:root{--bg:#F7F4EE;--panel:#fff;--soft:#F0EAF4;--night:#30243D;--ink:#2C2535;--text:#4A4350;--muted:#716A77;--purple:#704C90;--gold:#D6B36B;--line:#E6DFE9}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.75 system-ui,-apple-system,"Microsoft YaHei",sans-serif;overflow-x:hidden}a{color:var(--purple);text-decoration:none}a:hover{text-decoration:underline}a:focus-visible,button:focus-visible{outline:3px solid var(--gold);outline-offset:3px}img{max-width:100%;height:auto;object-fit:contain;object-position:center}.wrap{max-width:1180px;margin:0 auto;padding-inline:28px;min-width:0}.site-head{background:white;border-bottom:1px solid var(--line)}.topline{min-height:64px;display:flex;align-items:center;gap:20px}.brand{display:inline-flex;align-items:center;gap:10px;white-space:nowrap;font-weight:800;color:var(--night);font-size:21px}.brand img{height:31px;width:auto;max-width:100px}.primary{display:flex;align-items:center;gap:23px;margin-inline:auto}.primary a,.topic a{font-size:15px;color:var(--text);white-space:nowrap}.primary a.current,.topic a.current{color:var(--purple);border-bottom:2px solid var(--purple);font-weight:700}.head-actions{display:flex;gap:12px;align-items:center}.nav-btn,.mobile-trigger{border:1px solid var(--line);background:white;color:var(--night);padding:9px 14px;min-height:44px;border-radius:9px;font:inherit;cursor:pointer}.topic-bar{background:var(--soft);border-top:1px solid var(--line)}.topic{display:flex;gap:34px;align-items:center;min-height:46px;overflow-x:auto;scrollbar-width:thin}.menu-panel[hidden]{display:none!important;visibility:hidden;pointer-events:none}.menu-panel{background:#fff;border-top:1px solid var(--line);box-shadow:0 10px 22px #30243d0b;padding-block:22px}.menu-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.menu-group{min-width:0}.menu-group h2{font-size:15px;color:var(--purple);margin:0 0 10px}.menu-group a{display:block;padding:7px 0;color:var(--ink);font-size:15px;min-height:44px}.menu-group small{display:block;color:var(--muted);font-size:12px;line-height:1.55}.mobile-trigger,.mobile-top{display:none}.main{padding-block:34px 52px;min-height:45vh}.crumb{font-size:14px;color:var(--muted);margin-bottom:16px}.crumb a{color:var(--muted)}h1,h2,h3{color:var(--ink);line-height:1.35;letter-spacing:.01em}h1{font-size:32px;margin:0 0 16px}h2{font-size:24px;margin:0 0 16px}h3{font-size:19px;margin:0 0 11px}p{margin:0 0 15px}.lede{font-size:17px;max-width:810px;color:var(--text);line-height:1.85}.eyebrow{color:var(--purple);font-weight:700;font-size:13px;letter-spacing:.14em;margin-bottom:12px}.hero-intro{max-width:820px}.hero-intro h1{max-width:780px}.hero-cover{margin:26px 0 0;background:var(--soft);text-align:center;border-radius:12px;padding:12px}.hero-cover img{max-height:310px;width:100%;height:auto}.actions,.tag-links{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}.action,.tag-links a{border-radius:9px;padding:10px 16px;background:var(--night);color:white;min-height:44px;display:inline-flex;align-items:center}.action.secondary{background:var(--soft);color:var(--purple)}.tag-links a{background:var(--soft);color:var(--purple)}.section{margin-top:58px}.section-heading{display:flex;justify-content:space-between;align-items:baseline;gap:16px;margin-bottom:18px}.section-heading span{color:var(--muted);font-size:14px}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.cards.two{grid-template-columns:repeat(2,minmax(0,1fr))}.card{min-width:0;background:#fff;border:1px solid var(--line);padding:22px;border-radius:12px}.card h3{margin-top:0}.number{color:#99793B;font-size:13px;font-weight:800;letter-spacing:.12em}.split{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:28px;align-items:center}.split.reverse{grid-template-columns:minmax(0,1fr) minmax(0,1.5fr)}.illustration{margin:0;min-width:0;text-align:center;background:var(--soft);padding:12px;border-radius:12px}.illustration img{display:block;width:auto;height:auto;max-width:100%;max-height:220px;margin:auto}.illustration.wide img{max-height:250px}.illustration.phone{max-width:290px;margin-inline:auto}.illustration.phone img{max-height:380px}.illustration.badge{background:transparent;padding:0;display:inline-block}.illustration.badge img{max-height:56px;max-width:56px}.dark{background:var(--night);color:#fff;padding:28px;border-radius:12px}.dark h2,.dark h3{color:#fff}.dark a{color:#f8e8c0}.article-layout{display:grid;grid-template-columns:minmax(0,820px) minmax(0,240px);gap:38px;align-items:start}.article{min-width:0}.article section{margin-top:35px}.article section h2{border-left:3px solid var(--gold);padding-left:14px}.article p{max-width:800px}.side-note{padding:18px;border-radius:12px;background:var(--soft);font-size:14px}.related{margin-top:44px;padding-top:23px;border-top:1px solid var(--line)}.related a{display:inline-block;margin:0 12px 8px 0}.footer{background:#fff;border-top:1px solid var(--line);padding:34px 0 26px}.footer-cols{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}.footer h2{font-size:16px}.footer a{display:block;color:var(--text);font-size:14px;padding:3px 0}.footnote{border-top:1px solid var(--line);margin-top:22px;padding-top:18px;font-size:13px;color:var(--muted)}.bottom-nav{display:none}.faq-group{margin-top:32px}.qa{padding:20px 0;border-bottom:1px solid var(--line)}.qa h3{margin-bottom:9px}.steps{counter-reset:step}.steps .card{position:relative}.steps .card:before{counter-increment:step;content:counter(step,decimal-leading-zero);display:block;color:#99793B;font-weight:bold}.inline-index{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}.inline-index a{display:block;min-width:0;border:1px solid var(--line);background:#fff;border-radius:12px;padding:18px}.inline-index strong{display:block;color:var(--ink);font-size:18px}.inline-index span{display:block;font-size:14px;color:var(--muted)}.mini-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.mini-list>div{padding:16px;border-top:2px solid var(--gold)}table{width:100%;border-collapse:collapse;background:white}th,td{border:1px solid var(--line);text-align:left;padding:11px;vertical-align:top;font-size:15px}th{background:var(--soft)}
@media(max-width:1050px){.wrap{padding-inline:22px}.primary{gap:12px}.primary a{font-size:14px}.menu-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.article-layout{grid-template-columns:minmax(0,1fr) 210px;gap:24px}.inline-index{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:800px){.primary,.topic-bar,.desktop-all{display:none}.mobile-trigger,.mobile-top{display:inline-flex}.topline{min-height:60px;justify-content:space-between}.head-actions{margin-left:auto}.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.split,.split.reverse{grid-template-columns:minmax(0,1fr)}.article-layout{display:block}.side-note{margin-top:22px}.footer-cols{grid-template-columns:repeat(2,minmax(0,1fr))}.bottom-nav{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));position:fixed;bottom:0;left:0;right:0;z-index:10;background:#fff;border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}.bottom-nav a{text-align:center;color:var(--text);font-size:13px;min-height:56px;display:flex;justify-content:center;align-items:center}.bottom-nav a.current{color:var(--purple);font-weight:800;background:var(--soft)}.footer{padding-bottom:calc(92px + env(safe-area-inset-bottom))}}
@media(max-width:540px){.wrap{padding-inline:16px}.main{padding-top:23px}.section{margin-top:36px}.cards,.cards.two,.inline-index,.mini-list{grid-template-columns:minmax(0,1fr)}.card{padding:17px}h1{font-size:27px}h2{font-size:21px}.lede{font-size:16px}.illustration img{max-height:185px}.hero-cover img{max-height:240px}.illustration.phone img{max-height:300px}.illustration.wide img{max-height:220px}.menu-grid{grid-template-columns:minmax(0,1fr);gap:14px}.menu-group a{padding:8px 0}.dark{padding:20px}.head-actions{gap:6px}.brand{font-size:19px}.brand img{max-width:76px}.footer-cols{gap:12px}.footer h2{font-size:15px}th,td{padding:8px;font-size:14px}}