px);color:#fff;
  background:linear-gradient(145deg,#25225f,#5537a7 52%,#13869e);
}
.book-cover::before,.detail-cover-art::before{
  content:"";position:absolute;z-index:-1;inset:0;opacity:.7;
  background:repeating-linear-gradient(135deg,transparent 0 26px,rgba(255,255,255,.055) 27px 28px,transparent 29px 54px);
}
.book-cover::after,.detail-cover-art::after{
  content:"";position:absolute;z-index:-1;inset:12px;border:1px solid rgba(255,255,255,.24);pointer-events:none;
}
.cover-philosophy{background:linear-gradient(145deg,#241d5b,#5c42b5 50%,#1499a6)}
.cover-family{background:linear-gradient(145deg,#6e302f,#c56f51 54%,#e2a54d)}
.cover-photo.cover-philosophy{background:#fdfd13}
.cover-photo.cover-family{background:#fe0911}
.cover-photo.cover-energy{background:#7409b1}
/* 实拍封面：关掉装饰底纹与内描边，避免原图四周出现多余纹路 */
.cover-photo::before,.cover-photo::after{display:none}
.cover-energy{background:linear-gradient(145deg,#163c50,#147f91 52%,#69a278)}
.cover-brand{font-size:10px;letter-spacing:.24em;opacity:.78;position:relative;z-index:1}
.book-cover>b,.detail-cover-art>b{font-size:clamp(34px,4vw,48px);line-height:1.16;letter-spacing:.12em;margin:24px 0 12px;position:relative;z-index:1}
.cover-subtitle{font-size:12px;letter-spacing:.16em;opacity:.82;position:relative;z-index:1}
.cover-photo{padding:0;overflow:hidden}
.cover-photo-img{
  position:absolute;inset:0;display:block;width:100%;height:100%;object-fit:cover;object-position:center;
  transition:transform .9s var(--ease);
}
/* 两张新封面均为直立竖版原图，完整展示、不旋转、不裁切 */
.book-cover.cover-photo{aspect-ratio:.75;min-height:0}
.cover-photo-img{object-fit:contain;background:transparent}
.work-card:hover .cover-photo-img{transform:scale(1.025)}
.cover-placeholder{position:absolute;right:22px;bottom:20px;font-size:10px;letter-spacing:.12em;opacity:.7}
.cover-orbit{position:absolute;border:1px solid rgba(255,255,255,.35);border-radius:50%;pointer-events:none}
.orbit-one{width:190px;height:190px;right:-34px;top:-54px}
.orbit-two{width:120px;height:120px;right:0;top:-18px;border-style:dashed}
.work-card:nth-child(2) .orbit-one{width:210px;height:160px;transform:rotate(-32deg);right:-48px;top:-24px}
.work-card:nth-child(3) .orbit-one{width:170px;height:170px;right:-16px;top:10px}
.work-card:nth-child(3) .orbit-two{width:110px;height:110px;right:14px;top:40px}
.work-info{padding:24px 25px 26px}
.work-index{font-size:10px;letter-spacing:.19em;color:var(--accent);font-weight:700}
.work-info h3{font-size:20px;margin:9px 0 10px}
.work-info p{font-size:13.5px;color:var(--muted);min-height:70px}
.work-meta{display:flex;align-items:center;gap:8px;margin-top:16px;font-size:11px;color:var(--ink-2)}
.work-meta i{width:5px;height:5px;border-radius:50%;background:var(--accent)}
.work-cta{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);margin-top:18px;padding-top:15px;font-size:13px;color:var(--accent);font-weight:700}
.work-cta b{font-size:17px;transition:transform .3s var(--ease)}
.work-card:hover .work-cta b{transform:translate(3px,-3px)}
.patent-note{
  display:flex;align-items:center;gap:16px;margin-top:clamp(24px,3vw,36px);padding:18px 22px;
  border:1px dashed var(--line-2);border-radius:14px;background:var(--panel);
}
.patent-note-mark{width:42px;height:42px;display:grid;place-items:center;flex:none;border-radius:13px;background:var(--panel-2);border:1px solid var(--line-2);font-size:13px;font-weight:800;color:var(--accent)}
.patent-note p{display:grid;gap:3px;flex:1}
.patent-note p b{font-size:13.5px}
.patent-note p span{font-size:12px;color:var(--muted)}
.patent-note-count{font-size:9px;letter-spacing:.15em;color:var(--muted);white-space:nowrap}

/* =====================  二级页路由与中心展开过渡  ===================== */
.route-veil{
  position:fixed;inset:0;z-index:118;pointer-events:none;
  background:radial-gradient(circle at center,color-mix(in srgb,var(--c1) 28%,var(--bg)),var(--bg) 64%);
  clip-path:circle(0 at 50% 50%);
  transition:clip-path .62s cubic-bezier(.76,0,.18,1);
}
.route-veil.cover{clip-path:circle(150vmax at 50% 50%)}
body.route-mode main>:not(#routeView),body.route-mode footer{display:none !important}
body.route-mode main>#routeView:not([hidden]){display:block;min-height:calc(100svh - 74px)}
.route-view[hidden]{display:none}
.route-view.route-enter .detail-page{animation:routePageIn .78s var(--ease) both}
@keyframes routePageIn{
  from{opacity:0;transform:translateY(22px) scale(.985);filter:blur(7px);clip-path:inset(6% 4% 0 4% round 28px)}
  to{opacity:1;transform:none;filter:none;clip-path:inset(0 round 0)}
}
.detail-page{padding:clamp(92px,11vw,132px) 0 80px;min-height:85vh}
.detail-wrap{max-width:1100px}
/* 面包屑：可点击项做成胶囊，让「返回」一眼可见 */
.detail-breadcrumb{display:flex;align-items:center;gap:12px;margin-bottom:34px;color:var(--muted);font-size:12.5px}
.detail-breadcrumb a{
  display:inline-flex;align-items:center;gap:7px;
  padding:10px 18px;border-radius:999px;
  border:1px solid var(--line-2);background:var(--panel);color:var(--ink-2);font-weight:600;
  box-shadow:0 6px 18px -14px rgba(13,48,108,.55);
  transition:transform .26s var(--ease),border-color .26s,color .26s,box-shadow .26s;
}
.detail-breadcrumb a:hover{
  color:var(--accent);border-color:var(--accent);transform:translateY(-2px);
  box-shadow:0 12px 24px -14px rgba(13,48,108,.65);
}
.detail-hero{display:grid;grid-template-columns:minmax(250px,.72fr) minmax(0,1.28fr);gap:clamp(34px,7vw,92px);align-items:center}
.detail-cover-frame{width:min(100%,370px);margin:auto;padding:12px;border-radius:22px;background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow);transform:rotate(-2deg)}
.detail-cover-art{aspect-ratio:.76;min-height:420px;border-radius:12px;padding:34px}
.detail-cover-art>b{font-size:clamp(42px,5vw,60px)}
.detail-hero-copy{max-width:650px}
.detail-kicker{font-size:10px;font-weight:700;letter-spacing:.24em;color:var(--accent)}
.detail-hero-copy h1,.system-detail-hero h1{font-size:clamp(36px,5.4vw,64px);font-weight:800;letter-spacing:.04em;margin:15px 0 18px}
.detail-lead{font-size:clamp(15px,1.8vw,18px);line-height:1.9;color:var(--ink-2);max-width:620px}
/* 详情页首屏「著作档案」信息面板 */
.book-facts{
  margin:26px 0 28px;padding:clamp(18px,2.4vw,24px);border-radius:18px;border:1px solid var(--line);
  background:linear-gradient(145deg,var(--panel),color-mix(in srgb,var(--accent) 7%,var(--panel)));
  box-shadow:0 1px 0 rgba(255,255,255,.5) inset;
}
.book-facts-head{display:block;font-size:10px;font-weight:700;letter-spacing:.24em;color:var(--accent);margin-bottom:16px}
.book-facts-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 20px;margin:0}
.book-facts-grid>div{min-width:0}
.book-facts-grid dt{font-size:10px;letter-spacing:.12em;color:var(--muted);margin-bottom:7px}
.book-facts-grid dd{margin:0;font-size:14px;font-weight:600;color:var(--ink-2);line-height:1.6}
.book-facts-grid .is-wide{
  grid-column:1/-1;padding-top:14px;border-top:1px dashed var(--line);
  display:grid;grid-template-columns:auto minmax(0,1fr);align-items:baseline;gap:6px 18px;
}
.book-facts-grid .is-wide dt{margin-bottom:0;white-space:nowrap}
.book-facts-grid .is-wide dd{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:12.5px;font-weight:600;letter-spacing:.02em;color:var(--accent);word-break:break-all;
}
.detail-progress{display:flex;align-items:center;gap:16px;margin:clamp(48px,7vw,80px) 0;color:var(--muted);font-size:10px;letter-spacing:.2em}
.detail-progress i{height:1px;flex:1;background:linear-gradient(90deg,transparent,var(--line-2),transparent)}
.detail-block{margin-top:clamp(58px,8vw,96px)}
.detail-section-head{max-width:740px;margin-bottom:30px}
.detail-section-head h2{font-size:clamp(26px,4vw,40px);margin:8px 0 12px}
.detail-section-head p{font-size:14px;color:var(--muted);line-height:1.8}
/* 八大系统总结：大道至简逻辑链 + 修炼误区 */
.system-outro{margin-top:clamp(40px,6vw,64px);padding-top:clamp(30px,4vw,44px);border-top:1px solid var(--line)}
.system-outro .detail-section-head{max-width:820px}
.logic-chain{
  list-style:none;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:26px 0 30px;
}
.logic-chain li{
  position:relative;display:flex;flex-direction:column;align-items:center;gap:8px;
  padding:16px 12px;border-radius:14px;background:var(--panel);border:1px solid var(--line);
  text-align:center;transition:transform .3s var(--ease),border-color .3s;
  animation:systemCardIn .6s var(--ease) both;animation-delay:calc(var(--i)*45ms);
}
.logic-chain li:hover{transform:translateY(-4px);border-color:var(--line-2)}
.logic-chain li span{font-size:11px;font-weight:700;letter-spacing:.1em;color:var(--accent)}
.logic-chain li b{font-size:14px;color:var(--ink)}
/* 连接线：画在格子右侧间隙上，行末（第4、8项）与末项不画 */
.logic-chain li[data-arrow="true"]::after{
  content:"→";position:absolute;right:-12px;top:50%;transform:translateY(-50%);
  color:var(--muted);opacity:.55;font-size:14px;line-height:1;
}
.logic-chain li:nth-child(4)::after,.logic-chain li:nth-child(8)::after{content:none}
/* 换行后的行首补一个折角箭头，提示层级延续 */
.logic-chain li:nth-child(5)::before{
  content:"↳";position:absolute;left:-14px;top:50%;transform:translateY(-50%);
  color:var(--muted);opacity:.55;font-size:14px;line-height:1;
}
.pitfall-card{
  position:relative;padding:26px 28px;border-radius:18px;
  background:color-mix(in srgb,var(--c4,#ff5fb0) 6%,var(--panel));
  border:1px solid color-mix(in srgb,var(--c4,#ff5fb0) 26%,var(--line));
}
.pitfall-badge{
  display:inline-block;padding:5px 12px;border-radius:999px;font-size:11px;letter-spacing:.16em;font-weight:700;
  color:#fff;background:linear-gradient(100deg,var(--c1,#7c5cff),var(--c4,#ff5fb0));margin-bottom:14px;
}
.pitfall-card h3{font-size:clamp(18px,2.4vw,22px);margin-bottom:10px}
.pitfall-card p{font-size:14.5px;color:var(--ink-2);line-height:1.8}
@media (max-width:900px){
  .logic-chain{grid-template-columns:repeat(2,minmax(0,1fr))}
  .logic-chain li:nth-child(2n)::after{content:none}
  .logic-chain li:nth-child(5)::before{content:none}
  .logic-chain li:nth-child(3n+1):not(:first-child)::before{
    content:"↳";position:absolute;left:-13px;top:50%;transform:translateY(-50%);
    color:var(--muted);opacity:.55;font-size:14px;line-height:1;
  }
  .pitfall-card{padding:20px 18px}
}
.system-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.system-card{
  position:relative;isolation:isolate;overflow:hidden;min-width:0;min-height:230px;display:block;padding:19px;
  border-radius:18px;background:var(--panel);border:1px solid var(--line);
  transition:transform .38s var(--ease),border-color .3s,background .3s,box-shadow .38s var(--ease);
  animation:systemCardIn .65s var(--ease) both;animation-delay:calc(var(--i)*55ms);
}
.system-card::before{
  content:"";position:absolute;z-index:-1;width:190px;height:190px;right:-88px;top:-88px;border-radius:50%;
  border:1px solid color-mix(in srgb,var(--sys-color,#8b8da8) 32%,transparent);
  box-shadow:0 0 0 13px color-mix(in srgb,var(--sys-color,#8b8da8) 5%,transparent),
    0 0 0 34px color-mix(in srgb,var(--sys-color,#8b8da8) 4%,transparent),
    0 0 0 58px color-mix(in srgb,var(--sys-color,#8b8da8) 3%,transparent);
}
.system-card::after{
  content:"";position:absolute;z-index:-1;inset:0;opacity:.25;pointer-events:none;
  background-image:linear-gradient(135deg,transparent 48.8%,color-mix(in srgb,var(--sys-color,#8b8da8) 30%,transparent) 49.4%,transparent 50%),
    linear-gradient(45deg,transparent 48.8%,color-mix(in srgb,var(--sys-color,#8b8da8) 18%,transparent) 49.4%,transparent 50%);
  background-size:34px 34px;background-position:right top;
  mask-image:linear-gradient(135deg,transparent 34%,#000 100%);
}
.system-card:hover{transform:translateY(-5px);border-color:color-mix(in srgb,var(--sys-color,var(--accent)) 62%,var(--line));background:var(--panel-2);box-shadow:0 18px 38px color-mix(in srgb,var(--sys-color,#8b8da8) 13%,transparent)}
.system-card-content{position:relative;z-index:1;display:flex;flex-direction:column;align-items:flex-start;min-height:190px}
.system-card-top{display:flex;align-items:center;justify-content:space-between;width:100%;gap:10px}
.system-number{font-size:9px;letter-spacing:.18em;color:var(--sys-color,var(--accent));font-weight:800}
.system-index{font-size:20px;font-weight:800;letter-spacing:-.06em;color:color-mix(in srgb,var(--sys-color,#8b8da8) 25%,transparent)}
.system-card>b{display:block;max-width:100%;padding-right:12px;font-size:clamp(14px,1.28vw,17px);line-height:1.55;margin:10px 0 7px;color:var(--ink)}
.system-note{display:inline-flex;align-items:center;gap:7px;padding:4px 8px;border-radius:999px;background:color-mix(in srgb,var(--sys-color,#8b8da8) 10%,var(--panel-2));border:1px solid color-mix(in srgb,var(--sys-color,#8b8da8) 22%,transparent);color:var(--ink-2);font-size:10px;line-height:1.4}
.system-note::before{content:"";width:5px;height:5px;flex:none;border-radius:50%;background:var(--sys-color,#8b8da8);box-shadow:0 0 10px var(--sys-color,#8b8da8)}
.system-focus{margin-top:10px;font-size:12px;line-height:1.65;color:var(--muted)}
.system-art{position:absolute;z-index:0;right:22px;top:50px;width:66px;height:66px;display:grid;place-items:center;color:var(--sys-color,#8b8da8);opacity:.22;pointer-events:none}
.system-art i{position:absolute;width:100%;height:100%;border:1px solid currentColor;border-radius:50%;transform:rotate(35deg) scaleX(.56)}
.system-art i:nth-child(2){transform:rotate(-35deg) scaleX(.56)}
.system-art i:nth-child(3){width:70%;height:70%;border-style:dashed;transform:rotate(15deg)}
.system-art span{font-size:32px;line-height:1;text-shadow:0 0 24px currentColor}
.system-open{display:flex;justify-content:space-between;align-items:center;width:100%;margin-top:auto;padding-top:12px;color:var(--ink-2);font-size:10px;letter-spacing:.04em}
.system-open i{font-style:normal;color:var(--sys-color,var(--accent));font-size:15px;transition:transform .25s}
.system-card:hover .system-open i{transform:translate(2px,-2px)}
.system-grid-filled .system-card{background:linear-gradient(145deg,color-mix(in srgb,var(--sys-color) 7%,var(--panel)),color-mix(in srgb,var(--sys-color) 2%,var(--panel)) 62%,var(--panel))}
@keyframes systemCardIn{from{opacity:0;transform:translateY(20px) scale(.97)}to{opacity:1;transform:none}}
.book-content-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.book-content-grid article,.system-detail-grid article{
  padding:24px;border-radius:14px;background:var(--panel);border:1px solid var(--line);
}
.book-content-grid article>span{font-size:11px;letter-spacing:.2em;color:var(--accent)}
.book-content-grid h3{font-size:18px;margin:14px 0 8px}
.book-content-grid p{font-size:13px;color:var(--muted)}
.certificate-slot{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(260px,.9fr);gap:20px;align-items:stretch}
.certificate-document-link{
  position:relative;display:block;overflow:hidden;aspect-ratio:1.34;border:1px solid var(--line-2);
  border-radius:16px;background:var(--bg-2);box-shadow:var(--shadow);
}
.certificate-document{display:block;width:100%;height:100%;object-fit:cover;object-position:center 54%;transition:transform .55s var(--ease)}
.certificate-document-link:hover .certificate-document{transform:scale(1.025)}
.certificate-zoom-hint{
  position:absolute;right:12px;bottom:12px;display:flex;align-items:center;gap:8px;padding:7px 11px;
  border:1px solid rgba(255,255,255,.35);border-radius:999px;background:rgba(20,27,58,.78);
  color:#fff;font-size:11px;letter-spacing:.04em;backdrop-filter:blur(8px);
}
.certificate-zoom-hint i{font-style:normal;font-size:14px}
.certificate-paper{
  min-height:270px;position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  padding:30px;border:1px dashed color-mix(in srgb,var(--accent) 45%,var(--line));border-radius:16px;
  background:linear-gradient(145deg,var(--panel),color-mix(in srgb,var(--accent) 6%,var(--panel)));
  text-align:center;overflow:hidden;
}
.certificate-paper::before{content:"";position:absolute;inset:14px;border:1px solid var(--line);border-radius:10px;pointer-events:none}
.certificate-stamp{position:absolute;right:34px;bottom:31px;width:52px;height:52px;display:grid;place-items:center;border:1px solid var(--accent);border-radius:50%;color:var(--accent);font-size:11px;line-height:1.3;transform:rotate(-12deg);opacity:.72}
.cert-paper-kicker{font-size:9px;letter-spacing:.24em;color:var(--muted)}
.certificate-paper>b{font-family:serif;font-size:clamp(21px,3vw,30px);font-weight:500;letter-spacing:.18em}
.cert-paper-line{width:54%;height:1px;background:var(--line-2)}
.cert-paper-hint{font-size:11px;color:var(--muted)}
.certificate-fields{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.certificate-fields>div{padding:17px;border-radius:12px;background:var(--panel);border:1px solid var(--line)}
.certificate-fields span{display:block;font-size:10px;letter-spacing:.12em;color:var(--muted);margin-bottom:8px}
.certificate-fields b{font-size:13px;color:var(--ink-2)}
/* 多证书列表：一本书可登记多项作品（文字作品 / 美术作品） */
.certificate-list{display:grid;gap:22px}
.certificate-list.is-multi{gap:0}
.certificate-list.is-multi .certificate-entry+.certificate-entry{margin-top:26px;padding-top:26px;border-top:1px solid var(--line)}
.certificate-entry{display:flex;flex-direction:column;gap:12px}
.certificate-chip{display:inline-flex;align-items:center;gap:10px;font-size:11px;letter-spacing:.14em;color:var(--muted)}
.certificate-chip i{font-style:normal;display:grid;place-items:center;width:26px;height:26px;border-radius:50%;border:1px solid var(--line-2);font-size:10px;letter-spacing:.04em;color:var(--accent)}
/* 数字版证书：整张完整呈现、不裁切；扫描件照旧铺满 */
.certificate-document-link.is-doc{background:#fdfeee}
.certificate-document-link.is-doc .certificate-document{object-fit:contain;object-position:center}
.certificate-document-link.is-scan .certificate-document{object-fit:cover;object-position:center 54%}
/* 底部「返回 / 下一个」：做成一枚次要胶囊 + 一枚渐变主按钮 */
.detail-bottom-nav{
  display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;
  margin-top:clamp(52px,7vw,78px);padding-top:26px;border-top:1px solid var(--line);
  font-size:13.5px;color:var(--ink-2);
}
.detail-bottom-nav a{
  display:inline-flex;align-items:center;gap:9px;
  padding:14px 26px;border-radius:999px;
  border:1px solid var(--line-2);background:var(--panel);color:var(--ink-2);font-weight:700;
  box-shadow:0 8px 20px -16px rgba(13,48,108,.55);
  transition:transform .28s var(--ease),box-shadow .28s,border-color .28s,color .28s;
}
.detail-bottom-nav a:last-child{
  color:#fff;border-color:transparent;background:var(--grad);
  box-shadow:0 16px 32px -18px rgba(13,48,108,.8);
}
.detail-bottom-nav a:hover{transform:translateY(-3px)}
.detail-bottom-nav a:first-child:hover{color:var(--accent);border-color:var(--accent);box-shadow:0 14px 26px -16px rgba(13,48,108,.7)}
.detail-bottom-nav a:last-child:hover{box-shadow:0 20px 40px -18px rgba(13,48,108,.9)}
.detail-bottom-nav a:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.detail-bottom-nav span{color:inherit;margin-left:2px}
.system-detail-hero{display:flex;gap:clamp(24px,5vw,60px);align-items:center;padding:clamp(30px,6vw,72px);border-radius:24px;background:linear-gradient(120deg,color-mix(in srgb,var(--c1) 12%,var(--panel)),color-mix(in srgb,var(--c2) 10%,var(--panel)));border:1px solid var(--line)}
.system-detail-number{font-size:clamp(80px,16vw,180px);line-height:.9;font-weight:800;letter-spacing:-.08em;color:color-mix(in srgb,var(--accent) 32%,transparent)}
.system-detail-hero h1{font-size:clamp(32px,5vw,56px)}
.system-detail-hero p{max-width:660px;color:var(--muted);line-height:1.85;font-size:14px}
.system-detail-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:28px}
.system-detail-grid article{min-height:170px}
.system-detail-grid article>span{font-size:9px;letter-spacing:.2em;color:var(--accent);font-weight:700}
.system-detail-grid h2{font-size:19px;margin:14px 0 8px}
.system-detail-grid p{font-size:13px;color:var(--muted);line-height:1.75}

/* 家庭教育八大系统：克制的半透明科幻星图，图案避开文字阅读区 */
.family-system-hero{
  position:relative;isolation:isolate;overflow:hidden;display:grid;
  grid-template-columns:minmax(190px,.52fr) minmax(0,1.48fr);align-items:center;
  gap:clamp(28px,5vw,68px);padding:clamp(28px,5vw,64px);
  border:1px solid color-mix(in srgb,var(--sys-color) 25%,var(--line));
  background:radial-gradient(ellipse at 12% 46%,color-mix(in srgb,var(--sys-color) 16%,transparent),transparent 36%),
    linear-gradient(125deg,color-mix(in srgb,var(--sys-color) 7%,var(--panel)),color-mix(in srgb,var(--panel) 96%,transparent) 58%,var(--panel));
  box-shadow:var(--shadow);border-radius:26px;
}
.family-system-hero::before{
  content:"";position:absolute;z-index:-1;inset:0;opacity:.35;pointer-events:none;
  background-image:linear-gradient(90deg,color-mix(in srgb,var(--sys-color) 10%,transparent) 1px,transparent 1px),
    linear-gradient(0deg,color-mix(in srgb,var(--sys-color) 10%,transparent) 1px,transparent 1px);
  background-size:34px 34px;mask-image:linear-gradient(90deg,#000 0%,transparent 58%);
}
.family-system-hero::after{
  content:"";position:absolute;z-index:-1;width:480px;height:480px;left:-170px;top:50%;transform:translateY(-50%);
  border:1px solid color-mix(in srgb,var(--sys-color) 16%,transparent);border-radius:50%;
  box-shadow:0 0 0 24px color-mix(in srgb,var(--sys-color) 3%,transparent),0 0 0 68px color-mix(in srgb,var(--sys-color) 3%,transparent),0 0 0 126px color-mix(in srgb,var(--sys-color) 2%,transparent);
  pointer-events:none;
}
.system-hero-art{
  position:relative;isolation:isolate;overflow:hidden;aspect-ratio:1;max-width:250px;width:100%;margin:auto;
  display:grid;place-items:center;border:1px solid color-mix(in srgb,var(--sys-color) 32%,var(--line));
  border-radius:50%;background:radial-gradient(circle,color-mix(in srgb,var(--sys-color) 14%,var(--panel)),color-mix(in srgb,var(--panel) 78%,transparent) 58%,transparent 72%);
  color:var(--sys-color);box-shadow:inset 0 0 48px color-mix(in srgb,var(--sys-color) 10%,transparent),0 0 50px color-mix(in srgb,var(--sys-color) 9%,transparent);
}
.system-hero-art::before,.system-hero-art::after{content:"";position:absolute;inset:13%;border:1px solid color-mix(in srgb,var(--sys-color) 35%,transparent);border-radius:50%;transform:scaleX(.56) rotate(42deg)}
.system-hero-art::after{inset:22%;transform:scaleX(.7) rotate(-42deg);border-style:dashed;opacity:.72}
.system-hero-art i{position:absolute;inset:7%;border:1px dashed color-mix(in srgb,var(--sys-color) 22%,transparent);border-radius:50%;transform:rotate(18deg)}
.system-hero-art i:nth-child(2){inset:0;transform:rotate(-18deg) scaleX(.8);border-style:solid;opacity:.55}
.system-hero-art i:nth-child(3){inset:30%;border-style:solid;opacity:.7}
.system-hero-art span{position:relative;z-index:1;font-size:clamp(64px,9vw,110px);line-height:1;text-shadow:0 0 32px color-mix(in srgb,var(--sys-color) 60%,transparent)}
.system-hero-art small{position:absolute;bottom:19%;font-size:8px;letter-spacing:.28em;color:var(--ink-2);font-weight:800}
.system-hero-copy{position:relative;z-index:1;max-width:760px}
.system-hero-copy .detail-kicker{display:inline-flex;align-items:center;gap:9px;flex-wrap:wrap;color:var(--sys-color);letter-spacing:.12em;line-height:1.7}
.system-hero-copy .detail-kicker::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--sys-color);box-shadow:0 0 14px var(--sys-color)}
.system-hero-copy h1{font-size:clamp(30px,4.3vw,52px);line-height:1.3;letter-spacing:.02em;margin:16px 0 18px;color:var(--ink)}
.system-hero-copy>p{max-width:700px;font-size:clamp(14px,1.55vw,16px);line-height:2;color:var(--ink-2)}
.system-focus-line{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:24px;padding-top:18px;border-top:1px solid color-mix(in srgb,var(--sys-color) 20%,var(--line))}
.system-focus-line span{font-size:10px;color:var(--muted);letter-spacing:.15em}
.system-focus-line b{font-size:13px;color:var(--sys-color);letter-spacing:.04em}
.system-detail-section{margin-top:clamp(42px,6vw,68px)}
.system-detail-heading{margin-bottom:20px}
.system-detail-heading h2{font-size:clamp(22px,3vw,30px);margin-top:8px}
.system-detail-grid-rich{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.system-detail-grid-rich article{position:relative;overflow:hidden;min-height:160px;background:linear-gradient(145deg,color-mix(in srgb,var(--sys-color) 6%,var(--panel)),var(--panel));border-color:color-mix(in srgb,var(--sys-color) 14%,var(--line))}
.system-detail-grid-rich article::after{content:"";position:absolute;width:90px;height:90px;right:-38px;top:-38px;border:1px solid color-mix(in srgb,var(--sys-color) 26%,transparent);border-radius:50%;box-shadow:0 0 0 12px color-mix(in srgb,var(--sys-color) 3%,transparent),0 0 0 26px color-mix(in srgb,var(--sys-color) 2%,transparent);pointer-events:none}
.system-detail-grid-rich article>span{color:var(--sys-color)}
.system-detail-grid-rich article h2{max-width:90%;font-size:16px;line-height:1.65;margin:13px 0 8px}
.system-detail-grid-rich article p{font-size:12px}

/* ---------- 系统卡片原位飞入 / 中央翻面弹窗 ---------- */
.system-card-launching{visibility:hidden!important}
.system-modal-layer{position:fixed;z-index:500;inset:0;opacity:0;pointer-events:none;transition:opacity .3s ease}
.system-modal-layer.is-visible{opacity:1;pointer-events:auto}
.system-modal-backdrop{position:absolute;inset:0;background:rgba(17,23,50,.58);backdrop-filter:blur(9px);-webkit-backdrop-filter:blur(9px)}
.system-modal-shell{
  position:fixed;z-index:1;top:0;left:0;width:280px;height:230px;
  perspective:1400px;transform:perspective(1400px) rotateY(-9deg) scale(.86);transform-origin:center;
  border-radius:18px;transition:top .76s cubic-bezier(.18,.72,.18,1),left .76s cubic-bezier(.18,.72,.18,1),
    width .76s cubic-bezier(.18,.72,.18,1),height .76s cubic-bezier(.18,.72,.18,1),
    transform .76s cubic-bezier(.18,.72,.18,1),border-radius .76s cubic-bezier(.18,.72,.18,1);
  will-change:top,left,width,height,transform;border:0;background:transparent;outline:none;
}
.system-modal-shell.is-centered{top:50%!important;left:50%!important;width:min(790px,calc(100vw - 36px))!important;height:min(690px,calc(100dvh - 48px))!important;transform:translate(-50%,-50%) perspective(1400px) rotateY(0deg) scale(1);border-radius:24px}
.system-modal-shell.is-returning{
  top:var(--origin-top)!important;left:var(--origin-left)!important;width:var(--origin-width)!important;height:var(--origin-height)!important;
  transform:perspective(1400px) rotateY(-9deg) scale(.86);border-radius:18px
}
.system-modal-flipper{position:relative;width:100%;height:100%;transform-style:preserve-3d;transition:transform .72s cubic-bezier(.2,.72,.18,1)}
.system-modal-shell.is-flipped .system-modal-flipper{transform:rotateY(180deg)}
.system-modal-face{
  position:absolute;inset:0;overflow:hidden;border-radius:24px;backface-visibility:hidden;-webkit-backface-visibility:hidden;
  box-shadow:0 30px 100px rgba(10,17,48,.3);border:1px solid color-mix(in srgb,var(--sys-color,#8b8da8) 34%,var(--line));
}
.system-modal-front.system-card{
  width:100%;height:100%;min-height:0;padding:22px;cursor:default;animation:none!important;transition:none!important;
  transform:none!important;border-radius:24px;pointer-events:none;
}
.system-modal-front .system-card-content{min-height:100%;}
.system-modal-front .system-card>b{font-size:clamp(20px,3vw,30px);margin:18px 0 11px}
.system-modal-front .system-note{font-size:12px;padding:6px 11px}
.system-modal-front .system-focus{font-size:15px;margin-top:18px}
.system-modal-front .system-art{width:120px;height:120px;right:30px;top:68px;opacity:.3}
.system-modal-front .system-art span{font-size:54px}
.system-modal-front .system-open{font-size:12px;padding-top:20px}
.system-modal-back{display:flex;flex-direction:column;background:linear-gradient(145deg,var(--panel-2),color-mix(in srgb,var(--sys-color,#8b8da8) 5%,var(--panel-2)));transform:rotateY(180deg);color:var(--ink)}
.system-modal-back::before{
  content:"";position:absolute;z-index:0;width:390px;height:390px;right:-186px;top:-190px;border:1px solid color-mix(in srgb,var(--sys-color,#8b8da8) 20%,transparent);border-radius:50%;
  box-shadow:0 0 0 22px color-mix(in srgb,var(--sys-color,#8b8da8) 3%,transparent),0 0 0 56px color-mix(in srgb,var(--sys-color,#8b8da8) 2%,transparent);pointer-events:none
}
.system-modal-header,.system-modal-body,.system-modal-footer{position:relative;z-index:1}
.system-modal-header{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:20px 26px 14px;border-bottom:1px solid var(--line)}
.system-modal-kicker{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:9px;letter-spacing:.14em;color:var(--sys-color,var(--accent));font-weight:800}
.system-modal-kicker i{width:4px;height:4px;border-radius:50%;background:var(--sys-color,var(--accent));box-shadow:0 0 9px var(--sys-color,var(--accent))}
.system-modal-close{width:36px;height:36px;display:grid;place-items:center;flex:none;border-radius:50%;border:1px solid var(--line-2);background:var(--panel);color:var(--ink);font:300 26px/1 inherit;cursor:pointer;transition:transform .25s,border-color .25s,background .25s}
.system-modal-close:hover{transform:rotate(90deg);border-color:var(--sys-color,var(--accent));background:var(--panel-2)}
.system-modal-body{overflow:auto;overscroll-behavior:contain;flex:1;padding:clamp(18px,3vw,30px) clamp(20px,4.3vw,48px) 22px;scrollbar-width:thin;scrollbar-color:color-mix(in srgb,var(--sys-color,#8b8da8) 32%,transparent) transparent}
.system-modal-identity{display:flex;align-items:center;gap:22px;min-width:0}
.system-modal-symbol{position:relative;width:92px;height:92px;display:grid;place-items:center;flex:none;border:1px solid color-mix(in srgb,var(--sys-color) 30%,var(--line));border-radius:50%;color:var(--sys-color);background:radial-gradient(circle,color-mix(in srgb,var(--sys-color) 14%,var(--panel)),color-mix(in srgb,var(--panel) 82%,transparent) 72%);box-shadow:inset 0 0 28px color-mix(in srgb,var(--sys-color) 10%,transparent),0 0 32px color-mix(in srgb,var(--sys-color) 7%,transparent)}
.system-modal-symbol::before,.system-modal-symbol::after{content:"";position:absolute;inset:12%;border:1px solid color-mix(in srgb,var(--sys-color) 38%,transparent);border-radius:50%;transform:scaleX(.52) rotate(38deg)}
.system-modal-symbol::after{transform:scaleX(.52) rotate(-38deg);border-style:dashed}
.system-modal-symbol i{position:absolute;inset:0;border:1px dashed color-mix(in srgb,var(--sys-color) 20%,transparent);border-radius:50%}
.system-modal-symbol i:nth-child(2){inset:22%;border-style:solid;opacity:.6}
.system-modal-symbol span{position:relative;z-index:1;font-size:39px;text-shadow:0 0 20px color-mix(in srgb,var(--sys-color) 52%,transparent)}
.system-modal-title-wrap{min-width:0}
.system-modal-note{display:inline-flex;align-items:center;gap:7px;padding:5px 10px;border-radius:999px;background:color-mix(in srgb,var(--sys-color) 9%,var(--panel-2));border:1px solid color-mix(in srgb,var(--sys-color) 20%,transparent);color:var(--ink-2);font-size:10px}
.system-modal-title-wrap h2{font-size:clamp(22px,3vw,34px);line-height:1.4;margin-top:12px;letter-spacing:.01em;color:var(--ink)}
.system-modal-summary{font-size:clamp(14px,1.5vw,16px);line-height:1.95;color:var(--ink-2);margin:20px 0 16px;max-width:700px}
.system-modal-focus{display:flex;align-items:center;gap:13px;flex-wrap:wrap;padding:12px 15px;border-left:2px solid var(--sys-color);background:color-mix(in srgb,var(--sys-color) 7%,var(--panel-2));border-radius:0 12px 12px 0}
.system-modal-focus span{font-size:10px;letter-spacing:.12em;color:var(--muted)}
.system-modal-focus b{font-size:13px;color:var(--sys-color)}
.system-modal-points-head{display:grid;gap:5px;margin:22px 0 12px}
.system-modal-points-head span{font-size:8px;letter-spacing:.2em;color:var(--sys-color);font-weight:800}
.system-modal-points-head b{font-size:15px;color:var(--ink)}
.system-modal-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.system-modal-points article{position:relative;overflow:hidden;min-height:96px;padding:13px 14px;border:1px solid color-mix(in srgb,var(--sys-color) 15%,var(--line));border-radius:13px;background:color-mix(in srgb,var(--sys-color) 4%,var(--panel-2))}
.system-modal-points article>span{font-size:9px;font-weight:800;letter-spacing:.14em;color:var(--sys-color)}
.system-modal-points article p{position:relative;z-index:1;font-size:12px;line-height:1.65;color:var(--ink-2);margin-top:9px}
.system-modal-points article>i{position:absolute;width:42px;height:42px;right:-20px;top:-20px;border:1px solid color-mix(in srgb,var(--sys-color) 20%,transparent);border-radius:50%;box-shadow:0 0 0 8px color-mix(in srgb,var(--sys-color) 3%,transparent)}
.system-modal-footer{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 24px 18px;border-top:1px solid var(--line);background:color-mix(in srgb,var(--panel) 88%,transparent)}
.system-modal-step{min-width:0;max-width:42%;display:flex;align-items:center;gap:10px;padding:8px 10px;border:1px solid transparent;border-radius:12px;background:transparent;color:var(--ink-2);cursor:pointer;text-align:left;transition:background .2s,border-color .2s}
.system-modal-step:hover{background:var(--panel-2);border-color:color-mix(in srgb,var(--sys-color) 25%,var(--line))}
.system-modal-step>span:first-child:last-child{font-size:18px;color:var(--sys-color)}
.system-modal-step>span:last-child:first-child{font-size:18px;color:var(--sys-color)}
.system-modal-step span:nth-child(2),.system-modal-step span:first-child:not(:only-child){display:grid;gap:3px;min-width:0}
.system-modal-step small{font-size:7px;letter-spacing:.17em;color:var(--sys-color);font-weight:800}
.system-modal-step b{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:210px;font-size:10px;font-weight:600}
.system-modal-step.next{text-align:right}
.system-modal-count{flex:none;font-size:16px;font-weight:800;color:var(--sys-color);letter-spacing:.08em}
.system-modal-count i{font-style:normal;font-size:10px;color:var(--muted);margin:0 4px}
.system-modal-back.is-refreshing .system-modal-body{opacity:.15;transform:translateY(5px)}
.system-modal-body{transition:opacity .2s,transform .2s}

@media (max-width:760px){
  .system-modal-shell.is-centered{width:calc(100vw - 28px)!important;height:min(760px,calc(100dvh - 28px))!important}
  .system-modal-header{padding:15px 16px 11px}
  .system-modal-body{padding:16px 18px 18px}
  .system-modal-identity{gap:14px}
  .system-modal-symbol{width:70px;height:70px}
  .system-modal-symbol span{font-size:30px}
  .system-modal-title-wrap h2{font-size:22px;margin-top:8px}
  .system-modal-summary{font-size:13px;line-height:1.8;margin:15px 0 12px}
  .system-modal-points{grid-template-columns:1fr;gap:8px}
  .system-modal-points article{min-height:0;padding:11px 13px}
  .system-modal-points article p{margin-top:5px}
  .system-modal-footer{padding:10px 12px 12px;gap:4px}
  .system-modal-step{gap:6px;padding:7px 5px;max-width:43%}
  .system-modal-step b{font-size:9px;max-width:105px}
  .system-modal-step small{font-size:6px}
  .system-modal-count{font-size:13px}
}
@media (prefers-reduced-motion:reduce){
  .system-modal-layer,.system-modal-shell,.system-modal-flipper,.system-modal-body,.system-modal-close{transition:none!important;animation-duration:.01ms!important}
}

@media (max-width:980px){
  .system-detail-grid-rich{grid-template-columns:repeat(2,minmax(0,1fr))}

  .works-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .work-card:last-child{grid-column:1/-1;display:grid;grid-template-columns:.85fr 1fr}
  .work-card:last-child .book-cover{height:100%}
  .system-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:760px){
  .detail-hero{grid-template-columns:1fr;gap:38px}
  .detail-cover-frame{width:min(72%,320px)}
  .detail-cover-art{min-height:0}
  .certificate-slot{grid-template-columns:1fr}
  .certificate-paper{min-height:230px}
  .book-facts-grid{gap:12px 14px}
  .book-facts-grid .is-wide{grid-template-columns:1fr;gap:6px}
  .family-system-hero{grid-template-columns:1fr;gap:24px;padding:28px 24px}
  .system-hero-art{width:min(44vw,180px);max-width:180px}
  .system-hero-copy h1{font-size:clamp(28px,7vw,40px)}
}
@media (max-width:620px){
  .works-grid{grid-template-columns:1fr}
  .work-card:last-child{grid-column:auto;display:block}
  .work-card:last-child .book-cover{height:auto}
  .book-cover{min-height:250px}
  .work-info p{min-height:0}
  .patent-note{align-items:flex-start}
  .patent-note-count{display:none}
  .detail-page{padding-top:88px}
  .detail-breadcrumb{margin-bottom:24px;flex-wrap:wrap}
  .detail-cover-frame{width:min(82%,300px)}
  .detail-cover-art{padding:28px}
  .system-grid{grid-template-columns:1fr 1fr;gap:9px}
  .system-card{min-height:210px;padding:14px 12px}
  .system-card-content{min-height:180px}
  .system-card>b{font-size:13px;line-height:1.5}
  .system-focus{font-size:11px}
  .system-art{right:10px;top:44px;width:50px;height:50px}
  .system-art span{font-size:24px}
  .system-placeholder{font-size:10.5px}
  .book-content-grid,.system-detail-grid{grid-template-columns:1fr}
  .certificate-fields{grid-template-columns:1fr 1fr}
  .detail-bottom-nav{font-size:12.5px;gap:10px}
  .detail-bottom-nav a{padding:12px 18px;flex:1;justify-content:center}
  .detail-breadcrumb a{padding:9px 15px}
  .system-detail-hero{align-items:flex-start;flex-direction:column;gap:18px}
  .system-detail-number{font-size:80px}
}

@media (prefers-reduced-motion:reduce){
  .route-veil{transition:none}
  .route-view.route-enter .detail-page,.system-card{animation:none}
}