/* Aether 倚泰云：白底、灰卡、大色块、全部黑体 */
:root{
  --bg:#FFFFFF;--card:#F5F5F7;--card2:#FAFAFA;--ink:#0D0D0D;--sub:rgba(13,13,13,.68);--ter:rgba(13,13,13,.58);--line:rgba(13,13,13,.1);
  --pill:#0D0D0D;--pill-ink:#FFFFFF;--pill-hover:#3A3A3A;--ghost:rgba(13,13,13,.06);--ghost-hover:rgba(13,13,13,.11);
  --brand:#0870C9;--jade:#0B7C6F;
  --sans:-apple-system,"PingFang SC","HarmonyOS Sans SC","MiSans","Source Han Sans SC","Noto Sans SC","Microsoft YaHei","Heiti SC",system-ui,sans-serif;
  --r:24px;--r-m:16px;--max:1320px;--gut:max(20px,env(safe-area-inset-left,0px));--gut-r:max(20px,env(safe-area-inset-right,0px));
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#000000;--card:#141414;--card2:#1C1C1C;--ink:#FFFFFF;--sub:rgba(255,255,255,.72);--ter:rgba(255,255,255,.58);--line:rgba(255,255,255,.14);
  --pill:#FFFFFF;--pill-ink:#0D0D0D;--pill-hover:#D9D9D9;--ghost:rgba(255,255,255,.1);--ghost-hover:rgba(255,255,255,.18);
  --brand:#37B4FF;--jade:#3CD0BD;color-scheme:dark;
}}
:root[data-theme="dark"]{
  --bg:#000000;--card:#141414;--card2:#1C1C1C;--ink:#FFFFFF;--sub:rgba(255,255,255,.72);--ter:rgba(255,255,255,.58);--line:rgba(255,255,255,.14);
  --pill:#FFFFFF;--pill-ink:#0D0D0D;--pill-hover:#D9D9D9;--ghost:rgba(255,255,255,.1);--ghost-hover:rgba(255,255,255,.18);
  --brand:#37B4FF;--jade:#3CD0BD;color-scheme:dark;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:calc(84px + env(safe-area-inset-top,0px))}
body{margin:0;background:var(--bg);color:var(--ink);font:400 16px/1.75 var(--sans);overflow-wrap:anywhere;-webkit-font-smoothing:antialiased}
img,svg{display:block;max-width:100%}
a{color:inherit}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0;padding:0}
ul,ol{list-style:none}
h1{font-size:clamp(40px,6vw,80px);line-height:1.14;font-weight:600;letter-spacing:-.02em;text-wrap:balance}
h2{font-size:clamp(30px,3.7vw,50px);line-height:1.2;font-weight:600;letter-spacing:-.015em;text-wrap:balance}
h3{font-size:20px;line-height:1.45;font-weight:600}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.wrap{max-width:calc(var(--max) + var(--gut) + var(--gut-r));margin-inline:auto;padding-inline:var(--gut) var(--gut-r)}
.sec{padding-block:clamp(56px,7vw,104px)}
.lede{color:var(--sub);font-size:clamp(17px,1.5vw,20px);line-height:1.7;max-width:44em;margin-top:16px;text-wrap:pretty}
.head{margin-bottom:clamp(28px,3.4vw,48px)}
.head-c{text-align:center}.head-c .lede{margin-inline:auto}
.kw{color:var(--brand)}
.small{font-size:14px;color:var(--ter)}
.tlink{font-weight:500;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px}
.tlink:hover{color:var(--brand)}
.skip{position:absolute;left:-999px;top:0;background:var(--bg);padding:8px 16px;z-index:100}
.skip:focus{left:var(--gut)}

/* 按钮：胶囊 */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 24px;border-radius:999px;border:0;font:500 16px/1.4 var(--sans);text-decoration:none;cursor:pointer;transition:background-color .15s}
.btn-p{background:var(--pill);color:var(--pill-ink)}
.btn-p:hover{background:var(--pill-hover)}
.btn-o{background:var(--ghost);color:var(--ink)}
.btn-o:hover{background:var(--ghost-hover)}
.btn-s{min-height:38px;padding:6px 16px;font-size:14px}
.btns{display:flex;flex-wrap:wrap;gap:10px}
.head-c .btns,.ph .btns{justify-content:center}

/* 页头 */
.hd{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 88%,transparent);-webkit-backdrop-filter:saturate(180%) blur(16px);backdrop-filter:saturate(180%) blur(16px);padding-top:env(safe-area-inset-top,0px)}
.hd-in{display:flex;align-items:center;gap:20px;height:64px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;flex:none}
.logo img{height:38px;width:auto}
.logo span{font-weight:600;font-size:15px;letter-spacing:.06em;padding-left:10px;border-left:1px solid var(--line)}
.nav{display:flex;gap:2px;margin-left:12px}
.nav a{padding:6px 11px;font-size:15px;text-decoration:none;color:var(--sub);border-radius:999px;white-space:nowrap}
.nav a:hover{color:var(--ink);background:var(--ghost)}
.nav a[aria-current]{color:var(--ink);font-weight:500;background:var(--ghost)}
.hd-cta{margin-left:auto}
.mnav{display:none;margin-left:auto}
.mnav summary{list-style:none;cursor:pointer;min-height:38px;display:flex;align-items:center;padding:6px 16px;background:var(--ghost);border-radius:999px;font-size:14px;font-weight:500}
.mnav summary::-webkit-details-marker{display:none}
.mnav-p{position:absolute;left:0;right:0;top:100%;background:var(--bg);padding:8px var(--gut-r) 20px var(--gut);max-height:calc(100vh - 64px);overflow:auto;box-shadow:0 12px 24px rgba(0,0,0,.08)}
.mnav-p a{display:block;padding:13px 0;border-bottom:1px solid var(--line);text-decoration:none;font-size:17px}
.mnav-p a:last-child{border-bottom:0;font-weight:600}
@media (max-width:1120px){.nav,.hd-cta{display:none}.mnav{display:block}}

/* 首屏 */
.hero{text-align:center;padding-block:clamp(64px,10vh,124px) clamp(40px,6vh,72px)}
.hero p.sub{margin:18px auto 0;color:var(--sub);font-size:clamp(17px,1.7vw,22px);line-height:1.6;max-width:36em;text-wrap:balance}
.match{max-width:760px;margin:36px auto 0;text-align:left}
.composer{position:relative;background:var(--bg);border:1px solid var(--line);border-radius:var(--r);box-shadow:0 2px 20px rgba(0,0,0,.07);padding:14px 60px 14px 20px;min-height:84px}
.composer label{position:absolute;left:-9999px}
.composer input{width:100%;height:56px;border:0;outline:0;background:transparent;font:400 18px var(--sans);color:var(--ink)}
.composer input::placeholder{color:var(--ter)}
.send{position:absolute;right:14px;bottom:14px;width:40px;height:40px;border-radius:50%;border:0;background:var(--pill);color:var(--pill-ink);display:grid;place-items:center;cursor:pointer}
.send:hover{background:var(--pill-hover)}
.chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:16px}
.chip{border:1px solid var(--line);background:transparent;color:var(--sub);border-radius:999px;padding:5px 14px;min-height:34px;font:400 14px/1.4 var(--sans);cursor:pointer;transition:background-color .15s}
.chip:hover{background:var(--ghost);color:var(--ink)}
.chip[aria-pressed="true"]{background:var(--pill);border-color:var(--pill);color:var(--pill-ink)}
.match-res{margin-top:16px;background:var(--card);border-radius:var(--r-m);padding:8px 20px 16px}
.match-res li{padding:12px 0;border-bottom:1px solid var(--line)}
.match-res li:last-child{border-bottom:0}
.match-res b{display:block;font-weight:600}
.match-res span{display:block;font-size:14px;color:var(--sub);line-height:1.6}
.match-res p.small{padding-top:12px}
.match-go{display:flex;flex-wrap:wrap;gap:6px 18px;margin-top:8px;font-size:14px}
.match-note{margin-top:12px;font-size:13px;color:var(--ter);text-align:center}

/* 媒体块：色块和照片，字压在上面 */
.media{position:relative;display:block;overflow:hidden;border-radius:var(--r-m);background-color:var(--card);background-size:cover;background-position:center;container-type:inline-size}
.media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.2,.7,.2,1)}
.media.photo::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.08),rgba(0,0,0,.42))}
.over{position:absolute;z-index:1;left:6cqw;right:6cqw;bottom:6cqw;color:#fff;font-weight:600;font-size:clamp(22px,9.4cqw,92px);line-height:1.08;letter-spacing:-.02em}
.over small{display:block;font-size:.42em;font-weight:500;letter-spacing:0;line-height:1.3;margin-top:.3em}
.over.ink{color:#0D0D0D}
.over.c{top:50%;bottom:auto;transform:translateY(-50%);text-align:center;font-size:clamp(24px,6cqw,84px);text-wrap:balance}
.r169{aspect-ratio:16/9}.r43{aspect-ratio:4/3}.r11{aspect-ratio:1/1}.r219{aspect-ratio:21/9}
.tile{display:block;text-decoration:none;color:inherit}
a.tile:hover .media img{transform:scale(1.025)}
.tile h3{margin-top:14px;font-weight:500;font-size:18px;line-height:1.45;text-wrap:pretty}
.tile.lg h3{font-size:clamp(22px,2.4vw,34px);line-height:1.25;font-weight:500;letter-spacing:-.01em}
.meta{margin-top:6px;font-size:14px;color:var(--ter);line-height:1.6}
.meta b{color:var(--ink);font-weight:500;margin-right:8px}
.tile p.d{margin-top:6px;font-size:15px;color:var(--sub);line-height:1.6}

/* 首页主图阵 */
.feat{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:28px}
.feat-l{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
.feat-l .tile.lg{grid-column:1 / -1}
.feat-r{display:grid;gap:28px;align-content:start}
@media (max-width:900px){.feat{grid-template-columns:minmax(0,1fr)}.feat-r{grid-template-columns:repeat(2,minmax(0,1fr))}.feat-r .tile:last-child{grid-column:1 / -1}}
@media (max-width:560px){.feat-l,.feat-r{grid-template-columns:minmax(0,1fr)}}
.t3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px 28px}
.t4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:36px 20px}
.t6{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:40px 28px}
.t6>*{grid-column:span 2}
.t6>*:nth-child(n+4){grid-column:span 3}
@media (max-width:980px){.t4{grid-template-columns:repeat(3,minmax(0,1fr))}.t3,.t6{grid-template-columns:repeat(2,minmax(0,1fr))}.t6>*,.t6>*:nth-child(n+4){grid-column:auto}}
@media (max-width:620px){.t4{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 12px}.t3,.t6{grid-template-columns:minmax(0,1fr)}}
.t4 .over{font-size:clamp(17px,8.6cqw,30px);letter-spacing:-.01em;line-height:1.25}

/* 大数字 */
.nums{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.nums>div{background:var(--card);border-radius:var(--r);padding:clamp(22px,2.6vw,36px)}
.nums b{display:block;font-weight:500;font-size:clamp(48px,6.6vw,96px);line-height:1;letter-spacing:-.035em;font-variant-numeric:tabular-nums}
.nums span{display:block;margin-top:14px;color:var(--sub);font-size:16px}
@media (max-width:720px){.nums{grid-template-columns:1fr 1fr}}
.nums-s b{font-size:clamp(30px,3.6vw,52px);line-height:1.1;letter-spacing:-.025em;overflow-wrap:anywhere}
.nums-s span{font-size:15px;line-height:1.55}
.nums small{display:block;margin-top:10px;color:var(--ter);font-size:13px;line-height:1.5}
.cell-n{font-size:clamp(24px,2.4vw,32px);font-weight:500;color:var(--ink)!important;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.tags a{color:inherit;text-decoration:none}

/* 五层 */
.strata{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:8px clamp(24px,4vw,56px);align-items:start}
.st-b{grid-column:1;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;min-height:76px;padding:12px 24px;border:0;border-radius:var(--r-m);cursor:pointer;text-align:left;color:#fff;font:600 20px/1.4 var(--sans);background-size:cover;background-position:center;transition:min-height .2s}
.st-b::before{content:"";position:absolute;inset:0;background:rgba(6,16,28,.22)}
.st-b>*{position:relative}
.st-b small{font-weight:500;font-size:14px;text-align:right}
.st-b[aria-expanded="true"]{min-height:112px;font-size:24px}
.st-p{grid-column:2;grid-row:1 / span 5;display:none;background:var(--card);border-radius:var(--r);padding:clamp(24px,3vw,40px)}
.st-p.on{display:block}
.st-p h3{font-size:clamp(24px,2.5vw,34px);line-height:1.25;font-weight:600;letter-spacing:-.01em}
.st-p p{color:var(--sub);margin-top:10px}
.st-p ul{margin-top:18px}
.st-p li{padding:12px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:minmax(120px,170px) minmax(0,1fr);gap:4px 16px}
.st-p li b{font-weight:600}
.st-p li span{color:var(--sub)}
.st-p .btn{margin-top:18px}
@media (max-width:860px){
  .strata{grid-template-columns:minmax(0,1fr)}
  .st-b,.st-b[aria-expanded="true"]{min-height:64px;font-size:18px}
  .st-p,.st-p.on{grid-column:1;grid-row:auto}
  .st-p.on{margin-bottom:8px}
  .st-p li{grid-template-columns:minmax(0,1fr)}
}

/* 灰卡 */
.cards{display:grid;gap:16px}
.c3{grid-template-columns:repeat(3,minmax(0,1fr))}
.c2{grid-template-columns:repeat(2,minmax(0,1fr))}
@media (max-width:900px){.c3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:620px){.c3,.c2{grid-template-columns:minmax(0,1fr)}}
.cell{background:var(--card);border-radius:var(--r);padding:clamp(22px,2.4vw,32px)}
.cell h3{font-size:clamp(19px,1.7vw,23px);line-height:1.35}
.cell p{color:var(--sub);margin-top:10px;font-size:16px;line-height:1.7}

/* 进度条步骤 */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.steps>li{position:relative;background:var(--card);border-radius:var(--r);padding:48px clamp(20px,2vw,28px) 28px}
.steps>li::before,.steps>li::after{content:"";position:absolute;left:clamp(20px,2vw,28px);right:clamp(20px,2vw,28px);top:26px;height:4px;border-radius:999px;background:var(--line)}
.steps>li::after{background:var(--ink);right:auto;width:calc((100% - 2 * clamp(20px,2vw,28px)) * var(--p,.25))}
.steps .n{font-size:14px;color:var(--ter);font-variant-numeric:tabular-nums}
.steps h3{margin-top:8px;font-size:22px}
.steps p{color:var(--sub);font-size:15px;margin-top:8px;line-height:1.65}
.steps.s6{grid-template-columns:repeat(3,minmax(0,1fr))}
@media (max-width:980px){.steps,.steps.s6{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.steps,.steps.s6{grid-template-columns:minmax(0,1fr)}}

/* 深色算力卡 */
.dk{background:#0D0D0D;color:#fff;border-radius:var(--r);padding:clamp(28px,4.4vw,64px);display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(28px,4vw,64px);align-items:start}
.dk h2{color:#fff}
.dk .lede{color:rgba(255,255,255,.72)}
.dk .small{color:rgba(255,255,255,.58)}
.dk .btn-p{background:#fff;color:#0D0D0D}
.dk .btn-p:hover{background:#D9D9D9}
:root[data-theme="dark"] .dk{background:#141414}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .dk{background:#141414}}
@media (max-width:900px){.dk{grid-template-columns:minmax(0,1fr)}}
.tiers{border-top:1px solid rgba(255,255,255,.16)}
.tier{display:grid;grid-template-columns:minmax(0,140px) minmax(0,1fr) auto;gap:6px 16px;padding:18px 0;border-bottom:1px solid rgba(255,255,255,.16);align-items:center}
.tier b{font-weight:600}
.tier .bar{height:10px;border-radius:999px;background:linear-gradient(90deg,#00B3FF,#22D3C5);width:calc(var(--v) * 1%)}
.tier .gb{font-weight:500;font-size:18px;white-space:nowrap;font-variant-numeric:tabular-nums}
.tier .use{grid-column:1 / -1;font-size:14px;color:rgba(255,255,255,.62)}
@media (max-width:560px){.tier{grid-template-columns:minmax(0,1fr) auto}.tier .bar{grid-column:1 / -1;order:3}.tier .use{order:4}}

/* 问答 */
.faqs{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:clamp(24px,4vw,64px)}
@media (max-width:860px){.faqs{grid-template-columns:minmax(0,1fr)}}
.faq details{border-bottom:1px solid var(--line)}
.faq details:first-child{border-top:1px solid var(--line)}
.faq summary{cursor:pointer;padding:18px 32px 18px 0;font-weight:500;font-size:18px;list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:15px;font-size:24px;color:var(--ter);font-weight:400}
.faq details[open] summary::after{content:"\2212"}
.faq details p{color:var(--sub);padding:0 0 20px;max-width:46em}

/* 收尾色块 */
.cta{position:relative;overflow:hidden;border-radius:var(--r);min-height:clamp(320px,34vw,460px);display:grid;place-items:center;text-align:center;padding:40px 24px;color:#0D0D0D}
.cta img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.cta>div{position:relative;max-width:40em}
.cta h2{color:#0D0D0D}
.cta p{margin-top:12px;font-size:clamp(16px,1.5vw,19px);color:rgba(13,13,13,.78);text-wrap:balance}
.cta .btn{margin-top:22px;background:#0D0D0D;color:#fff}
.cta .btn:hover{background:#3A3A3A}

/* 子页页头 */
.ph{text-align:center;padding-block:clamp(48px,7vw,96px) clamp(32px,4vw,56px)}
.ph h1{font-size:clamp(38px,5.2vw,72px)}
.ph .lede{margin-inline:auto;text-wrap:balance}
.ph .btns{margin-top:24px}
.ph-m{margin-bottom:clamp(8px,2vw,24px)}
.ph-m .media{border-radius:var(--r);aspect-ratio:21/8}
.ph-m .over{font-size:clamp(26px,6.2cqw,84px)}
@media (max-width:720px){.ph-m .media{aspect-ratio:4/3}.ph-m .over{font-size:clamp(26px,9cqw,60px)}}

/* 模块页 */
.tools{position:sticky;top:calc(64px + env(safe-area-inset-top,0px));z-index:20;background:var(--bg);padding-block:12px}
.tools-top{display:flex;align-items:center;gap:14px}
.tools input{flex:1;width:100%;max-width:520px;height:44px;padding:0 18px;font:400 16px var(--sans);color:var(--ink);background:var(--card);border:0;border-radius:999px}
.tools .chips{flex-wrap:nowrap;overflow-x:auto;justify-content:flex-start;margin-top:10px;padding-bottom:2px;scrollbar-width:none}
.tools .chips::-webkit-scrollbar{display:none}
.tools .chip{flex:none}
.cat{display:grid;grid-template-columns:minmax(0,3fr) minmax(0,8fr);gap:clamp(20px,3vw,44px);padding-block:32px;scroll-margin-top:170px;border-top:1px solid var(--line)}
.cat-m{position:sticky;top:186px;align-self:start}
.cat-m .media{aspect-ratio:4/3}
.cat-m .over{font-size:clamp(20px,10cqw,30px);line-height:1.25;letter-spacing:-.01em}
.cat-m p{margin-top:8px;font-size:14px;color:var(--ter)}
.mods{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 clamp(20px,3vw,40px);align-content:start}
.mods li{padding:14px 0;border-bottom:1px solid var(--line);scroll-margin-top:190px}
.mods b{display:block;font-weight:600}
.mods span{display:block;color:var(--sub);font-size:15px;line-height:1.65;margin-top:2px}
.mods li.hit{background:var(--card);border-radius:12px;padding-inline:12px}
@media (max-width:860px){.cat{grid-template-columns:minmax(0,1fr)}.cat-m{position:static}.cat-m .media{aspect-ratio:21/8}}
@media (max-width:640px){.mods{grid-template-columns:minmax(0,1fr)}}
.empty{padding:48px 0;color:var(--sub);text-align:center}

/* 产品块 */
.prod{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(24px,4vw,64px);padding-block:clamp(32px,4vw,56px);scroll-margin-top:84px;align-items:start}
.prod:nth-of-type(even)>.prod-m{order:2}
.prod-m .media{border-radius:var(--r)}
.prod h2{font-size:clamp(26px,2.8vw,38px)}
.prod .for{margin-top:6px;color:var(--ter);font-size:15px}
.prod .sub-lead{font-size:clamp(22px,2.2vw,30px);font-weight:600;line-height:1.3;margin:0 0 14px;text-wrap:balance}
.chain{display:flex;flex-wrap:wrap;gap:8px 0;align-items:center;margin-bottom:18px}
.chain li{display:flex;align-items:center;font-weight:500;font-size:14px}
.chain li span{padding:4px 12px;background:var(--ghost);border-radius:999px}
.chain li+li::before{content:"";display:block;width:14px;height:1px;background:var(--ter);margin-inline:4px}
.caps{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 clamp(20px,3vw,36px)}
.caps li{padding:12px 0;border-top:1px solid var(--line);font-size:15px;line-height:1.6}
.caps b{font-weight:600;display:block;font-size:16px}
.caps span{color:var(--sub)}
.note{margin-top:14px;font-size:14px;color:var(--ter)}
.note b{color:var(--ink);font-weight:500}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:18px}
.tags li{padding:4px 12px;background:var(--ghost);border-radius:999px;font-weight:500;font-size:14px}
@media (max-width:860px){.prod{grid-template-columns:minmax(0,1fr)}.prod:nth-of-type(even)>.prod-m{order:0}}
@media (max-width:560px){.caps{grid-template-columns:minmax(0,1fr)}}
.triad{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(20px,3vw,40px)}
.triad h4{font-size:14px;font-weight:500;color:var(--ter);margin-bottom:6px}
.triad li{padding:11px 0;border-top:1px solid var(--line);line-height:1.6}
.triad .mod b{font-weight:600;display:block}
.triad .mod span{font-size:14px;color:var(--sub);display:block}
@media (max-width:620px){.triad{grid-template-columns:minmax(0,1fr)}}

/* 分栏与列表 */
.split{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(28px,5vw,72px);align-items:start}
@media (max-width:900px){.split{grid-template-columns:minmax(0,1fr)}}
.side-list{display:grid;gap:8px}
.side-list li{background:var(--card);border-radius:var(--r-m);padding:18px 22px}
.side-list b{display:block;font-weight:600;font-size:17px}
.side-list span{color:var(--sub);font-size:15px;line-height:1.65}

/* 表格 */
.tblw{background:var(--card);border-radius:var(--r);padding:clamp(8px,1.4vw,16px) clamp(20px,2.4vw,32px)}
.tbl{width:100%;border-collapse:collapse;font-size:15px}
.tbl th,.tbl td{text-align:left;padding:15px 18px 15px 0;border-bottom:1px solid var(--line);vertical-align:top;line-height:1.6}
.tbl tr:last-child td{border-bottom:0}
.tbl th{font-weight:500;color:var(--ter);font-size:14px}
.tbl td{color:var(--sub)}
.tbl td:first-child{font-weight:600;white-space:nowrap;color:var(--ink)}
.tbl-n td:first-child{white-space:normal;min-width:7em}
.tbl-n td:first-child a{color:inherit}
@media (max-width:680px){
  .tbl,.tbl tbody,.tbl tr,.tbl td{display:block;width:100%}
  .tbl thead{display:none}
  .tbl tr{padding:14px 0;border-bottom:1px solid var(--line)}
  .tbl tr:last-child{border-bottom:0}
  .tbl td{border:0;padding:2px 0;white-space:normal!important}
}

/* 表单 */
.form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;background:var(--card);border-radius:var(--r);padding:clamp(20px,3vw,36px)}
.f{display:block}
.f.full{grid-column:1 / -1}
.f>span{display:block;font-weight:500;font-size:15px;margin-bottom:6px}
.f>span em{font-style:normal;color:var(--ter);font-weight:400;font-size:13px;margin-left:6px}
.f input,.f select,.f textarea{width:100%;min-height:48px;padding:11px 14px;font:400 16px/1.5 var(--sans);color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:12px}
.f textarea{min-height:132px;resize:vertical}
.consent{grid-column:1 / -1;display:flex;gap:10px;font-size:14px;color:var(--sub);line-height:1.6;align-items:flex-start}
.consent input{margin-top:3px;flex:none;width:18px;height:18px;accent-color:var(--pill)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-foot{grid-column:1 / -1;display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.form-msg{font-size:15px}
.form-msg.err{color:#C0392B}
.form-msg.ok{color:var(--jade)}
:root[data-theme="dark"] .form-msg.err{color:#FF8A7A}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .form-msg.err{color:#FF8A7A}}
@media (max-width:620px){.form{grid-template-columns:minmax(0,1fr)}}
.fold{margin-top:16px;font-size:14px;color:var(--sub)}
.fold summary{cursor:pointer;color:var(--ink);font-weight:500}
.fold p{margin-top:8px}

/* 页脚 */
.ft{margin-top:clamp(40px,5vw,72px);border-top:1px solid var(--line);font-size:14px;color:var(--sub);padding-bottom:env(safe-area-inset-bottom,0px)}
.ft-in{display:grid;grid-template-columns:minmax(0,2.2fr) repeat(3,minmax(0,1fr));gap:32px;padding-block:48px 32px}
.ft h4{color:var(--ink);font-weight:500;font-size:14px;margin-bottom:10px}
.ft li{padding:3px 0}
.ft a{text-decoration:none}
.ft a:hover{color:var(--ink);text-decoration:underline}
.ft-brand img{height:42px;width:auto;margin-bottom:14px}
.ft-brand p{max-width:26em;line-height:1.7}
.ft-legal{border-top:1px solid var(--line);padding-block:18px;padding-right:96px;display:flex;flex-wrap:wrap;gap:4px 20px;justify-content:space-between;color:var(--ter)}
@media (max-width:760px){.ft-in{grid-template-columns:1fr 1fr}.ft-brand{grid-column:1 / -1}}
.float{position:fixed;right:max(16px,env(safe-area-inset-right,0px));bottom:max(16px,env(safe-area-inset-bottom,0px));z-index:40;background:var(--pill);color:var(--pill-ink);text-decoration:none;padding:9px 20px;border-radius:999px;font-weight:500;font-size:15px;box-shadow:0 4px 18px rgba(0,0,0,.2)}
.float:hover{background:var(--pill-hover)}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
@media print{.hd,.float,.tools{display:none}}