:root{
  --ink:#1d1d1f; --ink2:#3a3a3e; --muted:#6e6e73; --faint:#86868b;
  --bg:#ffffff; --panel:#f5f5f7; --panel2:#fbfbfd; --line:#e5e5ea;
  --card:#ffffff; --accent:#e8590c; --accent2:#ff7a1a; --accent-soft:#fff1e8;
  --green:#1f9d55; --green-soft:#e8f7ee; --blue:#2563eb; --blue-soft:#eef3ff;
  --gold:#b8860b; --shadow:0 30px 80px rgba(0,0,0,.16), 0 4px 16px rgba(0,0,0,.08);
  --radius:22px; color-scheme:light dark;
}
@media (prefers-color-scheme: dark){
  :root{
    --ink:#f5f5f7; --ink2:#d4d4d8; --muted:#a1a1a6; --faint:#8e8e93;
    --bg:#0b0b0e; --panel:#16161a; --panel2:#111114; --line:#2a2a30;
    --card:#17171b; --accent:#ff7a2f; --accent2:#ff9a4d; --accent-soft:#2a170d;
    --green:#34c47c; --green-soft:#12291c; --blue:#6b9bff; --blue-soft:#141d33;
    --shadow:0 30px 80px rgba(0,0,0,.55), 0 4px 16px rgba(0,0,0,.4);
  }
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden;max-width:100%;width:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden;max-width:100%;width:100%;position:relative}
img{max-width:100%;display:block}
a{color:inherit}
::selection{background:var(--accent);color:#fff}
.serif{font-family:"Songti SC","STSong","SimSun",serif}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.sr-only:focus{position:fixed;top:14px;left:14px;z-index:999;width:auto;height:auto;padding:10px 18px;margin:0;overflow:visible;clip:auto;white-space:normal;background:var(--accent);color:#fff;font-weight:700;border-radius:8px;box-shadow:0 8px 24px rgba(0,0,0,.25)}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
@media(max-width:640px){.wrap{padding:0 16px}}
h1,h2,h3{margin:0;line-height:1.18;letter-spacing:-.01em}
p{margin:0;line-height:1.85}
.kicker{font-size:13px;font-weight:700;letter-spacing:.22em;color:var(--accent);text-transform:uppercase}
.sec-head{max-width:760px;margin:0 auto;text-align:center}
.sec-head h2{font-family:"Songti SC","STSong","SimSun",serif;font-size:clamp(30px,4.4vw,46px);font-weight:900;margin:14px 0 14px}
.sec-head p{color:var(--muted);font-size:17px}
section{padding:110px 0}
.reveal{opacity:0;transform:translate3d(0,28px,0);transition:opacity .8s cubic-bezier(.22,1,.36,1),transform .8s cubic-bezier(.22,1,.36,1)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}

/* ---------- nav ---------- */
.site-nav{position:fixed;inset:0 0 auto 0;z-index:60;backdrop-filter:saturate(1.6) blur(18px);-webkit-backdrop-filter:saturate(1.6) blur(18px);background:color-mix(in srgb,var(--bg) 78%,transparent);border-bottom:1px solid var(--line)}
.nav-in{max-width:1180px;margin:0 auto;padding:0 24px;height:56px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;letter-spacing:.06em;font-size:15px;text-decoration:none;white-space:nowrap;color:var(--ink)}
.brand .brand-logo{width:30px;height:30px;display:block;border-radius:8px;box-shadow:0 3px 10px rgba(232,89,12,.18),0 1px 3px rgba(0,0,0,.06);transition:transform .2s ease,box-shadow .2s ease}
.brand:hover .brand-logo{transform:scale(1.06);box-shadow:0 5px 14px rgba(232,89,12,.28)}
.brand .fox{width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,#ff8a2a,#e8590c);display:grid;place-items:center;color:#fff;font-size:16px;box-shadow:0 4px 12px rgba(232,89,12,.4)}
.brand small{font-size:10px;font-weight:700;color:var(--accent);letter-spacing:.18em;border:1px solid var(--accent);border-radius:99px;padding:2px 7px;margin-left:2px}
.nav-links{margin-left:auto;display:flex;gap:24px;font-size:14px;color:var(--muted);align-items:center}
.nav-links a{text-decoration:none}
.nav-links a:hover{color:var(--ink)}

/* ---------- product matrix dropdown ---------- */
.nav-dropdown{position:relative;display:flex;align-items:center}
.matrix-trigger-badge{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:6px;background:linear-gradient(135deg,#ff8a2a 0%,#e8590c 50%,#2563eb 100%);color:#fff;flex-shrink:0;box-shadow:0 2px 6px rgba(232,89,12,.28);transition:transform .2s ease,box-shadow .2s ease}
.matrix-trigger-badge svg{width:11px;height:11px;fill:#fff;display:block}
.nav-dropdown:hover .matrix-trigger-badge,
.nav-dropdown:focus-within .matrix-trigger-badge,
.nav-dropdown.is-open .matrix-trigger-badge{transform:scale(1.1);box-shadow:0 3px 8px rgba(37,99,235,.35)}
.nav-dropdown-trigger{background:transparent;border:0;color:inherit;font:inherit;font-size:14px;padding:8px 0;display:inline-flex;align-items:center;gap:6px;cursor:pointer;color:var(--muted);transition:color .2s}
.nav-dropdown-trigger:hover,
.nav-dropdown:hover .nav-dropdown-trigger,
.nav-dropdown:focus-within .nav-dropdown-trigger,
.nav-dropdown.is-open .nav-dropdown-trigger{color:var(--ink)}
.dropdown-chevron{transition:transform .25s ease;display:inline-block;color:var(--muted)}
.nav-dropdown:hover .dropdown-chevron,
.nav-dropdown:focus-within .dropdown-chevron,
.nav-dropdown.is-open .dropdown-chevron{transform:rotate(180deg);color:var(--ink)}
.nav-dropdown-menu{
  position:absolute;
  top:calc(100% + 8px);
  right:0;
  width:380px;
  min-width:320px;
  max-width:calc(100vw - 32px);
  background:var(--card);
  border:1px solid var(--line);
  border-radius:18px;
  box-shadow:0 24px 60px rgba(0,0,0,.15),0 4px 12px rgba(0,0,0,.08);
  padding:10px;
  opacity:0;
  visibility:hidden;
  pointer-events:none;
  transform:translateY(8px);
  transition:opacity .18s cubic-bezier(.22,1,.36,1) .12s, transform .18s cubic-bezier(.22,1,.36,1) .12s, visibility .18s .12s;
  z-index:80;
}
/* Invisible hover bridge connecting trigger to menu */
.nav-dropdown-menu::before{
  content:"";
  position:absolute;
  top:-16px;
  left:0;
  right:0;
  height:20px;
  background:transparent;
}
@media (prefers-color-scheme: dark){
  .nav-dropdown-menu{box-shadow:0 24px 60px rgba(0,0,0,.55),0 4px 12px rgba(0,0,0,.35)}
}
.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu,
.nav-dropdown.is-open .nav-dropdown-menu{
  opacity:1;
  visibility:visible;
  pointer-events:auto;
  transform:translateY(0);
  transition:opacity .18s cubic-bezier(.22,1,.36,1), transform .18s cubic-bezier(.22,1,.36,1), visibility 0s;
}
.dropdown-head{font-size:11px;font-weight:700;letter-spacing:.08em;color:var(--faint);text-transform:uppercase;padding:6px 10px 8px;border-bottom:1px solid var(--line);margin-bottom:6px}
.dropdown-item{display:flex;align-items:center;gap:12px;padding:10px;border-radius:12px;text-decoration:none;transition:background .2s;color:var(--ink)}
.dropdown-item:hover{background:var(--panel)}
.dropdown-item.current{background:color-mix(in srgb,var(--accent-soft) 70%,transparent)}
.dropdown-icon{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;font-weight:900;font-size:16px;color:#fff;flex:none}
.dropdown-icon.fox-icon{background:transparent;box-shadow:none;overflow:hidden}
.dropdown-icon.fox-icon img{width:100%;height:100%;display:block;border-radius:10px;box-shadow:0 3px 10px rgba(232,89,12,.18),0 1px 3px rgba(0,0,0,.06)}
.dropdown-icon.tunnel-icon{background:linear-gradient(135deg,#3b82f6,#1d4ed8);box-shadow:0 4px 12px rgba(37,99,235,.3)}
.dropdown-text{flex:1;min-width:0}
.dropdown-name{font-size:13px;font-weight:700;display:flex;align-items:center;gap:6px;color:var(--ink)}
.dropdown-desc{font-size:12px;color:var(--muted);margin-top:3px;line-height:1.45;white-space:normal}
.badge-current{font-size:10px;font-weight:700;color:var(--accent);background:var(--accent-soft);border:1px solid color-mix(in srgb,var(--accent) 30%,transparent);border-radius:99px;padding:1px 6px;line-height:1.4}
.badge-ext{font-size:10px;font-weight:700;color:var(--blue);background:var(--blue-soft);border:1px solid color-mix(in srgb,var(--blue) 30%,transparent);border-radius:99px;padding:1px 6px;line-height:1.4}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;text-decoration:none;font-weight:700;font-size:15px;border-radius:99px;padding:12px 26px;transition:transform .25s,box-shadow .25s,background .25s;white-space:nowrap}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 10px 26px rgba(232,89,12,.32)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(232,89,12,.4)}
.btn-ghost{background:var(--panel);color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%;text-align:center}

/* ---------- mobile nav toggle & drawer ---------- */
.nav-toggle{
  display:none;
  width:36px;
  height:36px;
  border-radius:10px;
  background:var(--panel);
  border:1px solid var(--line);
  cursor:pointer;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:4px;
  padding:0;
  margin-left:auto;
  transition:background .2s ease;
}
.nav-toggle span{
  display:block;
  width:16px;
  height:2px;
  background:var(--ink);
  border-radius:2px;
  transition:transform .22s ease, opacity .22s ease;
}
.nav-toggle.is-active span:nth-child(1){
  transform:translateY(6px) rotate(45deg);
}
.nav-toggle.is-active span:nth-child(2){
  opacity:0;
}
.nav-toggle.is-active span:nth-child(3){
  transform:translateY(-6px) rotate(-45deg);
}
.nav-mobile-drawer{
  display:none;
  position:absolute;
  top:56px;
  left:0;
  right:0;
  background:var(--bg);
  border-bottom:1px solid var(--line);
  box-shadow:0 20px 40px rgba(0,0,0,.12);
  padding:16px 20px 24px;
  max-height:calc(100vh - 56px);
  max-height:calc(100dvh - 56px);
  overflow-y:auto;
  -webkit-overflow-scrolling:touch;
  z-index:75;
}
@media (prefers-color-scheme: dark){
  .nav-mobile-drawer{box-shadow:0 20px 40px rgba(0,0,0,.5)}
}
.nav-mobile-drawer.is-open{
  display:block;
}
.drawer-links{
  display:flex;
  flex-direction:column;
  gap:2px;
  padding-bottom:14px;
  border-bottom:1px solid var(--line);
}
.drawer-link{
  font-size:15px;
  font-weight:600;
  color:var(--ink);
  padding:10px 12px;
  border-radius:10px;
  text-decoration:none;
  transition:background .15s ease, color .15s ease;
}
.drawer-link:hover,
.drawer-link:active{
  background:var(--panel);
  color:var(--accent);
}
.drawer-matrix{
  margin-top:14px;
  padding-bottom:14px;
  border-bottom:1px solid var(--line);
}
.drawer-matrix-title{
  font-size:11px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--faint);
  text-transform:uppercase;
  margin-bottom:8px;
  padding-left:4px;
}
.drawer-product-card{
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:10px 12px;
  border-radius:12px;
  text-decoration:none;
  background:var(--panel2);
  border:1px solid var(--line);
  margin-bottom:8px;
  transition:border-color .2s ease;
}
.drawer-product-card:last-child{
  margin-bottom:0;
}
.drawer-product-card.current{
  background:color-mix(in srgb,var(--accent-soft) 70%,transparent);
  border-color:color-mix(in srgb,var(--accent) 30%,var(--line));
}
.drawer-action{
  margin-top:16px;
}
@media(max-width:760px){
  .nav-links{display:none}
  .nav-in{gap:12px;justify-content:space-between}
  .nav-toggle{display:flex}
  .brand small{display:none}
  .nav-cta-desktop{display:none}
}

/* ---------- hero ---------- */
.hero{padding:150px 0 30px;text-align:center;position:relative;overflow:hidden;width:100%;max-width:100%}
.hero::before{content:"";position:absolute;inset:-10% 0 auto;width:100%;height:640px;background:radial-gradient(ellipse 60% 60% at 50% 0%,rgba(255,122,26,.16),transparent 70%);pointer-events:none}
.hero h1{font-family:"Songti SC","STSong","SimSun",serif;font-weight:900;font-size:clamp(44px,7.4vw,84px);line-height:1.12;letter-spacing:-.015em}
.hero h1 .line{display:block;overflow:hidden}
.hero h1 .line span{display:inline-block;transform:translateY(110%);animation:rise 1s cubic-bezier(.22,1,.36,1) forwards}
.hero h1 .line:nth-child(2) span{animation-delay:.12s}
.hero h1 em{font-style:normal;color:var(--accent)}
@keyframes rise{to{transform:none}}
.hero-sub{
  max-width:720px;
  margin:24px auto 0;
  text-align:center;
  min-height:96px;
  cursor:default;
}
.hero-sub-line{
  margin:0 0 6px 0;
  line-height:1.6;
  color:var(--muted);
  min-height:1.6em;
}
.hero-sub-line.line-1{
  font-size:clamp(18px,2.2vw,22px);
  font-weight:700;
  color:var(--ink);
  letter-spacing:-.01em;
}
.hero-sub-line.line-2{
  font-size:clamp(15px,1.8vw,17px);
  color:var(--muted);
}
.hero-sub-line.line-3{
  font-size:clamp(14px,1.65vw,16px);
  color:var(--muted);
  margin-bottom:0;
}
.hero-sub-line em{
  font-style:normal;
  color:var(--accent);
  font-weight:700;
}
.type-cursor{
  display:inline-block;
  width:2px;
  height:1.15em;
  background:var(--accent);
  margin-left:3px;
  vertical-align:-2px;
  border-radius:1px;
  animation:cursorBlink .75s infinite;
}
@keyframes cursorBlink{
  0%,100%{opacity:1}
  50%{opacity:0}
}
@keyframes fadeUp{from{opacity:0;transform:translate3d(0,14px,0)}to{opacity:1;transform:translate3d(0,0,0)}}
.hero-cta{margin-top:34px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap;opacity:0;animation:fadeUp .9s .5s forwards}
.hero-note{margin-top:16px;font-size:13px;color:var(--faint);opacity:0;animation:fadeUp .9s .62s forwards}
.hero-stage{position:relative;max-width:1020px;margin:56px auto 0;perspective:1400px}
.hero-frame{border-radius:18px;overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line);background:var(--card);transform-origin:50% 0;will-change:transform;transform:translate3d(0,0,0);backface-visibility:hidden}
.hero-frame img{width:100%;height:auto;object-fit:contain;background:var(--panel2);cursor:zoom-in}
.frame-bar{display:flex;align-items:center;gap:7px;padding:11px 14px;background:var(--panel);border-bottom:1px solid var(--line)}
.frame-bar i{width:11px;height:11px;border-radius:50%;flex:none}
.frame-bar i:nth-child(1){background:#ff5f57}.frame-bar i:nth-child(2){background:#febc2e}.frame-bar i:nth-child(3){background:#28c840}
.frame-bar span{margin-left:8px;font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hero-frame{position:relative}
.hero-frame::after,.feat-shot::after,.shot-frame::after,.gallery-main::after{content:"点击查看大图";position:absolute;top:48px;right:12px;z-index:6;background:rgba(0,0,0,.68);color:#fff;font-size:12px;font-weight:700;padding:6px 12px;border-radius:99px;opacity:0;transition:opacity .3s;pointer-events:none;white-space:nowrap}
.hero-frame:hover::after,.feat-shot:hover::after,.shot-frame:hover::after,.gallery-main:hover::after{opacity:1}
.shot-hint-text{font-size:12px;color:var(--faint);white-space:nowrap}
.chip{position:absolute;z-index:3;background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:0 14px 34px rgba(0,0,0,.14);padding:12px 16px;text-align:left;animation:float 5.5s ease-in-out infinite}
.chip b{font-size:26px;line-height:1;font-variant-numeric:tabular-nums}
.chip span{display:block;font-size:12px;color:var(--muted);margin-top:5px}
.chip-1{left:-14px;top:12%}
.chip-2{right:-10px;bottom:16%;animation-delay:1.4s}
.chip-3{left:6%;bottom:-22px;animation-delay:2.6s}
@keyframes float{0%,100%{transform:translate3d(0,0,0)}50%{transform:translate3d(0,-9px,0)}}
@media(max-width:760px){.chip{display:none}.hero{padding-top:120px}}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:18px;overflow:hidden;max-width:980px;margin:64px auto 0}
.hero-stats div{background:var(--card);padding:26px 12px;text-align:center}
.hero-stats b{display:block;font-size:clamp(26px,3.4vw,36px);font-variant-numeric:tabular-nums}
.hero-stats span{font-size:13px;color:var(--muted);display:block;margin-top:6px;line-height:1.5}
@media(max-width:640px){.hero-stats{grid-template-columns:repeat(2,1fr)}}

/* ---------- marquee ---------- */
.marquee{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:18px 0;overflow:hidden;background:var(--panel2);margin-top:70px;width:100%;max-width:100%;contain:paint}
.marquee-track{display:flex;gap:0;width:max-content;animation:scroll 30s linear infinite;will-change:transform}
.marquee-track span{display:flex;align-items:center;gap:14px;padding-right:14px;font-family:"Songti SC","STSong","SimSun",serif;font-weight:700;font-size:19px;white-space:nowrap}
.marquee-track i{font-style:normal;color:var(--accent);font-size:14px}
@keyframes scroll{to{transform:translate3d(-50%,0,0)}}

/* ---------- scroll story ---------- */
.story{background:var(--panel)}
.story-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:56px;align-items:start}
.story-copy{position:sticky;top:110px}
.story-copy h2{font-family:"Songti SC","STSong","SimSun",serif;font-size:clamp(32px,4vw,44px);font-weight:900;margin:14px 0 16px}
.story-copy>p{color:var(--muted);font-size:16px}
.progress{height:4px;background:var(--line);border-radius:99px;overflow:hidden;margin:28px 0}
.progress i{display:block;height:100%;width:0;background:var(--accent);border-radius:99px;transition:width .3s}
.story-steps{display:flex;flex-direction:column;gap:10px;margin-top:8px}
.story-step{position:relative;isolation:isolate;border:0;background:transparent;text-align:left;padding:16px 18px;border-radius:14px;cursor:pointer;color:var(--muted);transition:color .45s;width:100%}
.story-step::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--card);border-radius:14px;box-shadow:0 8px 24px rgba(0,0,0,.06);opacity:0;transition:opacity .45s}
.story-step::after{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:99px;background:var(--accent);transform:scaleY(0);transition:transform .45s cubic-bezier(.22,1,.36,1)}
.story-step.active::before{opacity:1}
.story-step.active::after{transform:scaleY(1)}
.story-step b{display:flex;align-items:center;gap:10px;font-size:16px;color:inherit}
.story-step b .n{font-size:12px;font-weight:900;color:var(--accent);border:1px solid var(--line);background:var(--card);width:26px;height:26px;border-radius:50%;display:grid;place-items:center;flex:none}
.story-step p{font-size:14px;line-height:1.7;margin:0 0 0 36px;max-height:0;overflow:hidden;opacity:0;transform:translate3d(0,-4px,0);transition:opacity .45s,transform .45s}
.story-step.active{color:var(--ink)}
.story-step.active p{opacity:1;transform:none;max-height:240px;margin-top:8px}
.story-visual{position:sticky;top:96px}
.shot-frame{border-radius:16px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);background:var(--panel2);position:relative;aspect-ratio:1427/900}
.shot-frame::before,.gallery-main::before{content:"";position:absolute;top:0;left:0;right:0;height:34px;z-index:5;background:var(--panel);border-bottom:1px solid var(--line);background-image:radial-gradient(circle at 20px 17px,#ff5f57 5px,transparent 5.5px),radial-gradient(circle at 38px 17px,#febc2e 5px,transparent 5.5px),radial-gradient(circle at 56px 17px,#28c840 5px,transparent 5.5px);background-repeat:no-repeat}
.shot-frame img{position:absolute;top:34px;left:0;width:100%;height:calc(100% - 34px);object-fit:contain;background:var(--panel2);opacity:0;pointer-events:none;transform:translate3d(0,0,0) scale(1.04);will-change:opacity,transform;transition:opacity .55s,transform .8s cubic-bezier(.22,1,.36,1)}
.shot-frame img.on{opacity:1;pointer-events:auto;cursor:zoom-in;transform:translate3d(0,0,0) scale(1)}
.shot-cap{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-top:16px;font-size:13px;color:var(--muted)}
.shot-cap b{color:var(--ink);font-size:14px}
.tag{font-size:12px;font-weight:700;color:var(--accent);background:var(--accent-soft);padding:4px 10px;border-radius:99px;white-space:nowrap}
@media(max-width:900px){.story-grid{grid-template-columns:1fr}.story-copy,.story-visual{position:static}}

/* ---------- feature rows ---------- */
.feat{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;margin-top:90px}
.feat:first-of-type{margin-top:0}
.feat.flip .feat-text{order:2}
.feat.flip .feat-shot{order:1}
.feat-text .num{font-size:13px;font-weight:900;letter-spacing:.2em;color:var(--accent)}
.feat-text h3{font-family:"Songti SC","STSong","SimSun",serif;font-size:clamp(26px,3.2vw,36px);font-weight:900;margin:12px 0 14px}
.feat-text p{color:var(--muted);font-size:16px}
.feat-list{margin:22px 0 0;padding:0;list-style:none;display:grid;gap:12px}
.feat-list li{display:flex;gap:11px;font-size:15px;line-height:1.7}
.feat-list li::before{content:"✓";color:var(--green);font-weight:900;flex:none}
.feat-shot{position:relative;border-radius:16px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);background:var(--card);transition:transform .5s cubic-bezier(.22,1,.36,1)}
.feat-shot img{width:100%;height:auto;object-fit:contain;background:var(--panel2);cursor:zoom-in}
.feat-shot:hover{transform:translateY(-6px)}
.feat-shot figcaption{padding:13px 16px;font-size:13px;color:var(--muted);border-top:1px solid var(--line);background:var(--card)}
.score-row{display:flex;gap:10px;margin-top:24px;flex-wrap:wrap}
.score-pill{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 16px;font-size:13px;color:var(--muted)}
.score-pill b{font-size:20px;color:var(--accent);margin-right:4px;font-variant-numeric:tabular-nums}
@media(max-width:860px){.feat{grid-template-columns:1fr;gap:28px}.feat.flip .feat-text{order:1}.feat.flip .feat-shot{order:2}}

/* ---------- gallery ---------- */
.gallery{background:var(--panel)}
.gallery-view{margin-top:44px}
.gallery-main{border-radius:18px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);background:var(--panel2);position:relative;aspect-ratio:1427/900}
.gallery-main img{position:absolute;top:34px;left:0;width:100%;height:calc(100% - 34px);object-fit:contain;background:var(--panel2);cursor:zoom-in;transition:opacity .4s}
.gallery-main img.swap{opacity:0}
.gallery-cap{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;margin-top:18px;flex-wrap:wrap}
.gallery-cap h3{font-size:20px}
.gallery-cap p{color:var(--muted);font-size:14px;margin-top:6px;max-width:640px}
.thumbs{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-top:22px}
.thumb{border:2px solid transparent;border-radius:12px;overflow:hidden;padding:0;background:var(--card);cursor:pointer;transition:border-color .25s,transform .25s;text-align:left}
.thumb img{aspect-ratio:16/10;object-fit:contain;background:var(--panel2);width:100%}
.thumb span{display:block;font-size:12px;padding:8px 10px;color:var(--muted);line-height:1.4}
.thumb:hover{transform:translateY(-3px)}
.thumb.active{border-color:var(--accent)}
.thumb.active span{color:var(--ink);font-weight:700}
@media(max-width:860px){.thumbs{grid-template-columns:repeat(3,1fr)}.gallery-main{aspect-ratio:auto;padding-top:34px}.gallery-main img{position:relative;top:0;height:auto}}
@media(max-width:520px){.thumbs{grid-template-columns:repeat(2,1fr)}}

/* ---------- authors ---------- */
.author-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:44px}
.author-card{border:1px solid var(--line);background:var(--card);border-radius:16px;padding:22px;cursor:pointer;text-align:left;transition:transform .3s,border-color .3s,box-shadow .3s;font:inherit;color:inherit;width:100%}
.author-card:hover{transform:translateY(-4px)}
.author-card.active{border-color:var(--accent);box-shadow:0 14px 30px rgba(232,89,12,.14)}
.author-card .score{font-size:34px;font-weight:900;color:var(--accent);font-variant-numeric:tabular-nums}
.author-card .score small{font-size:13px;color:var(--faint)}
.author-card h3{font-family:"Songti SC","STSong","SimSun",serif;font-size:20px;margin:8px 0 4px}
.author-card .role{font-size:13px;color:var(--muted)}
.author-detail{margin-top:16px;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:28px;display:grid;grid-template-columns:1fr 240px;gap:28px;align-items:center}
.author-detail p{color:var(--muted);font-size:15px}
.author-detail .bar{height:8px;background:var(--panel);border-radius:99px;overflow:hidden;margin-top:14px}
.author-detail .bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--accent2),var(--accent));border-radius:99px;transition:width .9s cubic-bezier(.22,1,.36,1)}
.author-detail .big{font-size:56px;font-weight:900;line-height:1;text-align:center}
.author-detail .big span{display:block;font-size:13px;color:var(--muted);font-weight:400;margin-top:8px}
@media(max-width:860px){.author-grid{grid-template-columns:repeat(2,1fr)}.author-detail{grid-template-columns:1fr}.author-detail .big{text-align:left}}
@media(max-width:480px){.author-grid{grid-template-columns:1fr 1fr;gap:10px}.author-card{padding:16px}}

/* ---------- book / reader ---------- */
.book-sec{background:linear-gradient(180deg,var(--panel2),var(--bg))}
.book-grid{display:grid;grid-template-columns:340px 1fr;gap:56px;align-items:start;margin-top:48px}
.cover{aspect-ratio:3/4.2;border-radius:6px 16px 16px 6px;background:linear-gradient(160deg,#233047 0%,#101826 55%,#1c2f3a 100%);color:#f3ead8;padding:34px 28px;position:relative;overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}
.cover::before{content:"";position:absolute;right:-30px;top:-30px;width:190px;height:190px;border-radius:50%;background:radial-gradient(circle,rgba(240,220,180,.28),transparent 70%)}
.cover::after{content:"";position:absolute;left:14px;top:0;bottom:0;width:2px;background:rgba(255,255,255,.14)}
.cover .c-top{font-size:11px;letter-spacing:.34em;color:#d8c9a8}
.cover h3{font-family:"Songti SC","STSong","SimSun",serif;font-size:38px;line-height:1.3;margin:auto 0;writing-mode:vertical-rl;align-self:flex-end;letter-spacing:.12em}
.cover .c-bot{font-size:13px;color:#b9ad90;line-height:1.8}
.cover .c-bot b{color:#f3ead8;font-size:15px}
.reader{background:var(--card);border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow)}
.reader-bar{display:flex;align-items:center;gap:10px;padding:14px 18px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.reader-bar .title{font-weight:700;margin-right:auto}
.ctl{border:1px solid var(--line);background:var(--panel);border-radius:99px;padding:7px 13px;font-size:13px;cursor:pointer;font-weight:700;color:var(--ink)}
.ctl:hover{border-color:var(--accent);color:var(--accent)}
.ctl.active{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.reader-body{padding:40px 44px;min-height:380px;transition:background .3s,color .3s}
.reader-body.paper{background:#fdf8ec;color:#2b2620}
.reader-body.night{background:#141210;color:#e8e2d4}
.reader-body h4{font-family:"Songti SC","STSong","SimSun",serif;text-align:center;font-size:1.5em;margin:0 0 1.2em}
.reader-body p{text-indent:2em;margin-bottom:1em;transition:font-size .25s}
.reader-foot{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.book-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:20px}
.book-meta div{border:1px solid var(--line);border-radius:12px;padding:14px;background:var(--card)}
.book-meta b{display:block;font-size:19px}
.book-meta span{font-size:12px;color:var(--muted)}
@media(max-width:860px){.book-grid{grid-template-columns:1fr}.cover{max-width:300px;margin:0 auto;width:100%}.reader-body{padding:28px 22px}}

/* ---------- reviews & social proof ---------- */
.reviews-sec{padding:100px 0;background:var(--bg);position:relative}
.reviews-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:18px;overflow:hidden;max-width:1040px;margin:44px auto 56px;box-shadow:0 8px 24px rgba(0,0,0,.04)}
.rev-stat{background:var(--card);padding:24px 16px;text-align:center}
.rev-stat b{display:block;font-size:clamp(26px,3.2vw,36px);font-weight:900;color:var(--ink);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.rev-stat span{display:block;font-size:13px;color:var(--muted);margin-top:6px;line-height:1.5}
.reviews-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;max-width:1160px;margin:0 auto}
.rev-card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:24px;display:flex;flex-direction:column;justify-content:space-between;min-width:0;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.rev-card:hover{transform:translateY(-4px);box-shadow:0 18px 36px rgba(0,0,0,.08);border-color:color-mix(in srgb,var(--accent) 35%,var(--line))}
.rev-header{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:16px;flex-wrap:wrap;min-width:0}
.rev-avatar{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;font-weight:900;font-size:17px;color:#fff;flex:none}
.rev-av-1{background:linear-gradient(135deg,#3b82f6,#1d4ed8);box-shadow:0 4px 12px rgba(37,99,235,.25)}
.rev-av-2{background:linear-gradient(135deg,#ff8a2a,#e8590c);box-shadow:0 4px 12px rgba(232,89,12,.25)}
.rev-av-3{background:linear-gradient(135deg,#10b981,#047857);box-shadow:0 4px 12px rgba(16,185,129,.25)}
.rev-av-4{background:linear-gradient(135deg,#8b5cf6,#6d28d9);box-shadow:0 4px 12px rgba(139,92,246,.25)}
.rev-av-5{background:linear-gradient(135deg,#ec4899,#be185d);box-shadow:0 4px 12px rgba(236,72,153,.25)}
.rev-av-6{background:linear-gradient(135deg,#f59e0b,#b45309);box-shadow:0 4px 12px rgba(245,158,11,.25)}
.rev-info{flex:1;min-width:0}
.rev-name{font-size:14px;font-weight:700;color:var(--ink);display:flex;align-items:center;gap:6px}
.rev-badge{font-size:10px;font-weight:700;color:var(--accent);background:var(--accent-soft);border:1px solid color-mix(in srgb,var(--accent) 30%,transparent);border-radius:99px;padding:1px 6px;line-height:1.4}
.rev-tag{font-size:12px;color:var(--muted);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rev-stars{color:#f59e0b;font-size:13px;letter-spacing:1px;flex:none}
.rev-content{font-size:14px;line-height:1.75;color:var(--ink);margin:0 0 18px;flex:1}
.rev-footer{display:flex;align-items:center;justify-content:space-between;padding-top:14px;border-top:1px solid var(--line);font-size:12px;color:var(--faint)}
.rev-work{color:var(--muted);font-weight:500}
@media(max-width:1080px){
  .reviews-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .reviews-stats{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:640px){
  .reviews-grid{grid-template-columns:minmax(0,1fr)}
  .rev-card{min-width:0;padding:18px 16px}
  .rev-header{flex-wrap:wrap;gap:8px 12px}
  .rev-info{min-width:0}
  .rev-content{word-break:break-word}
  .rev-footer{flex-direction:column;align-items:flex-start;gap:6px}
}

/* ---------- pricing ---------- */
.pricing{background:var(--panel)}
.bill-toggle{display:inline-flex;background:var(--card);border:1px solid var(--line);border-radius:99px;padding:5px;gap:4px;margin-top:30px}
.bill-toggle button{border:0;background:transparent;padding:10px 22px;border-radius:99px;font:inherit;font-weight:700;font-size:14px;cursor:pointer;color:var(--muted)}
.bill-toggle button.active{background:var(--ink);color:var(--bg)}
.bill-toggle button .save{color:var(--accent);font-size:12px;margin-left:6px}
.bill-toggle button.active .save{color:var(--accent2)}
.trial-strip{display:flex;gap:12px;align-items:center;justify-content:center;flex-wrap:wrap;margin-top:22px;font-size:14px;color:var(--muted)}
.trial-strip b{color:var(--ink)}
.trial-strip .pill{background:var(--accent-soft);color:var(--accent);font-weight:700;border-radius:99px;padding:5px 13px;font-size:13px}
.price-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:36px;align-items:stretch}
.price-card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:28px 24px;display:flex;flex-direction:column;position:relative;transition:transform .3s,box-shadow .3s}
.price-card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(0,0,0,.08)}
.price-card.popular{border:2px solid var(--accent);box-shadow:0 18px 44px rgba(232,89,12,.14)}
.price-card .badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--accent);color:#fff;font-size:12px;font-weight:700;border-radius:99px;padding:5px 14px;white-space:nowrap}
.price-card h3{font-family:"Songti SC","STSong","SimSun",serif;font-size:21px}
.price-card .for{font-size:13px;color:var(--muted);margin-top:6px;min-height:38px;line-height:1.6}
.price-num{font-size:44px;font-weight:900;line-height:1;margin:18px 0 4px;font-variant-numeric:tabular-nums}
.price-num small{font-size:22px;font-weight:700}
.price-per{font-size:13px;color:var(--muted)}
.price-note{font-size:13px;color:var(--accent);font-weight:700;min-height:20px;margin-top:6px}
.price-card ul{list-style:none;margin:20px 0 24px;padding:18px 0 0;border-top:1px solid var(--line);display:grid;gap:11px;font-size:14px;line-height:1.65;color:var(--ink2)}
.price-card li{display:flex;gap:9px}
.price-card li::before{content:"✓";color:var(--green);font-weight:900;flex:none}
.price-card li.dim{color:var(--muted)}
.price-card .btn{margin-top:auto;width:100%}
.price-foot{margin-top:26px;font-size:13px;color:var(--muted);line-height:1.9;text-align:center;max-width:820px;margin-left:auto;margin-right:auto}
@media(max-width:1020px){.price-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.price-grid{grid-template-columns:1fr}.price-card .for{min-height:0}}


/* ---------- byok / trial ---------- */
section{scroll-margin-top:70px}
.hero-flow{display:inline-block;margin-top:18px;font-size:14px;color:var(--muted);text-decoration:underline;text-underline-offset:4px}
.byok-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:44px}
.byok-card{border:1px solid var(--line);border-radius:18px;padding:28px;background:var(--card)}
.byok-card h3{font-size:19px;margin-bottom:10px}
.byok-card p{font-size:14px;color:var(--muted)}
@media(max-width:760px){.byok-grid{grid-template-columns:1fr}}
.tutorial{margin-top:16px;border:1px solid var(--line);border-radius:18px;background:var(--card);padding:28px;display:grid;grid-template-columns:1.4fr 1fr;gap:28px}
.tutorial h3{font-family:"Songti SC","STSong","SimSun",serif;font-size:24px;margin:10px 0}
.tutorial p{font-size:14px;color:var(--muted)}
.tut-list{margin:18px 0 0;padding-left:22px;display:grid;gap:10px;font-size:14px;line-height:1.7;color:var(--ink2)}
.tut-note{border-left:3px solid var(--accent);padding:6px 0 6px 18px;align-self:center}
.tut-note p{font-size:14px;color:var(--muted)}
@media(max-width:760px){.tutorial{grid-template-columns:1fr}}
.price-callout{background:var(--accent-soft);border-radius:16px;padding:20px 24px;font-size:15px;line-height:1.8;text-align:left;margin-top:30px}
.price-callout a{color:var(--accent);font-weight:700}
.trial-sec{background:var(--panel)}
.trial-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:44px}
.trial-card{border:1px solid var(--line);border-radius:18px;padding:28px;background:var(--card)}
.trial-card .no{display:inline-block;font-size:12px;font-weight:900;letter-spacing:.14em;color:var(--accent);border:1px solid var(--line);background:var(--panel2);border-radius:99px;padding:4px 11px;margin-bottom:14px}
.trial-card h3{font-family:"Songti SC","STSong","SimSun",serif;font-size:21px;margin-bottom:9px}
.trial-card p{font-size:14px;color:var(--muted)}
@media(max-width:760px){.trial-grid{grid-template-columns:1fr}}
footer a{color:var(--accent);font-weight:700;text-underline-offset:3px}

/* ---------- who / faq / cta ---------- */
.who-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:44px}
.who{border:1px solid var(--line);border-radius:18px;padding:28px;background:var(--card)}
.who .ic{width:44px;height:44px;border-radius:12px;background:var(--accent-soft);display:grid;place-items:center;font-size:21px;margin-bottom:16px}
.who h3{font-size:19px;margin-bottom:8px}
.who p{font-size:14px;color:var(--muted)}
@media(max-width:760px){.who-grid{grid-template-columns:1fr}}
.faq{max-width:780px;margin:44px auto 0;display:grid;gap:12px}
.faq-item{border:1px solid var(--line);border-radius:14px;background:var(--card);overflow:hidden}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 22px;background:none;border:0;cursor:pointer;font:inherit;font-weight:700;font-size:16px;text-align:left;color:var(--ink)}
.faq-q .plus{font-size:22px;color:var(--accent);transition:transform .3s;flex:none}
.faq-item.open .faq-q .plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .45s cubic-bezier(.22,1,.36,1)}
.faq-a p{padding:0 22px 20px;color:var(--muted);font-size:15px}
.cta-band{background:#111;color:#f5f5f7;border-radius:28px;padding:clamp(40px,6vw,72px) clamp(24px,5vw,64px);text-align:center;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse 60% 90% at 50% 120%,rgba(255,122,26,.35),transparent 65%);pointer-events:none}
.cta-band h2{font-family:"Songti SC","STSong","SimSun",serif;font-size:clamp(30px,4.6vw,50px);font-weight:900;position:relative}
.cta-band p{color:#a1a1a6;margin:16px auto 28px;max-width:560px;position:relative}
.cta-band .row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;position:relative}
footer{border-top:1px solid var(--line);padding:44px 0 56px;color:var(--muted);font-size:13px;line-height:1.8;text-align:center}
.foot{display:flex;flex-direction:column;align-items:center;gap:10px}
.foot-links{display:flex;gap:12px;align-items:center;font-size:14px}
.foot-legal{margin:0}
.foot-filing{white-space:pre-wrap}
.foot-matrix{display:inline-flex;align-items:center;gap:10px;background:var(--panel);border:1px solid var(--line);border-radius:99px;padding:8px 18px;font-size:13px;color:var(--muted);flex-wrap:wrap;justify-content:center;margin-bottom:6px}
.foot-matrix .matrix-title{font-weight:700;color:var(--ink)}
.foot-matrix a{color:var(--ink2);text-decoration:none;transition:color .2s}
.foot-matrix a:hover{color:var(--accent)}
.foot-matrix .current{color:var(--accent);font-weight:600}

/* ---------- book note + shot duo ---------- */
.book-note{margin-top:16px;font-size:14px;color:var(--muted);line-height:1.85}
.shot-duo{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:40px;align-items:start}
.shot-duo .feat-shot{margin-top:0}
@media(max-width:760px){.shot-duo{grid-template-columns:1fr}}

/* ---------- lightbox ---------- */
img.lb-trigger{cursor:zoom-in}
img.lb-trigger:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.lightbox{position:fixed;inset:0;z-index:100;background:rgba(8,8,10,.88);display:flex;align-items:center;justify-content:center;padding:28px;opacity:0;visibility:hidden;transition:opacity .35s,visibility .35s}
.lightbox.open{opacity:1;visibility:visible}
.lb-figure{max-width:min(1180px,94vw);width:fit-content;margin:0;transform:scale(.97);transition:transform .35s cubic-bezier(.22,1,.36,1)}
.lightbox.open .lb-figure{transform:scale(1)}
.lb-window{width:fit-content;max-width:100%;margin:0 auto;border-radius:16px;overflow:hidden;border:1px solid rgba(255,255,255,.28);box-shadow:0 30px 80px rgba(0,0,0,.5);background:#fff}
.lb-window .frame-bar{border-bottom:1px solid var(--line)}
.lb-window img{display:block;max-width:100%;max-height:calc(78vh - 40px);width:auto;height:auto;object-fit:contain;background:#fff}
.lb-figure figcaption{display:flex;justify-content:space-between;gap:16px;color:#e5e5ea;font-size:14px;line-height:1.6;margin-top:14px;flex-wrap:wrap}
.lb-close{position:absolute;top:14px;right:18px;width:44px;height:44px;border-radius:50%;border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.08);color:#fff;font-size:26px;line-height:1;cursor:pointer}
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);width:48px;height:48px;border-radius:50%;border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.08);color:#fff;font-size:28px;line-height:1;cursor:pointer}
.lb-prev{left:16px}.lb-next{right:16px}
@media(max-width:640px){.lightbox{padding:12px}.lb-nav{top:auto;bottom:18px;transform:none}.lb-prev{left:14px}.lb-next{right:14px}}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .hero h1 .line span{transform:none}
  .hero-sub,.hero-cta,.hero-note{opacity:1}
  .reveal{opacity:1;transform:none}
}

/* ---------- legal pages (privacy / terms) ---------- */
.legal-main{padding:118px 0 80px}
.legal-hero{max-width:820px;margin:0 auto 40px}
.legal-hero .back{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--muted);text-decoration:none;margin-bottom:22px;transition:color .2s}
.legal-hero .back:hover{color:var(--accent)}
.legal-badge{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--accent);background:var(--accent-soft);border:1px solid color-mix(in srgb,var(--accent) 30%,transparent);border-radius:99px;padding:3px 12px;margin-bottom:14px}
.legal-hero h1{font-family:"Songti SC","STSong","SimSun",serif;font-size:clamp(32px,5vw,48px);font-weight:900}
.legal-hero p{color:var(--muted);font-size:16px;margin-top:14px;line-height:1.8}
.legal-meta{margin-top:22px;display:flex;gap:18px;flex-wrap:wrap;font-size:13px;color:var(--faint);line-height:1.8;padding:12px 16px;background:var(--panel2);border:1px solid var(--line);border-radius:10px}
.legal-meta span{display:inline-flex;align-items:center;gap:6px}
.legal-highlights{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;max-width:820px;margin:0 auto 36px}
.legal-highlight-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 20px}
.legal-highlight-card b{display:block;font-size:15px;color:var(--ink);margin-bottom:6px}
.legal-highlight-card p{font-size:13px;color:var(--muted);line-height:1.65;margin:0}
@media(max-width:760px){.legal-highlights{grid-template-columns:1fr}}
.legal-toc{position:static;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:24px 28px;max-width:820px;margin:0 auto 36px}
.legal-toc h2{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.legal-toc ol{margin:0;padding:0;list-style:none;display:grid;gap:10px;font-size:14px;line-height:1.7;color:var(--muted)}
.legal-toc a{text-decoration:none;transition:color .2s}
.legal-toc a:hover{color:var(--accent)}
.legal-doc{max-width:820px;margin:0 auto}
.legal-sec{scroll-margin-top:90px;padding:32px 0;border-top:1px solid var(--line)}
.legal-sec:first-of-type{border-top:0;padding-top:0}
.legal-sec h2{font-family:"Songti SC","STSong","SimSun",serif;font-size:22px;font-weight:900;margin-bottom:14px;color:var(--ink)}
.legal-sec h3{font-size:16px;font-weight:700;margin:20px 0 10px;color:var(--ink)}
.legal-sec p{color:var(--ink2);font-size:15px;margin-bottom:14px;line-height:1.85}
.legal-sec p strong,.legal-sec li strong{color:var(--ink)}
.legal-sec ul,.legal-sec ol{margin:10px 0 16px;padding-left:22px;display:grid;gap:8px;font-size:15px;line-height:1.85;color:var(--ink2)}
.legal-sec li::marker{color:var(--accent)}
.legal-callout{background:var(--accent-soft);border:1px solid color-mix(in srgb,var(--accent) 24%,transparent);border-left:4px solid var(--accent);border-radius:12px;padding:18px 22px;font-size:14px;line-height:1.85;margin:16px 0}
.legal-callout b,.legal-callout strong{color:var(--ink)}
.legal-table-wrap{width:100%;overflow-x:auto;margin:18px 0}
.legal-table{width:100%;border-collapse:collapse;font-size:14px;line-height:1.65;text-align:left}
.legal-table th,.legal-table td{padding:12px 14px;border:1px solid var(--line)}
.legal-table th{background:var(--panel);color:var(--ink);font-weight:700}
.legal-table td{color:var(--ink2)}
.legal-nav{position:static;display:flex;gap:14px;flex-wrap:wrap;align-items:center;margin-top:44px;padding-top:28px;border-top:1px solid var(--line)}
@media(max-width:640px){.legal-main{padding-top:96px}.legal-toc{padding:18px 20px}.legal-meta{flex-direction:column;gap:6px}}
@media print{nav,footer,.legal-nav,.legal-hero .back,.legal-toc{display:none!important}.legal-main{padding:0!important}}