*,*::before,*::after{box-sizing:border-box}
:root{--font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",system-ui,sans-serif;--mono:ui-monospace,SFMono-Regular,Consolas,monospace;
--bg:#f4ecd8;--surface:#fffaf0;--ink:#0d2a36;--muted:#4c616b;--line:#dccfae;--sea:#0b4f6c;--sea2:#0f7c8c;--foam:#e1f1ef;--sun:#e0782d;--primary:#0b4f6c;--link:#0b5c7d;--link-h:#073a50;--focus:#e0782d;--ok:#1b7a55;--warn:#a55a00;--cta:#e0782d;--cta-ink:#1d0d02}
[data-theme=dark]{--bg:#071a24;--surface:#0d2633;--ink:#e3f0ef;--muted:#9cb6bc;--line:#1f4050;--sea:#6cc5d6;--sea2:#8adbd9;--foam:#0f3240;--sun:#f3a25c;--primary:#6cc5d6;--link:#8ad6e4;--link-h:#c2eef5;--focus:#f3a25c;--ok:#62d3a2;--warn:#f0a44a;--cta:#f3a25c;--cta-ink:#1d0d02}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.85 var(--font);overflow-wrap:anywhere}
a{color:var(--link);text-underline-offset:3px}a:hover{color:var(--link-h)}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
h1,h2,h3{margin:0;line-height:1.35}p{margin:0 0 1em}
code{font:.88em var(--mono);background:var(--foam);padding:.1em .4em;border-radius:5px}
pre{background:#062331;color:#cfeef2;padding:12px 14px;border-radius:10px;overflow:auto;font:13.5px/1.6 var(--mono)}pre code{background:none;color:inherit;padding:0}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.skip:focus{position:static;width:auto;height:auto;clip:auto;display:block;background:#fff;color:#000;padding:6px}
.wrap{width:min(1120px,100% - 32px);margin-inline:auto}
.hd{background:linear-gradient(180deg,#0b4f6c,#0f7c8c);color:#fff;position:sticky;top:0;z-index:40}
[data-theme=dark] .hd{background:linear-gradient(180deg,#05202c,#0b3a4a)}
.hd .wrap{display:flex;align-items:center;gap:14px;padding:10px 0}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:#fff;margin-right:auto}
.logo svg{width:42px;height:42px;flex:none}
.logo b{display:block;font-size:1.25rem;letter-spacing:.08em}.logo small{display:block;font-size:.72rem;opacity:.85;line-height:1.2}
.site-nav{display:flex;gap:2px;flex-wrap:wrap}
.site-nav a{color:#fff;text-decoration:none;padding:.3em .85em;font-size:.93rem;border-radius:999px}
.site-nav a:hover{background:rgba(255,255,255,.14)}.site-nav a[aria-current]{background:#fff;color:#0b4f6c}
.theme-btn,.nav-btn{font:inherit;font-size:.82rem;background:transparent;color:#fff;border:1px solid rgba(255,255,255,.55);border-radius:999px;padding:.25em .9em;cursor:pointer}.nav-btn{display:none}
.wave{height:22px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 40' preserveAspectRatio='none'%3E%3Cpath d='M0 20 Q150 0 300 20 T600 20 T900 20 T1200 20 V40 H0Z' fill='%23f4ecd8'/%3E%3C/svg%3E") center/100% 100% no-repeat,linear-gradient(180deg,#0f7c8c,#0f7c8c);}
[data-theme=dark] .wave{background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 40' preserveAspectRatio='none'%3E%3Cpath d='M0 20 Q150 0 300 20 T600 20 T900 20 T1200 20 V40 H0Z' fill='%23071a24'/%3E%3C/svg%3E") center/100% 100% no-repeat,linear-gradient(180deg,#0b3a4a,#0b3a4a)}
.pg{padding:10px 0 56px}
.crumbs{font-size:.82rem;color:var(--muted);margin:0 0 10px}.crumbs a{color:var(--muted)}.crumbs i{font-style:normal;margin:0 .4em}
.lay{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:26px;align-items:start}
.main{min-width:0}
.ph{margin:0 0 16px}.ph .kick{display:inline-flex;align-items:center;gap:6px;font:700 .76rem var(--font);color:var(--sea2);letter-spacing:.12em}
.ph .kick::before{content:"";width:18px;height:2px;background:var(--sun)}
.ph h1{font-size:clamp(1.6rem,4vw,2.3rem);font-weight:900;color:var(--sea)}.ph p{margin:6px 0 0;color:var(--muted);font-size:.9rem}
.voice{margin:0 0 14px;padding:10px 16px;border-radius:14px;background:var(--foam);color:var(--sea);font-size:.95rem}.voice b{display:inline-block;margin-right:.6em;font-size:.76rem;letter-spacing:.12em;color:var(--sun)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:6px 26px 22px}
.card h2{font-size:1.3rem;margin:1.5em 0 .55em;color:var(--sea);display:flex;align-items:center;gap:.5em}
.card h2::before{content:"";width:12px;height:12px;border-radius:50%;background:var(--sea2);box-shadow:0 0 0 4px var(--foam)}
.card h3{font-size:1.05rem;margin:1.1em 0 .3em}
.keybox{background:var(--foam);border-radius:14px;padding:12px 16px;margin:18px 0 1.2em;border:1px solid var(--line)}
.keybox-label{display:inline-block;font:800 .74rem var(--font);color:var(--sun);letter-spacing:.1em;margin-right:.6em}.keybox p{display:inline;margin:0}
.lst{padding-left:1.4em;margin:0 0 1.1em}.lst li{margin:.25em 0}.lst li::marker{color:var(--sea2)}
.note{display:flex;gap:10px;padding:10px 14px;margin:0 0 1.1em;border-left:4px solid var(--sea2);border-radius:0 12px 12px 0;background:var(--foam);font-size:.94rem}
.note strong{flex:none;color:var(--sea)}.note-warn{border-left-color:var(--sun);background:#fbe9d7;color:#3b2208}[data-theme=dark] .note-warn{background:#3a2510;color:#f7dcc0}
.tbl-wrap{overflow-x:auto;margin:0 0 1.3em;border:1px solid var(--line);border-radius:14px;background:var(--surface)}
.tbl{width:100%;border-collapse:collapse;font-size:.92rem;min-width:460px}.tbl.wide{min-width:780px}
.tbl th,.tbl td{padding:8px 12px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
.tbl thead th{background:var(--sea);color:#fff;white-space:nowrap}[data-theme=dark] .tbl thead th{background:#0b3a4a}.tbl tbody th{white-space:nowrap}.tbl tr:last-child>*{border-bottom:0}
.pill{display:inline-block;font-size:.72rem;padding:.02em .6em;border:1px solid var(--line);border-radius:999px;white-space:nowrap}
.pill-ok{background:var(--ok);color:#fff;border-color:transparent}.pill-conflict{background:var(--warn);color:#fff;border-color:transparent}.pill-gap,.pill-none{color:var(--muted);border-style:dashed}
.dimtable td,.dimtable th{text-align:center}.dimtable tbody th{text-align:left}
.steps{margin:0 0 1.2em;padding:0;list-style:none;counter-reset:s}.steps li{padding:0 0 12px 3em;position:relative;counter-increment:s}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:2em;height:2em;background:var(--sea2);color:#fff;border-radius:50% 50% 50% 8px;display:grid;place-items:center;font:800 .9rem var(--font)}
.steps h3{margin:0 0 2px!important;font-size:1rem}.steps p{margin:0}.step-note{font-size:.88rem;color:var(--muted)}
.faq{margin:1.4em 0 .6em}.faq details{background:var(--surface);border:1px solid var(--line);border-radius:14px;margin:0 0 8px;padding:0 16px}
.faq summary{cursor:pointer;padding:10px 0;font-weight:700;color:var(--sea)}.faq details p{margin:0 0 10px;color:var(--muted)}
.ctabox{background:var(--foam);border:1px dashed var(--sea2);border-radius:16px;padding:14px 18px;margin:1.3em 0;text-align:center}.ctabox-t{font-weight:700;margin:0 0 10px}.bc-disc{display:block;font-size:.78rem;color:var(--muted);margin-top:8px}
.btn{display:inline-flex;align-items:center;padding:.5em 1.3em;background:var(--sea);color:#fff;font-weight:700;font-size:.92rem;text-decoration:none;border-radius:999px;border:0;cursor:pointer}.btn:hover{background:var(--sea2);color:#fff}
[data-theme=dark] .btn{background:#0f7c8c}.btn-aff{background:var(--cta);color:var(--cta-ink)}.btn-aff:hover{background:#c96720;color:#fff}.btn-lg{padding:.7em 1.7em;font-size:1rem}.btn-ghost{background:transparent;color:var(--sea);border:1.5px solid var(--sea)}.btn-ghost:hover{background:var(--foam);color:var(--sea)}[data-theme=dark] .btn-ghost{background:transparent}
.linkcards{list-style:none;margin:0 0 1.2em;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:10px}
.linkcards li{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:10px 14px}.linkcards a{font-weight:700}.linkcards span{display:block;font-size:.84rem;color:var(--muted)}
.cross{border-top:1px dashed var(--line);padding:9px 2px;margin:0 0 1.2em;font-size:.92rem}.cross-lead{color:var(--muted);margin-right:.5em}
.chips{list-style:none;margin:0 0 1.2em;padding:0;display:flex;flex-wrap:wrap;gap:8px}.chips li{background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:.1em 1em;font-size:.9rem}
.next{margin-top:22px;background:var(--foam);border-radius:16px;padding:12px 18px;font-size:.92rem}.next h2{font-size:1rem;margin:0 0 6px;color:var(--sea)}.next ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px 18px}
.side{position:sticky;top:80px;display:grid;gap:12px;font-size:.9rem}
.sc{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:12px 16px}.sc h2{font-size:.95rem;margin:0 0 6px;color:var(--sea)}
.sc ul{list-style:none;margin:0;padding:0}.sc li{padding:4px 0;border-bottom:1px dotted var(--line)}.sc li:last-child{border:0}.sc a{text-decoration:none;color:var(--ink)}.sc a:hover,.sc a[aria-current]{color:var(--sun)}
.sc-top{background:linear-gradient(160deg,#0b4f6c,#0f7c8c);border:0;color:#fff}.sc-top h2{color:#ffd9b8}.sc-top b{display:block;font-size:1.15rem;margin:2px 0 4px}.sc-top p{margin:0 0 10px;font-size:.86rem;color:#d7eef0}
/* 品牌卡 */
.bc-list{display:grid;gap:12px;margin:0 0 1.3em}
.bc{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:14px 18px;position:relative;overflow:hidden}
.bc::after{content:"";position:absolute;left:0;right:0;bottom:0;height:6px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 40' preserveAspectRatio='none'%3E%3Cpath d='M0 20 Q150 0 300 20 T600 20 T900 20 T1200 20 V40 H0Z' fill='%23f4ecd8'/%3E%3C/svg%3E") center/100% 100% no-repeat;opacity:.0}
.bc.is-top{border:2px solid var(--sun);background:linear-gradient(180deg,var(--surface),var(--foam))}
.bc h3{font-size:1.1rem;display:flex;gap:8px;align-items:center;flex-wrap:wrap}.bc h3 small{color:var(--muted);font-weight:400;font-size:.8rem}
.bc .fig{display:inline-grid;place-items:center;width:1.9em;height:1.9em;background:var(--sea);color:#fff;border-radius:50% 50% 50% 6px;font:800 .8rem var(--font)}
.bc .badge{font:800 .72rem var(--font);background:var(--sun);color:#1d0d02;border-radius:999px;padding:0 .8em}
.bc-tag{margin:.3em 0 .5em;color:var(--muted);font-size:.92rem}.bc .obs{font-size:.84rem;color:var(--muted);border-top:1px dashed var(--line);padding-top:6px;margin:0 0 .6em}
.bc-foot{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.bc-specs{margin:0 0 .6em;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:4px 16px;font-size:.88rem}.bc-specs div{display:flex;gap:8px}.bc-specs dt{flex:none;color:var(--sea2);font-weight:700}.bc-specs dd{margin:0}
.bc-empty{font-size:.88rem;color:var(--muted)}
/* 首页 */
.hero{background:linear-gradient(180deg,#0f7c8c,#0b4f6c 70%);color:#fff;padding:26px 0 70px;position:relative}
[data-theme=dark] .hero{background:linear-gradient(180deg,#0b3a4a,#05202c 70%)}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:46px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 40' preserveAspectRatio='none'%3E%3Cpath d='M0 20 Q150 0 300 20 T600 20 T900 20 T1200 20 V40 H0Z' fill='%23f4ecd8'/%3E%3C/svg%3E") center/100% 100% no-repeat}
[data-theme=dark] .hero::after{background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 40' preserveAspectRatio='none'%3E%3Cpath d='M0 20 Q150 0 300 20 T600 20 T900 20 T1200 20 V40 H0Z' fill='%23071a24'/%3E%3C/svg%3E") center/100% 100% no-repeat}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:26px;align-items:center}
.hero h1{font-size:clamp(1.8rem,4.4vw,2.8rem);font-weight:900;line-height:1.2}.hero h1 em{font-style:normal;color:#ffd9b8}
.hero .lead{color:#d7eef0;margin:.8em 0 1.1em}.ctas{display:flex;flex-wrap:wrap;gap:10px}
.hero .btn-ghost{color:#fff;border-color:#fff}.hero .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.chart{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.25);border-radius:20px;padding:16px 18px}
.chart b{display:block;font-size:.8rem;letter-spacing:.14em;color:#ffd9b8;margin-bottom:8px}
.chart ol{margin:0;padding:0;list-style:none;display:grid;gap:8px}.chart li{display:flex;gap:10px;align-items:baseline}.chart li i{font-style:normal;font:800 .8rem var(--mono);color:#ffd9b8}.chart a{color:#fff}
.sec-h{font-size:1.4rem;font-weight:900;color:var(--sea);margin:1.8em 0 .7em;display:flex;align-items:center;gap:.5em}.sec-h::after{content:"";flex:1;height:2px;background:repeating-linear-gradient(90deg,var(--sea2) 0 10px,transparent 10px 16px);opacity:.5}
.seas{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}
.sea{display:block;text-decoration:none;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:14px 16px;border-top:5px solid var(--sea2)}
.sea:hover{border-top-color:var(--sun);color:var(--ink)}.sea i{font-style:normal;font-size:.72rem;letter-spacing:.14em;color:var(--sun);font-weight:800}.sea b{display:block;font-size:1.08rem;margin:2px 0}.sea span{font-size:.86rem;color:var(--muted)}
.feat{display:grid;grid-template-columns:1fr auto;gap:18px;align-items:center;background:var(--surface);border:2px solid var(--sun);border-radius:22px;padding:18px 24px;margin:26px 0}
.feat-tag{display:inline-block;background:var(--sun);color:#1d0d02;font:800 .74rem var(--font);padding:0 .9em;border-radius:999px}
.feat-h{font-size:1.6rem;margin:6px 0 4px;color:var(--sea)}.feat-p{margin:0 0 8px}.feat-list{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px 10px}
.feat-list li{background:var(--foam);border-radius:999px;padding:0 .8em;font-size:.88rem}.feat-s{margin:8px 0 0;font-size:.86rem;color:var(--muted)}.feat-act{text-align:center}.feat-act small{display:block;margin-top:6px;font-size:.75rem;color:var(--muted)}
.ft{background:#0b4f6c;color:#cfe6ea;padding:46px 0 28px;font-size:.86rem;position:relative}.ft::before{content:"";position:absolute;left:0;right:0;top:-1px;height:26px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 40' preserveAspectRatio='none'%3E%3Cpath d='M0 20 Q150 0 300 20 T600 20 T900 20 T1200 20 V40 H0Z' fill='%23f4ecd8'/%3E%3C/svg%3E") center/100% 100% no-repeat;transform:scaleY(-1)}[data-theme=dark] .ft::before{background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 40' preserveAspectRatio='none'%3E%3Cpath d='M0 20 Q150 0 300 20 T600 20 T900 20 T1200 20 V40 H0Z' fill='%23071a24'/%3E%3C/svg%3E") center/100% 100% no-repeat}
[data-theme=dark] .ft{background:#05202c}
.ft .wave2{height:26px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 40' preserveAspectRatio='none'%3E%3Cpath d='M0 20 Q150 0 300 20 T600 20 T900 20 T1200 20 V40 H0Z' fill='%23f4ecd8'/%3E%3C/svg%3E") center/100% 100% no-repeat;transform:rotate(180deg);margin-bottom:18px}
[data-theme=dark] .ft .wave2{background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 40' preserveAspectRatio='none'%3E%3Cpath d='M0 20 Q150 0 300 20 T600 20 T900 20 T1200 20 V40 H0Z' fill='%23071a24'/%3E%3C/svg%3E") center/100% 100% no-repeat}
.ft ul{list-style:none;padding:0;margin:0 0 10px;display:flex;flex-wrap:wrap;gap:6px 16px}.ft a{color:#fff}.ft p{margin:0 0 6px}
.ft .friend-links{border-top-color:rgba(255,255,255,.25)}.ft .friend-links .label,.ft .friend-links a{color:#cfe6ea}
.notfound{text-align:center;padding:80px 0}.notfound b{display:block;font:900 5rem/1 var(--font);color:var(--sea)}
@media(max-width:960px){.lay,.hero .wrap,.feat{grid-template-columns:minmax(0,1fr)}.side{position:static}}
@media(max-width:820px){.site-nav{display:none;width:100%;order:9}.site-nav.open{display:flex;flex-direction:column}.hd .wrap{flex-wrap:wrap}.nav-btn{display:inline-block}}
@media(max-width:640px){.card{padding:4px 16px 16px}.tbl-wrap::after{content:"← 左右滑动查看完整表格 →";display:block;position:sticky;left:0;width:calc(100vw - 34px);box-sizing:border-box;text-align:center;font-size:.72rem;padding:5px 0;opacity:.75}}

.friend-links{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;border-top:1px solid var(--line);padding:18px 0;margin:24px 0 16px}
.friend-links .label{font-weight:700;font-size:.88rem;color:var(--muted);margin-right:4px}
.friend-links a{font-size:.88rem;color:var(--muted);text-decoration:none}
.friend-links a:hover{color:var(--link);text-decoration:underline}