/* 皮港 PiPort 官网 · 水线
   上面是人（天光浅底），下面是 AI 军团（港底深蓝）；每一次底色切换，都是一层「皮」。
   纪律：琥珀 / 橙只表示「这里需要一个人」；渐变只出现在标志与膜描边；主按钮用墨色实心。 */

:root{
  color-scheme: light;
  /* 水上 · 人的世界 */
  --c-daylight:#F2F7FF;
  --c-daylight-2:#E3EDFF;
  --c-ink:#0A1C6B;
  --c-mist:#4A5A86;
  --c-line:#C3D3F5;
  --c-blue:#0033CC;
  /* 水下 · AI 的世界 */
  --c-harbor-2:#12308F;
  --c-harbor:#0A1C6B;
  --c-abyss:#071552;
  --c-mist-dark:#A8BBEA;
  --c-line-dark:rgba(43,229,255,.24);
  --c-water:#1E7BFF;   /* 仅非文字 */
  --c-cyan:#2BE5FF;    /* 浅底上禁止作文字 */
  /* 人的手：全站唯一暖色 */
  --c-amber:#FFC52C;   /* 浅底上禁止作文字 */
  --c-orange:#FF6A1F;  /* 浅底上禁止作文字 */
  --g-membrane:linear-gradient(90deg,#0052F0 0%,#1E7BFF 45%,#2BE5FF 100%);
  --g-confirm:linear-gradient(90deg,#FFC52C 0%,#FF6A1F 100%);

  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","MiSans","Hiragino Sans GB","Microsoft YaHei UI","Microsoft YaHei","Noto Sans CJK SC","Source Han Sans SC","Segoe UI",sans-serif;
  --font-mono:ui-monospace,"SF Mono","Cascadia Mono",Menlo,Consolas,"Liberation Mono",monospace;

  --fs-giant:clamp(120px,17vw,250px);
  --fs-h1:clamp(30px,4.1vw,58px);
  --fs-h2:clamp(26px,3.2vw,44px);
  --fs-h3:clamp(20px,1.9vw,26px);
  --fs-lead:clamp(17px,1.35vw,20px);
  --fs-body:17px;
  --fs-small:14px;
  --fs-mono:12px;

  --ease-berth:cubic-bezier(.2,.7,.2,1);
  --ease-ui:cubic-bezier(.3,0,.2,1);

  --wrap:1240px;
  --gut:clamp(16px,4vw,40px);
  --nav-h:64px;
  --sec-y:clamp(72px,10vw,144px);
}
@media (max-width:767px){
  :root{--fs-body:16px;--nav-h:56px}
}
@media (min-width:1024px){
  :root{--fs-mono:13px}
}

/* ---------- 基础 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:var(--nav-h)}
body{margin:0;font-family:var(--font-sans);font-size:var(--fs-body);line-height:1.8;color:var(--c-ink);background:var(--c-daylight);-webkit-font-smoothing:antialiased;overflow-x:hidden}
@supports (overflow:clip){body{overflow-x:clip}}
img,svg,canvas{display:block;max-width:100%}
h1,h2,h3,h4,h5{margin:0;font-weight:600;text-wrap:balance}
p,li,dd,blockquote{text-wrap:pretty}
p{margin:0}
ul,ol,dl,dd{margin:0;padding:0}
ul,ol{list-style:none}
a{color:inherit}
button{font:inherit;color:inherit}
strong{font-weight:600}
.defs{position:absolute;width:0;height:0;overflow:hidden}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.mono{font-family:var(--font-mono);font-size:var(--fs-mono);font-weight:500;letter-spacing:.06em;font-variant-numeric:tabular-nums}
.wrap{width:100%;max-width:calc(var(--wrap) + 2 * var(--gut));margin:0 auto;padding:0 var(--gut)}
.sep{margin:0 .6em;opacity:.6}
.nw{white-space:nowrap}
.ph{display:inline-block}

/* ---------- 主题：水上 / 水下 ---------- */
.t-day{--bg:var(--c-daylight);--panel:var(--c-daylight-2);--fg:var(--c-ink);--muted:var(--c-mist);--rule:var(--c-line);--accent:var(--c-blue);--human:var(--c-orange);--focus:var(--c-blue);background:var(--bg);color:var(--fg)}
.t-day2{--bg:var(--c-daylight-2);--panel:var(--c-daylight)}
.t-dark{--bg:var(--c-harbor);--panel:var(--c-harbor-2);--fg:var(--c-daylight);--muted:var(--c-mist-dark);--rule:var(--c-line-dark);--accent:var(--c-cyan);--human:var(--c-amber);--focus:var(--c-cyan);color-scheme:dark;background:var(--bg);color:var(--fg)}
.t-harbor2{--bg:var(--c-harbor-2);--panel:var(--c-harbor)}
.t-abyss{--bg:var(--c-abyss);--panel:var(--c-harbor)}

:focus{outline:none}
:focus-visible{outline:none;box-shadow:0 0 0 2px var(--bg,var(--c-daylight)),0 0 0 4px var(--focus,var(--c-blue));border-radius:8px}

.skip{position:absolute;left:var(--gut);top:-100px;z-index:100;padding:10px 16px;border-radius:999px;background:var(--c-ink);color:var(--c-daylight);text-decoration:none;font-weight:600}
.skip:focus{top:10px}

/* ---------- 文字 ---------- */
h1{font-size:var(--fs-h1);line-height:1.18;letter-spacing:-.01em}
h2{font-size:var(--fs-h2);line-height:1.25;letter-spacing:-.005em}
h3{font-size:var(--fs-h3);line-height:1.35}
.lead{font-size:var(--fs-lead);line-height:1.75;max-width:40em;color:var(--fg)}
.eyebrow{font-size:var(--fs-small);letter-spacing:.12em;color:var(--muted);margin-bottom:14px}
.tag{display:flex;flex-wrap:wrap;align-items:center;gap:6px 12px;font-size:var(--fs-small);color:var(--muted);margin-bottom:16px}
.tag .mono{color:var(--accent)}
.note{font-size:var(--fs-small);color:var(--muted);line-height:1.6}
.link{color:var(--accent);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.link:hover{text-decoration-thickness:2px}
.t-dark .link{color:var(--c-cyan)}

/* 琥珀着重号：只标「人 / 你」 */
.em-h{font-style:normal;-webkit-text-emphasis:filled dot var(--human);text-emphasis:filled dot var(--human);-webkit-text-emphasis-position:under right;text-emphasis-position:under right}
@supports not ((text-emphasis:filled dot) or (-webkit-text-emphasis:filled dot)){
  .em-h{position:relative}
  .em-h::after{content:"";position:absolute;left:50%;bottom:-.3em;width:5px;height:5px;margin-left:-2.5px;border-radius:50%;background:var(--human)}
}

/* 单字字签 */
.chip{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:12px;border:1.5px solid var(--fg);font-size:22px;font-weight:600;line-height:1;color:var(--fg);flex:none}
.t-dark .chip{border-color:var(--c-cyan);color:var(--c-daylight)}
.chip--human,.t-dark .chip--human{background:var(--c-amber);border-color:var(--c-amber);color:var(--c-ink)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;min-height:48px;padding:0 24px;border-radius:999px;border:1.5px solid var(--fg);background:var(--fg);color:var(--bg);font-size:16px;font-weight:600;line-height:1.2;text-decoration:none;white-space:nowrap;cursor:pointer;transition:background-color .16s var(--ease-ui),border-color .16s var(--ease-ui),color .16s var(--ease-ui)}
.btn:hover{background:var(--accent);border-color:var(--accent);color:var(--bg)}
.btn--ghost{background:transparent;color:var(--fg);border-color:var(--fg)}
.btn--ghost:hover{background:transparent;color:var(--accent);border-color:var(--accent)}
.btn--sm{min-height:44px;padding:0 18px;font-size:15px}
.link-btn{background:none;border:0;padding:8px 0;color:var(--accent);text-decoration:underline;text-underline-offset:3px;cursor:pointer;font-size:var(--fs-small)}

/* ---------- 导航 ---------- */
.nav{position:sticky;top:0;z-index:60;border-bottom:1px solid var(--rule);transition:background-color .2s var(--ease-ui),color .2s var(--ease-ui),border-color .2s var(--ease-ui)}
.nav__bar{display:flex;align-items:center;gap:20px;height:var(--nav-h)}
.brand{display:flex;align-items:center;gap:10px;min-height:44px;margin-right:auto;text-decoration:none;color:inherit;border-radius:8px}
.brand__mark{width:28px;height:30px;flex:none}
.brand__name{font-size:20px;font-weight:600;letter-spacing:.04em;line-height:1}
.brand__en{font-family:var(--font-mono);font-size:11px;letter-spacing:.28em;color:var(--muted);line-height:1;padding-top:2px}
.nav__links{display:none;align-items:center;gap:22px}
.nav__links a{position:relative;padding:8px 0;font-size:15px;text-decoration:none;color:inherit;opacity:.86;transition:opacity .16s,color .16s}
.nav__links a:hover{opacity:1;color:var(--accent)}
.nav__links a[aria-current="true"]{opacity:1}
.nav__links a[aria-current="true"]::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;border-radius:2px;background:var(--accent)}
.nav__toggle{display:inline-grid;place-content:center;gap:6px;width:44px;height:44px;margin-right:-8px;padding:0;border:0;background:none;cursor:pointer;border-radius:8px}
.nav__toggle span{display:block;width:22px;height:2px;border-radius:2px;background:currentColor;transition:transform .2s var(--ease-ui)}
.nav__toggle[aria-expanded="true"] span:first-child{transform:translateY(4px) rotate(45deg)}
.nav__toggle[aria-expanded="true"] span:last-child{transform:translateY(-4px) rotate(-45deg)}
@media (min-width:1024px){
  .nav__links{display:flex}
  .nav__links .is-wide{display:none}
  .nav__toggle{display:none}
}
@media (min-width:1200px){
  .nav__links .is-wide{display:inline}
}
@media (max-width:420px){
  .brand__en{display:none}
  .nav__cta{padding:0 14px}
}
.menu{position:fixed;left:0;right:0;top:var(--nav-h);bottom:0;overflow-y:auto;overscroll-behavior:contain;z-index:59}
.menu[hidden]{display:none}
.menu__inner{display:flex;flex-direction:column;padding-top:24px;padding-bottom:40px}
.menu__inner>a{display:block;padding:14px 0;font-size:22px;font-weight:600;text-decoration:none;border-bottom:1px solid var(--rule)}
.menu__foot{margin-top:28px;font-size:18px;line-height:2}
.menu__foot a{color:var(--c-cyan);text-decoration:none}
body.menu-open{overflow:hidden}

/* ---------- 首屏：会呼吸的水线 ---------- */
.hero{position:relative;display:flex;flex-direction:column;min-height:max(600px,calc(min(100vh,880px) - var(--nav-h)));--fs-glyph:26vw;--lane-mid:min(77.28%,calc(96% - 75px))}
@supports (height:100svh){.hero{min-height:max(600px,calc(min(100svh,880px) - var(--nav-h)))}}
.hero__above{flex:58 1 auto;display:flex;align-items:flex-end;padding:clamp(28px,6vh,88px) 0 calc(.42 * var(--fs-glyph) + 28px)}
.hero__below{flex:42 1 auto;display:flex;position:relative}
.hero__below-in{display:flex;flex-direction:column;padding-top:calc(.58 * var(--fs-glyph) + 28px);padding-bottom:20px}
.hero__copy{position:relative;z-index:2;max-width:640px}
.hero h1{margin-bottom:22px}
.hero .eyebrow{color:var(--c-mist)}
.inbox{display:flex;align-items:center;gap:10px;min-height:28px;font-size:15px;line-height:1.5;color:var(--c-mist)}
.inbox__dot{flex:none;width:8px;height:8px;border-radius:50%;background:var(--c-water)}
.inbox.is-human .inbox__dot{background:var(--c-amber);box-shadow:0 0 0 2px rgba(255,106,31,.35)}
.inbox__text{transition:opacity .24s var(--ease-ui)}
.inbox__text.is-out{opacity:0}
.inbox__time{font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;margin-right:6px}

.hero__line{position:relative;height:0}
.hero__svg,.hero__canvas{position:absolute;z-index:1;left:0;top:-80px;width:100%;height:160px;pointer-events:none}
.hero__canvas{visibility:hidden}
.hero.is-live .hero__canvas{visibility:visible}
.hero.is-live .hero__svg{visibility:hidden}
.hero__svg .fill-day,.confirm__svg .fill-day{fill:var(--c-daylight)}
.hero__svg .fill-harbor,.confirm__svg .fill-harbor{fill:var(--c-harbor)}
.hero__svg .glow,.confirm__svg .glow{fill:none;stroke:rgba(43,229,255,.12);stroke-width:8;vector-effect:non-scaling-stroke}
.hero__svg .stroke,.confirm__svg .stroke{fill:none;stroke:url(#pp-membrane);stroke-width:2;vector-effect:non-scaling-stroke}

.glyphs{position:absolute;z-index:2;left:var(--gut);top:calc(-.42 * var(--fs-glyph));height:var(--fs-glyph);font-size:var(--fs-glyph);line-height:1;font-weight:600;white-space:nowrap;pointer-events:none;-webkit-user-select:none;user-select:none}
.glyphs span{display:block}
.glyphs__top{color:var(--c-ink);-webkit-clip-path:inset(0 0 58% 0);clip-path:inset(0 0 58% 0)}
.glyphs__bot{position:absolute;left:0;top:0;color:transparent;-webkit-text-stroke:1.5px var(--c-cyan);-webkit-clip-path:inset(42% 0 0 0);clip-path:inset(42% 0 0 0);transform:translateX(.06em)}
html.motion .glyphs__bot{transform:translateX(0);animation:refract .6s var(--ease-berth) .1s forwards}
@keyframes refract{to{transform:translateX(.06em)}}
.hero__depth{display:none;position:absolute;z-index:2;left:var(--gut);top:12px;font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:var(--c-cyan);white-space:nowrap}

.hero__beads{position:absolute;z-index:5;left:0;top:0;width:100%;height:0}
.bead-slot{position:absolute;left:var(--bx,83%);top:0}
.bead-slot .bead{left:-22px;top:-22px}
.hero.is-live .bead-slot{display:none}
.hero__hint{position:absolute;z-index:4;left:clamp(calc(4.6em + 8px),var(--lane-mid),calc(100% - 4.6em - 8px));top:20px;transform:translateX(-50%);padding:2px 9px;border-radius:999px;background:var(--c-harbor);font-size:14px;line-height:1.4;color:var(--c-amber);white-space:nowrap;pointer-events:none;transition:opacity .3s var(--ease-ui)}
.hero__hint.is-gone{opacity:0}
.js .hero__hint{display:block}

.hero__lede{position:relative;z-index:2;max-width:31em;font-size:var(--fs-lead);line-height:1.75;color:var(--c-daylight)}
.hero__cta{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.hero__foot{position:relative;z-index:2;margin-top:auto;padding-top:36px;display:flex;flex-direction:column;gap:18px}
.hero__id{font-size:var(--fs-small);color:var(--c-mist-dark);line-height:1.6}
.hero__dock{display:flex;flex-direction:column;gap:12px}
.fleet{display:flex;flex-wrap:wrap;gap:10px}
.fleet .is-wide{display:none}
.hero__ctrl{display:flex;align-items:center;justify-content:space-between;gap:12px}
.hero__note{font-size:12px;color:var(--c-mist-dark);display:inline-flex;align-items:center;gap:6px;flex-wrap:wrap}
.hero__pause{display:none;place-items:center;flex:none;width:44px;height:44px;border-radius:50%;border:1.5px solid rgba(43,229,255,.5);background:transparent;cursor:pointer;color:var(--c-daylight)}
html.motion .hero__pause{display:inline-grid}
.i-pause{display:block;width:10px;height:12px;border-left:3px solid currentColor;border-right:3px solid currentColor}
.hero__pause[aria-pressed="true"] .i-pause{width:0;height:0;border-style:solid;border-width:7px 0 7px 12px;border-color:transparent transparent transparent currentColor;margin-left:3px}

/* 船、知识库、账本 */
.ship{display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 10px 0 14px;border-radius:999px;border:1.5px solid rgba(43,229,255,.45);background:var(--c-harbor-2);color:var(--c-daylight);font-size:13px;line-height:1;white-space:nowrap}
.ship .kb:first-of-type{margin-left:4px}
.kb,.lg{display:inline-block;width:10px;height:10px;border-radius:2px;flex:none;vertical-align:-1px}
.kb{border:1.5px solid var(--c-cyan)}
.lg{background:var(--c-water)}
.t-day .kb{border-color:var(--c-blue)}
.t-day .lg{background:var(--c-blue)}

/* 信号胶囊（示意） */
.sig{position:absolute;left:0;top:0;z-index:3;display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;border:1.5px solid var(--c-cyan);background:rgba(10,28,107,.86);color:var(--c-daylight);font-size:13px;line-height:1;white-space:nowrap;pointer-events:none;will-change:transform,opacity;transition:opacity .18s var(--ease-ui)}
.sig b{font-family:var(--font-mono);font-weight:500;font-size:11px;letter-spacing:.06em;color:var(--c-cyan)}
.sig--confirm{border-style:dashed}
.sig.is-out{opacity:0}
.sig.is-dock{transition:transform .24s var(--ease-berth),opacity .24s var(--ease-ui);opacity:0}
.sig--static{left:auto;right:var(--gut);top:50px}
.hero.is-live .sig--static{opacity:0;transition:opacity .4s var(--ease-ui) .6s}
.hero.is-dead .hero__pause{display:none}
.sig.is-back{border-color:var(--c-cyan);transition:transform .4s var(--ease-berth),opacity .4s var(--ease-ui)}

@media (min-width:768px){
  .hero{--fs-glyph:clamp(130px,20vw,200px)}
  .hero__below-in{padding-top:calc(.58 * var(--fs-glyph) + 32px)}
}
@media (min-width:1024px){
  .hero{--fs-glyph:clamp(160px,19vw,300px);--edge:max(var(--gut),calc((100% - var(--wrap)) / 2));--lane-mid:calc(100% - var(--edge) - .5 * var(--fs-glyph))}
  .hero__depth{display:block;left:var(--edge)}
  .sig--static{left:var(--lane-mid);right:auto;top:130px;transform:translateX(-50%)}
  .hero__above{padding-bottom:40px}
  .hero__below-in{padding-top:44px}
  .glyphs{left:auto;right:var(--edge)}
  .hero__copy{max-width:min(52%,640px)}
  .hero__lede{max-width:min(46%,32em)}
  .hero__foot{flex-direction:row;align-items:flex-end;justify-content:space-between}
  .hero__dock{align-items:flex-end}
  .fleet{justify-content:flex-end}
  .fleet .is-wide{display:inline-flex}
  .hero__ctrl{justify-content:flex-end}
}

/* ---------- 确认珠与放行卡 ---------- */
.bead{position:absolute;display:block;width:44px;height:44px;padding:0;margin:0;border:0;border-radius:50%;background:transparent;cursor:pointer;touch-action:manipulation;z-index:5}
span.bead{cursor:default}
.bead__dot{position:absolute;left:50%;top:50%;width:18px;height:18px;margin:-9px 0 0 -9px;border-radius:50%;border:2px solid transparent;background:linear-gradient(var(--c-amber),var(--c-amber)) padding-box,var(--g-confirm) border-box;transition:transform .6s var(--ease-berth),opacity .6s var(--ease-ui)}
.bead__dot::after{content:"";position:absolute;inset:-7px;border-radius:50%;border:2px solid var(--c-amber);opacity:.35}
html.motion:not(.paused) .hero button.bead .bead__dot::after,
html.motion .confirm__line.is-armed button.bead .bead__dot::after{animation:bead-pulse 1.6s var(--ease-ui) 3}
html.motion .confirm__line.is-armed .gate-beads li:nth-child(2) .bead__dot::after{animation-delay:.14s}
html.motion .confirm__line.is-armed .gate-beads li:nth-child(3) .bead__dot::after{animation-delay:.28s}
html.motion .confirm__line.is-armed .gate-beads li:nth-child(4) .bead__dot::after{animation-delay:.42s}
html.motion .confirm__line.is-armed .gate-beads li:nth-child(5) .bead__dot::after{animation-delay:.56s}
@keyframes bead-pulse{0%,100%{opacity:.35;transform:scale(1)}50%{opacity:.9;transform:scale(1.12)}}
.bead:hover .bead__dot{transform:scale(1.12)}
.bead[aria-expanded="true"] .bead__dot{transform:scale(1.18)}
.bead.is-approved .bead__dot{transform:translateY(-48px);opacity:0}
.bead.is-returned .bead__dot{transform:translateY(40px);opacity:0;transition-duration:.4s}
.bead.is-done{pointer-events:none}
.bead:focus-visible{box-shadow:0 0 0 2px var(--c-harbor),0 0 0 4px var(--c-cyan);border-radius:50%}

.decide{position:absolute;z-index:20;width:min(292px,calc(100vw - 32px));padding:14px 16px 16px;border-top:2px solid var(--c-amber);border-radius:0 0 18px 18px;background:var(--c-harbor-2);color:var(--c-daylight);box-shadow:0 14px 36px rgba(7,21,82,.34);color-scheme:dark;--bg:var(--c-harbor-2);--focus:var(--c-cyan)}
.decide__from{font-size:12px;color:var(--c-mist-dark);margin-bottom:6px}
.decide__q{font-size:16px;font-weight:600;line-height:1.5;margin-bottom:14px}
.decide__acts{display:flex;gap:10px}
.decide__acts button{flex:1;min-height:44px;border-radius:999px;font-size:15px;font-weight:600;cursor:pointer;transition:background-color .16s var(--ease-ui),color .16s var(--ease-ui),border-color .16s var(--ease-ui)}
.decide__ok{border:1.5px solid var(--c-daylight);background:var(--c-daylight);color:var(--c-ink)}
.decide__ok:hover{background:var(--c-cyan);border-color:var(--c-cyan)}
.decide__back{border:1.5px solid var(--c-cyan);background:transparent;color:var(--c-daylight)}
.decide__back:hover{background:rgba(43,229,255,.14)}
html.motion .decide{animation:decide-in .16s var(--ease-berth)}
@keyframes decide-in{from{opacity:0;transform:translateY(6px)}}

.ripple{position:absolute;z-index:4;height:2px;width:0;margin-top:-1px;border-radius:2px;background:var(--g-confirm);transform:translateX(-50%);pointer-events:none;opacity:1;transition:width .9s var(--ease-berth),opacity .9s var(--ease-ui)}
.ripple.is-go{width:320px;opacity:0}

/* ---------- 分隔膜 ---------- */
.divider{position:relative;height:48px;margin:0;overflow:hidden;line-height:0}
.divider svg{width:100%;height:48px}
.divider__a{fill:var(--a)}
.divider__b{fill:var(--b)}
.divider__line{fill:none;stroke:url(#pp-membrane);stroke-width:2;vector-effect:non-scaling-stroke}
.divider__hl{fill:none;stroke:var(--c-cyan);stroke-width:2;stroke-linecap:round;vector-effect:non-scaling-stroke;opacity:0}
.divider__hl.is-run{opacity:1}

/* ---------- 皮港由来 ---------- */
.origin__up{padding-top:var(--sec-y);padding-bottom:12px}
.origin__down{padding-top:12px;padding-bottom:var(--sec-y)}
.origin h2{margin-bottom:clamp(28px,4vw,56px);max-width:18em}
.origin__row{display:grid;gap:20px 48px;align-items:end}
.origin__down .origin__row{align-items:start}
.giant{display:block;font-size:var(--fs-giant);line-height:1;font-weight:600;-webkit-user-select:none;user-select:none}
.giant--solid{color:var(--c-ink);margin-bottom:-.06em}
.giant--outline{color:transparent;-webkit-text-stroke:1.5px var(--c-cyan);margin-top:-.04em}
.origin__text{max-width:34em;padding-bottom:clamp(8px,2vw,28px)}
.origin__down .origin__text{padding-top:clamp(8px,2vw,28px);padding-bottom:0}
.origin__text h3{font-size:clamp(20px,2.1vw,28px);margin-bottom:12px}
.origin__text .k{color:var(--accent)}
.origin__text p+p{margin-top:10px}
.origin__for{font-size:var(--fs-small);color:var(--muted)}
.origin__sum{margin-top:clamp(40px,6vw,80px);font-size:clamp(20px,2.3vw,30px);font-weight:600;line-height:1.5;max-width:26em}
@media (min-width:768px){
  .origin__row{grid-template-columns:auto 1fr}
}

/* ---------- AIOS 剖面 ---------- */
.aios__head{padding-top:var(--sec-y);padding-bottom:clamp(40px,5vw,64px)}
.aios__head h2{margin-bottom:18px}
.index{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:clamp(28px,4vw,48px);counter-reset:none}
.index a{display:flex;align-items:center;gap:12px;min-height:56px;padding:8px 14px 8px 8px;border:1px solid var(--rule);border-radius:16px;text-decoration:none;font-size:15px;line-height:1.35;transition:border-color .16s var(--ease-ui)}
.index a:hover{border-color:var(--fg)}
@media (max-width:479px){.index{grid-template-columns:1fr}.index a{min-height:48px}}
@media (min-width:768px){.index{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (min-width:1200px){.index{grid-template-columns:repeat(6,minmax(0,1fr))}.index a{flex-direction:column;align-items:flex-start;padding:12px 14px 14px}}

.aios__body{position:relative}
.gauge-rail{display:none}
.layer{padding-top:clamp(56px,7vw,104px);padding-bottom:clamp(56px,7vw,104px)}
.layer__grid{display:grid;gap:32px}
.layer__text{max-width:36em}
.layer__text--wide{max-width:48em}
.layer h3{font-size:clamp(22px,2.4vw,32px);line-height:1.3;margin-bottom:16px}
.layer__text>p+p{margin-top:14px}
.eg{padding:14px 18px;border-radius:16px;background:var(--panel);font-size:15px;line-height:1.75}
.eg__k{display:inline-block;margin-right:.6em;font-weight:600;color:var(--accent)}
.out{font-size:var(--fs-small);color:var(--muted);line-height:1.6}
.out--wide{margin-top:24px}

.art{width:100%;max-width:420px;height:auto;justify-self:center;align-self:center;color:var(--fg);overflow:visible}
.art rect,.art circle,.art path{fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.art rect,.art circle{fill:var(--bg)}
.t-day .art{color:var(--c-ink)}
.t-dark .art{color:var(--c-mist-dark)}
.art .art__pick{stroke:var(--accent);stroke-width:2.25}
.art .art__dash{stroke-dasharray:4 5}
.art .art__line{stroke:url(#pp-membrane);stroke-width:2}
.art text{font-family:var(--font-sans);font-size:15px;fill:currentColor;stroke:none}
.t-dark .art text{fill:var(--c-daylight)}
.art .art__t{font-size:14px;fill:var(--muted)}
.art .art__b{font-weight:600;font-size:17px}

@media (min-width:1024px){
  .gauge-rail{display:block;position:absolute;z-index:4;top:0;bottom:0;left:max(var(--gut),calc((100% - var(--wrap)) / 2));width:96px;pointer-events:none}
  .gauge{position:sticky;top:calc(50vh - 90px);display:flex;gap:12px;align-items:stretch;height:180px;margin-top:clamp(56px,7vw,104px);color:var(--c-ink);transition:color .2s var(--ease-ui)}
  .gauge.is-dark{color:var(--c-daylight)}
  .gauge__scale{position:relative;width:12px;background:repeating-linear-gradient(to bottom,currentColor 0 1px,transparent 1px 18px);opacity:.9;background-size:6px 100%;background-repeat:repeat-y}
  .gauge__scale::after{content:"";position:absolute;left:-6px;top:53px;width:24px;height:2px;border-radius:2px;background:var(--g-membrane)}
  .gauge__mark{position:absolute;left:-4px;top:0;width:20px;height:2px;border-radius:2px;background:var(--c-cyan);transform:translateY(var(--gy,0px));transition:transform .5s var(--ease-berth)}
  .gauge.is-light .gauge__mark{background:var(--c-blue)}
  .gauge__read{display:flex;flex-direction:column;justify-content:center;gap:4px}
  .gauge__depth{font-size:13px;color:inherit;transition:opacity .2s var(--ease-ui)}
  .gauge__name{font-size:14px;font-weight:600;transition:opacity .2s var(--ease-ui)}
  .gauge.is-swap .gauge__depth,.gauge.is-swap .gauge__name{opacity:0}
  .layer>.wrap{padding-left:calc(var(--gut) + 136px)}
  .layer__grid{grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:48px;align-items:center}
}

/* 编制台 */
.roster{display:grid;gap:24px;margin-top:36px}
.roster__ships{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.ship--tab{height:44px;justify-content:space-between;cursor:pointer;border-color:rgba(43,229,255,.3);background:var(--c-harbor);font-size:15px;transition:border-color .16s var(--ease-ui),transform .24s var(--ease-berth)}
.ship--tab:hover{border-color:rgba(43,229,255,.7)}
.ship--tab[aria-selected="true"]{border-color:var(--c-cyan);transform:translateX(6px)}
.ship--tab .kb:first-of-type{margin-left:auto}
.roster__lead{font-size:14px;color:var(--c-mist-dark);margin-bottom:12px}
.roster__legend{display:flex;flex-wrap:wrap;align-items:center;gap:6px 14px;margin-top:14px;font-size:13px;color:var(--c-mist-dark)}
.roster__legend>span{display:inline-flex;align-items:center;gap:6px}
.roster__legend>span:not(:last-child){white-space:nowrap}
.roster__cards{display:grid;gap:16px}
.card-r{padding:18px 20px 22px;border-radius:0 0 20px 20px;border-top:1.5px solid var(--c-cyan);background:var(--c-harbor);min-height:100%}
.js .card-r{display:none}
.js .card-r.is-active{display:block}
html.motion.js .card-r.is-active{animation:fade-in .16s var(--ease-ui)}
@keyframes fade-in{from{opacity:0}}
.card-r__head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:12px}
.card-r__name{font-size:20px;font-weight:600}
.card-r__head .mono{color:var(--c-cyan)}
.card-r dl{display:grid;grid-template-columns:auto 1fr;gap:8px 18px;font-size:15px;line-height:1.6}
.card-r dt{color:var(--c-mist-dark);white-space:nowrap}
.card-r dd .kb,.card-r dd .lg{margin-right:4px}
.card-r .wait{color:var(--c-amber);display:flex;align-items:center;gap:8px}
.card-r .wait::before{content:"";flex:none;width:8px;height:8px;border-radius:50%;background:var(--c-amber)}
@media (min-width:768px){
  .roster{grid-template-columns:minmax(0,5fr) minmax(0,7fr);align-items:start}
}
@media (max-width:767px){.ship--tab[aria-selected="true"]{transform:none}}

/* ---------- 人来确认 ---------- */
.confirm__top{padding-top:var(--sec-y);padding-bottom:36px}
.confirm__top h2{margin-bottom:16px}
.confirm__label{margin-top:32px;margin-bottom:12px;font-size:var(--fs-small);color:var(--muted)}
.pills{display:flex;flex-wrap:wrap;gap:8px}
.pills li{display:inline-flex;align-items:center;gap:6px;min-height:36px;padding:0 14px;border-radius:999px;border:1px solid var(--rule);font-size:15px}
.pills li::before{content:"";width:10px;height:6px;border-left:1.5px solid var(--c-blue);border-bottom:1.5px solid var(--c-blue);transform:rotate(-45deg) translate(1px,-2px)}
.confirm__line{position:relative;height:64px}
.confirm__svg{position:absolute;inset:0;width:100%;height:64px}
.confirm__line .wrap{position:relative;height:64px}
.gate-beads{position:relative;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));height:64px}
.gate-beads li{position:relative}
.gate-beads .bead{left:calc(50% - 22px);top:10px}
.confirm__bottom{padding-top:8px;padding-bottom:var(--sec-y)}
.gates{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));text-align:center}
.gates li{display:flex;flex-direction:column;align-items:center;gap:4px;padding:0 4px}
.gates strong{font-size:clamp(14px,1.6vw,20px);color:var(--c-amber);line-height:1.4}
.gates span{font-size:clamp(12px,1.1vw,14px);color:var(--c-mist-dark);line-height:1.5}
.gates__state{font-style:normal;font-size:13px;min-height:1.5em;color:var(--c-daylight)}
.gates__eg>span{white-space:nowrap}
.gates__eg>span:not(:last-child)::after{content:"\00a0·"}
@media (max-width:767px){
  .gates__eg{display:flex;flex-direction:column}
  .gates__eg>span::after{content:none!important}
  .gates strong{min-height:2.8em}
}
.confirm__foot{display:grid;gap:28px;margin-top:44px}
.log{padding:18px 20px;border-radius:0 0 20px 20px;border-top:1.5px solid var(--c-line-dark);background:var(--c-harbor-2);min-height:120px}
.log__title{font-size:14px;color:var(--c-mist-dark);margin-bottom:8px}
.log__list li{display:flex;gap:12px;padding:6px 0;font-size:15px;line-height:1.5;border-bottom:1px solid var(--c-line-dark)}
.log__list li:last-child{border-bottom:0}
.log__list time{flex:none;font-family:var(--font-mono);font-size:13px;color:var(--c-amber);padding-top:2px}
.log__empty{font-size:15px;color:var(--c-mist-dark)}
.no-js .log{display:none}
.rules li{position:relative;padding-left:22px;margin-bottom:10px;line-height:1.6}
.rules li::before{content:"";position:absolute;left:0;top:.62em;width:10px;height:2px;border-radius:2px;background:var(--c-cyan)}
.confirm__bottom .note{margin-top:28px}
@media (min-width:1024px){
  .confirm__foot{grid-template-columns:minmax(0,5fr) minmax(0,6fr);align-items:start}
}

/* ---------- 部门里的样子 ---------- */
.scenes{padding-top:var(--sec-y);padding-bottom:var(--sec-y)}
.scenes h2{margin-bottom:16px}
.scene-grid{display:grid;gap:20px;margin-top:clamp(32px,4vw,52px)}
.scene{display:flex;flex-direction:column;border-radius:20px;overflow:hidden;background:var(--c-daylight)}
.scene__top{padding:22px 22px 20px;color:var(--c-ink)}
.scene__dept{font-size:var(--fs-small);color:var(--c-mist);margin-bottom:6px}
.scene h3{font-size:20px;margin-bottom:12px}
.scene blockquote{margin:0;font-size:15px;line-height:1.7;color:var(--c-mist)}
.scene__bot{position:relative;flex:1;display:flex;flex-direction:column;padding:22px;background:var(--c-harbor);color:var(--c-daylight);border-top:2px solid transparent;border-image:var(--g-membrane) 1}
.scene__k{font-size:13px;color:var(--c-mist-dark);margin-bottom:8px}
.scene__bot ul{display:grid;gap:6px;font-size:15px;line-height:1.55;margin-bottom:18px}
.scene__bot li{position:relative;padding-left:16px}
.scene__bot li::before{content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:2px;border:1.5px solid var(--c-cyan)}
.scene__gate{margin-top:auto;display:flex;align-items:flex-start;gap:10px;font-size:14px;line-height:1.55;color:var(--c-amber)}
.scene__gate i{flex:none;width:10px;height:10px;margin-top:.35em;border-radius:50%;background:var(--c-amber)}
.scenes .note{margin-top:24px}
@supports (grid-template-rows:subgrid){
  .scene-grid{grid-auto-rows:auto}
  .scene{display:grid;grid-row:span 2;grid-template-rows:subgrid;row-gap:0}
}
@media (min-width:768px){.scene-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.scene-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}

/* ---------- 三类 FDE 服务 ---------- */
.fde__head{padding-top:var(--sec-y);padding-bottom:clamp(24px,3vw,40px)}
.fde__head h2{margin-bottom:18px}
.fde__head .lead strong{color:var(--c-blue)}
.depths{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.depths a{display:inline-flex;align-items:center;gap:10px;min-height:44px;padding:0 18px 0 8px;border:1px solid var(--rule);border-radius:999px;text-decoration:none;font-size:15px;transition:border-color .16s var(--ease-ui)}
.depths a:hover{border-color:var(--fg)}
.depths__k{display:inline-flex;align-items:center;height:30px;padding:0 10px;border-radius:999px;background:var(--panel);font-size:13px;color:var(--muted)}
.band{padding-top:clamp(48px,6vw,88px);padding-bottom:clamp(56px,7vw,104px)}
.band__grid{display:grid;gap:28px 56px}
.band__layer{font-size:var(--fs-small);color:var(--muted);margin-bottom:10px}
.band__side h3{font-size:clamp(22px,2.4vw,32px);line-height:1.3;margin-bottom:10px}
.band__tag{font-size:var(--fs-lead);color:var(--fg);margin-bottom:22px}
.band__cta{display:flex;flex-wrap:wrap;gap:10px}
.band__dl{display:grid;grid-template-columns:1fr;border-top:1px solid var(--rule)}
.band__dl dt{padding-top:16px;font-size:var(--fs-small);color:var(--muted)}
.band__dl dd{padding:4px 0 16px;border-bottom:1px solid var(--rule)}
.band__dl dd:last-child{border-bottom:0}
@media (min-width:768px){
  .band__dl{grid-template-columns:7em 1fr}
  .band__dl dt{padding:18px 0;border-bottom:1px solid var(--rule)}
  .band__dl dd{padding:18px 0}
  .band__dl dt:nth-last-of-type(1){border-bottom:0}
}
@media (min-width:1024px){
  .band__grid{grid-template-columns:minmax(0,4fr) minmax(0,8fr)}
  .band__side{position:sticky;top:calc(var(--nav-h) + 32px);align-self:start}
}
.topics{display:grid;gap:10px}
.topics li{display:grid;gap:2px}
.topics strong{font-size:16px}

.classes{margin-top:clamp(36px,4vw,56px);padding:clamp(20px,3vw,32px);border-radius:24px 24px 0 0;background:var(--c-daylight-2)}
.classes__head{display:grid;gap:8px;margin-bottom:22px}
.classes__head h4{font-size:22px}
.classes__head p{font-size:15px;color:var(--c-mist);max-width:44em}
.class-list{display:grid;gap:12px}
.class{display:flex;flex-direction:column;gap:6px;padding:18px 18px 16px;border-radius:16px;background:var(--c-daylight);border:1px solid transparent;transition:border-color .16s var(--ease-ui)}
.class:hover{border-color:var(--c-line)}
.class h5{font-size:17px;line-height:1.45}
.class p{font-size:15px;line-height:1.65;color:var(--c-ink)}
.class .class__fit{margin-top:auto;padding-top:6px;font-size:13px;color:var(--c-mist)}
.classes .note{margin-top:18px}
@media (min-width:768px){.class-list{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.class-list{grid-template-columns:repeat(3,minmax(0,1fr))}}

.path{margin-top:clamp(36px,4vw,56px)}
.path__head{max-width:46em;margin-bottom:24px}
.path__list{display:grid;gap:0;counter-reset:step;position:relative}
.path__list li{position:relative;display:grid;gap:4px;padding:0 0 22px 44px;counter-increment:step}
.path__list li::before{content:counter(step);position:absolute;left:0;top:0;display:grid;place-items:center;width:30px;height:30px;border-radius:50%;border:1.5px solid var(--c-ink);font-family:var(--font-mono);font-size:13px;background:var(--bg)}
.path__list li::after{content:"";position:absolute;left:15px;top:32px;bottom:2px;width:1.5px;background:var(--c-line)}
.path__list li:last-child::after{display:none}
.path__list strong{font-size:17px}
.path__list span{font-size:15px;color:var(--c-mist);line-height:1.65}
@media (min-width:1024px){
  .path__list{grid-template-columns:repeat(6,minmax(0,1fr));gap:20px}
  .path__list li{padding:44px 0 0}
  .path__list li::after{left:36px;right:-20px;top:15px;bottom:auto;width:auto;height:1.5px}
}

/* ---------- 交付节奏 ---------- */
.rhythm{padding-top:clamp(56px,7vw,104px);padding-bottom:var(--sec-y);border-top:1px solid var(--c-line-dark)}
.rhythm h2{margin-bottom:16px}
.route{position:relative;display:grid;gap:0;margin-top:clamp(36px,5vw,64px)}
.route::before{content:"";position:absolute;left:21px;top:18px;bottom:18px;width:2px;background:linear-gradient(180deg,#0052F0,#1E7BFF 45%,#2BE5FF)}
.route li{position:relative;padding:0 0 26px 60px}
.route li::before{content:"";position:absolute;left:14px;top:10px;width:16px;height:16px;border-radius:50%;border:2px solid var(--c-cyan);background:var(--c-harbor)}
.buoy{display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:999px;border:1.5px solid rgba(43,229,255,.4);font-weight:600;margin-bottom:8px;transition:border-color .16s var(--ease-ui)}
.route li:hover .buoy{border-color:var(--c-cyan)}
.route p{font-size:15px;line-height:1.65}
.route__out{margin-top:6px;color:var(--c-mist-dark);font-size:14px}
@media (min-width:1024px){
  .route{grid-template-columns:repeat(6,minmax(0,1fr));gap:20px}
  .route::before{left:0;right:0;top:18px;bottom:auto;width:auto;height:2px;background:var(--g-membrane)}
  .route li{padding:0}
  .route li::before{display:none}
  .buoy{position:relative;z-index:1;background:var(--c-harbor);margin-bottom:16px}
}

/* ---------- 生态合作 ---------- */
.partner{padding-top:var(--sec-y);padding-bottom:var(--sec-y)}
.partner__grid{display:grid;gap:56px}
.partner h2{margin-bottom:18px}
.svc{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.svc li{display:inline-flex;align-items:center;min-height:36px;padding:0 16px;border-radius:999px;border:1px solid var(--c-line);font-size:15px}
.trio{display:grid;gap:0;margin-top:32px;border-top:1px solid var(--c-line)}
.trio div{display:grid;gap:4px;padding:18px 0;border-bottom:1px solid var(--c-line)}
.trio dt{font-weight:600;font-size:18px}
.trio dd{font-size:15px;line-height:1.7;color:var(--c-ink)}
.partner .note{margin-top:18px}
.faq h3{font-size:22px;margin-bottom:12px}
.faq details{border-bottom:1px solid var(--c-line)}
.faq summary{position:relative;display:block;padding:16px 36px 16px 0;font-weight:600;cursor:pointer;list-style:none;border-radius:6px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:6px;top:50%;width:10px;height:10px;margin-top:-7px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg);transition:transform .2s var(--ease-ui)}
.faq details[open] summary::after{transform:rotate(-135deg);margin-top:-2px}
.faq details p{padding:0 0 18px;font-size:15px;line-height:1.75;color:var(--c-ink)}
@media (min-width:768px){.trio div{grid-template-columns:8.5em 1fr;gap:16px}}
@media (min-width:1024px){.partner__grid{grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:72px}}

/* ---------- 联系 ---------- */
.contact{padding-top:var(--sec-y);padding-bottom:clamp(56px,7vw,96px)}
.contact{position:relative}
.contact h2{margin-bottom:14px}
.contact__mark{display:block;width:88px;height:auto;aspect-ratio:800/860;margin-bottom:24px}
@media (min-width:1024px){.contact .wrap{position:relative}.contact__mark{position:absolute;right:var(--gut);top:0;width:clamp(110px,10vw,150px);margin:0}}
.contact__lines{margin-top:clamp(28px,4vw,48px);border-top:1px solid var(--c-line-dark)}
.cline{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 20px;padding:18px 0;border-bottom:1px solid var(--c-line-dark)}
.cline__big{font-size:clamp(30px,6vw,84px);font-weight:600;letter-spacing:-.01em;line-height:1.1;text-decoration:none;word-break:break-all;transition:color .16s var(--ease-ui)}
.cline__big:hover{color:var(--c-cyan)}
.cline__mid{font-size:clamp(24px,3.4vw,44px);font-weight:600;line-height:1.2;text-decoration:none;font-variant-numeric:tabular-nums;transition:color .16s var(--ease-ui)}
.cline__mid:hover{color:var(--c-cyan)}
.cline__addr{font-size:clamp(16px,1.5vw,19px);line-height:1.65;max-width:40em}
.cline__addr span{display:block;font-size:14px;color:var(--c-mist-dark)}
.copy{display:inline-flex;align-items:center;min-height:44px;padding:0 18px;border-radius:999px;border:1.5px solid rgba(43,229,255,.5);background:transparent;color:var(--c-daylight);font-size:14px;text-decoration:none;cursor:pointer;white-space:nowrap;transition:border-color .16s var(--ease-ui)}
.copy:hover{border-color:var(--c-cyan)}
.copy.is-done{border-color:var(--c-cyan);color:var(--c-cyan)}
.no-js button.copy{display:none}
.topics-mail{margin-top:36px}
.topics-mail__k{font-size:15px;color:var(--c-mist-dark);margin-bottom:12px}
.topics-mail ul{display:flex;flex-wrap:wrap;gap:8px}
.topics-mail a{display:inline-flex;align-items:center;min-height:44px;padding:0 16px;border-radius:999px;background:var(--c-harbor-2);text-decoration:none;font-size:15px;transition:background-color .16s var(--ease-ui),color .16s var(--ease-ui)}
.topics-mail a:hover{background:var(--c-daylight);color:var(--c-ink)}
.contact__more{display:grid;gap:14px;margin-top:40px;max-width:46em;font-size:15px;line-height:1.75}
.contact__privacy{color:var(--c-mist-dark);font-size:14px}

/* ---------- 页脚 ---------- */
.footer{padding-bottom:max(24px,env(safe-area-inset-bottom))}
.footer__line svg{width:100%;height:16px}
.footer__line path{fill:none;stroke:url(#pp-membrane);stroke-width:2;vector-effect:non-scaling-stroke}
.footer__in{display:grid;gap:18px;padding-top:28px}
.footer__brand{display:flex;align-items:center;gap:14px}
.footer__mark{width:36px;height:39px;flex:none}
.footer__name{font-weight:600;font-size:17px}
.footer__sub{font-size:13px;color:var(--c-mist-dark);line-height:1.6}
.footer__contact{font-size:14px;line-height:1.8;color:var(--c-mist-dark)}
.footer__contact a{display:inline-block;padding:10px 0;color:var(--c-daylight);text-decoration:none}
.footer__contact a:hover{color:var(--c-cyan)}
.footer__legal{font-size:12px;line-height:1.7;color:var(--c-mist-dark);max-width:60em}
.footer__icp{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:4px 18px;padding-top:16px;border-top:1px solid var(--c-line-dark);font-size:13px;color:var(--c-mist-dark);text-align:center}
.footer__icp a{display:inline-block;padding:10px 0;color:var(--c-mist-dark);text-decoration:none}
.footer__icp a:hover{color:var(--c-daylight);text-decoration:underline}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}

/* ---------- 打印 ---------- */
@media print{
  .nav,.hero__line,.hero__dock,.divider,.gauge-rail,.confirm__line,.log{display:none!important}
  .t-dark{background:#fff!important;color:#000!important}
}

/* 活水线上的珠子（membrane.js 生成） */
.hbead{position:absolute;left:0;top:0;will-change:transform}
.hbead .bead{left:0;top:0}

/* 404 */
.page-lost{min-height:100vh;display:flex;flex-direction:column;background:var(--c-harbor)}
@supports (height:100svh){.page-lost{min-height:100svh}}
.page-lost .lost{flex:1;display:flex;flex-direction:column}
.page-lost .lost__down{flex:1}
.lost__mark{width:72px;height:auto;aspect-ratio:800/860;margin-bottom:28px}
.lost__up{padding-top:clamp(72px,14vh,160px);padding-bottom:28px}
.lost__down{padding-top:28px;padding-bottom:clamp(72px,14vh,160px)}
.lost .hero__cta{margin-top:28px}