:root{--bg:#F3FBFA;--deep:#DCEFED;--white:#fff;--soft:#E6F4F2;--ink:#12312E;--text:#1E3F3B;--muted:#4A6E6A;--light:#6F908C;--brand:#1A8A80;--bright:#2BB3A6;--dark:#0E6B63;--gold:#C9A24A;--footer:#0A3A36;--border:rgba(26,138,128,.18);--shadow:0 12px 28px rgba(10,58,54,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}.no-scroll{overflow:hidden}a{color:inherit;text-decoration:none}button{font:inherit}img{max-width:100%;display:block}h1,h2,h3,p{margin-top:0}h1{font-size:24px;line-height:1.3;color:var(--ink);margin-bottom:14px}h2{font-size:20px;line-height:1.4;color:var(--ink);margin-bottom:10px}h3{font-size:16px;line-height:1.45;color:var(--ink);margin-bottom:8px}p{margin-bottom:14px}.site-header{position:fixed;top:0;left:0;right:0;z-index:50}.top-strip{height:18px;background:var(--footer);color:#fff;font-size:12px}.top-inner,.brand-inner,.point-inner,.footer-inner,.wrap{width:min(960px,calc(100% - 32px));margin:0 auto}.top-inner{height:18px;display:flex;align-items:center;justify-content:space-between}.text-button{border:0;background:transparent;color:#fff;cursor:pointer;height:18px;padding:0 2px}.brand-bar{height:54px;background:rgba(255,255,255,.96);border-bottom:1px solid var(--border);backdrop-filter:blur(8px)}.brand-inner{height:54px;display:flex;align-items:center;justify-content:space-between}.brand-home{min-height:44px;display:flex;align-items:center}.brand-logo{height:24px;width:auto;object-fit:contain}.brand-fallback{font-size:16px;font-weight:800;color:var(--ink)}.brand-actions{display:flex;align-items:center;gap:8px}.mini-action,.menu-button{min-height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;padding:0 14px;font-size:14px;transition:.18s}.mini-action{background:linear-gradient(135deg,#2BB3A6 0%,#1A8A80 52%,#0E6B63 100%);color:#fff;box-shadow:0 6px 16px rgba(26,138,128,.18)}.menu-button{border:1px solid var(--border);background:#fff;color:var(--dark);cursor:pointer}.point-nav{height:44px;background:var(--soft);border-bottom:1px solid var(--border)}.point-inner{height:44px;display:flex;align-items:center;gap:24px}.point-link{height:34px;display:inline-flex;align-items:center;gap:8px;border-radius:17px;padding:0 12px;font-size:13px;color:var(--dark);border:1px solid transparent}.point-dot{width:10px;height:10px;border-radius:50%;border:2px solid var(--brand);background:transparent}.point-link.is-current{background:var(--dark);color:#fff;border-color:var(--bright);box-shadow:0 6px 16px rgba(26,138,128,.18)}.point-link.is-current .point-dot{background:#fff;border-color:#fff}.site-main{padding-top:116px;padding-bottom:24px}.wrap{padding:28px 0 54px}.breadcrumb{display:flex;gap:8px;align-items:center;color:var(--light);font-size:13px;margin-bottom:20px}.breadcrumb a{color:var(--dark)}.eyebrow{display:inline-block;color:var(--dark);font-weight:800;font-size:13px;margin-bottom:8px}.lead{font-size:17px;color:var(--ink)}.intro-sheet,.brand-note,.page-hero,.check-head,.status-head,.note-head,.topic-head,.feedback-head,.policy-head,.help-head,.contact-head,.faq-head{background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);border-radius:16px;padding:28px}.intro-kicker{display:flex;gap:8px;margin-bottom:12px}.intro-kicker span{font-size:12px;background:var(--soft);color:var(--dark);padding:5px 9px;border-radius:999px}.btn-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.btn-primary,.btn-secondary{min-height:42px;padding:0 16px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;font-size:14px;transition:.18s}.btn-primary{background:linear-gradient(135deg,#2BB3A6 0%,#1A8A80 52%,#0E6B63 100%);color:#fff;box-shadow:0 6px 16px rgba(26,138,128,.18)}.btn-secondary{background:#fff;color:var(--dark);border:1px solid var(--border)}.btn-primary:hover,.mini-action:hover,.point-link.is-current:hover,.mobile-bottom .is-current:hover{filter:brightness(1.05);box-shadow:0 0 0 3px rgba(43,179,166,.28),0 10px 24px rgba(14,107,99,.28)}.btn-primary:active,.mini-action:active,.point-link.is-current:active,.mobile-bottom .is-current:active{filter:brightness(1.08);box-shadow:0 0 0 4px rgba(43,179,166,.40),0 0 22px rgba(43,179,166,.55)}a:focus-visible,button:focus-visible{outline:2px solid var(--bright);outline-offset:2px}.small-link{display:inline-flex;min-height:44px;align-items:center;color:var(--dark);font-weight:700}.media-wide,.media-point,.media-app,.media-icon,.media-banner{background:var(--soft);border:1px solid var(--border);border-radius:12px;display:flex;align-items:center;justify-content:center;overflow:hidden}.media-wide{width:100%;height:176px}.media-wide.short{height:160px}.media-wide img,.media-point img,.media-app img,.media-icon img,.media-banner img{width:100%;height:100%;object-fit:contain;object-position:center}.media-point{width:240px;height:176px}.media-app{width:240px;height:320px}.media-icon{width:48px;height:48px}.media-banner{width:100%;height:200px}.feature-ribbon,.thread-board,.evidence-lane,.status-wave,.note-strip,.topic-shelf,.visual-essay,.mobile-story,.rule-split,.home-faq,.brand-note{margin-top:22px}.feature-ribbon,.evidence-lane,.status-wave,.note-strip,.visual-essay,.mobile-story{display:grid;grid-template-columns:1.1fr .9fr;gap:18px;align-items:center;background:#fff;border:1px solid var(--border);border-radius:16px;padding:22px}.thread-board,.topic-shelf,.home-faq{background:#fff;border:1px solid var(--border);border-radius:16px;padding:22px}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:14px}.thread-layout{display:grid;grid-template-columns:240px 1fr;gap:20px;align-items:center}.mini-grid,.topic-row,.faq-mini,.three-notes{display:grid;gap:12px}.mini-grid{grid-template-columns:repeat(2,1fr);margin-top:14px}.mini-grid a,.topic-row a,.reading-path a{background:var(--soft);border:1px solid var(--border);border-radius:12px;padding:14px;display:flex;flex-direction:column;gap:4px}.mini-grid span,.topic-row span,.reading-path span{color:var(--muted);font-size:13px}.topic-row{grid-template-columns:repeat(3,1fr);margin-top:14px}.visual-essay{grid-template-columns:.9fr 1.1fr}.mobile-story{grid-template-columns:280px 1fr}.app-visual{position:relative;width:240px}.app-visual .media-icon{position:absolute;right:-16px;bottom:18px;background:#fff;box-shadow:var(--shadow)}.rule-split{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.rule-split article{background:var(--deep);border:1px solid var(--border);border-radius:16px;padding:22px}.faq-mini{grid-template-columns:repeat(2,1fr)}.faq-mini article{background:var(--soft);border-radius:12px;padding:16px}.brand-note{background:var(--footer);color:#DCEFED}.brand-note h2{color:#fff}.brand-note .btn-secondary{background:transparent;color:#fff;border-color:rgba(255,255,255,.25)}.inner-page{min-height:70vh}.compact{display:grid;grid-template-columns:1fr .85fr;gap:18px;align-items:center}.focus-columns,.check-table,.feedback-grid,.help-grid,.contact-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:18px}.focus-columns article,.check-table div,.feedback-grid article,.help-grid article,.contact-list article,.visual-notes article,.policy-sections article{background:#fff;border:1px solid var(--border);border-radius:14px;padding:20px}.source-band,.compare-panel,.method-note,.status-rule,.visual-rule,.app-note,.guide-note,.topic-note,.contact-note{margin-top:18px;background:var(--deep);border:1px solid var(--border);border-radius:14px;padding:22px}.three-notes{grid-template-columns:repeat(3,1fr);margin-top:12px}.three-notes div{background:#fff;border-radius:12px;padding:14px}.reading-path{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}.reading-path h2{grid-column:1/-1}.thread-intro,.visual-head,.about-banner{display:grid;grid-template-columns:260px 1fr;gap:22px;align-items:center;background:#fff;border:1px solid var(--border);border-radius:16px;padding:22px}.thread-steps,.status-bars,.guide-steps,.visual-notes,.app-features,.policy-sections,.topic-directory-v2{display:grid;gap:14px;margin-top:18px}.thread-steps{grid-template-columns:repeat(3,1fr)}.thread-steps article,.status-bars article,.guide-steps article,.app-features article,.topic-directory-v2 article{background:#fff;border:1px solid var(--border);border-radius:14px;padding:20px}.thread-steps article>span,.guide-steps article>span{display:inline-flex;min-width:34px;height:30px;align-items:center;justify-content:center;border-radius:999px;background:var(--soft);color:var(--dark);font-weight:800}.check-head,.topic-head,.feedback-head{display:grid;grid-template-columns:1fr .9fr;gap:18px;align-items:center}.check-table{grid-template-columns:repeat(2,1fr)}.status-bars{grid-template-columns:1fr}.status-pill{display:inline-flex;border-radius:999px;padding:5px 10px;font-size:12px;font-weight:800;margin-bottom:8px}.done{background:#d9f2ed;color:var(--dark)}.working{background:#fff5d8;color:#7a5b14}.pending{background:#edf3f2;color:var(--muted)}.opinion-flag{display:inline-block;padding:8px 12px;border-radius:10px;background:#fff6dc;color:#68511c;border:1px solid rgba(201,162,74,.25)}.long-note,.about-story{margin-top:18px;background:#fff;border:1px solid var(--border);border-radius:16px;padding:26px}.long-note h2,.about-story h2{margin-top:24px}.long-note h2:first-child,.about-story h2:first-child{margin-top:0}.topic-directory-v2{grid-template-columns:repeat(2,1fr)}.topic-directory-v2 a,.feedback-grid a,.help-grid a{color:var(--dark);font-weight:800;display:inline-flex;min-height:44px;align-items:center}.visual-head{grid-template-columns:.9fr 1.1fr}.visual-notes{grid-template-columns:repeat(2,1fr)}.app-head{display:grid;grid-template-columns:280px 1fr;gap:24px;align-items:center;background:#fff;border:1px solid var(--border);border-radius:16px;padding:24px}.app-features{grid-template-columns:repeat(2,1fr)}.guide-steps{grid-template-columns:repeat(2,1fr)}.policy-sections{grid-template-columns:1fr}.help-grid{grid-template-columns:repeat(2,1fr)}.contact-list{grid-template-columns:repeat(2,1fr)}.faq-full-list{display:grid;gap:14px;margin-top:18px}.faq-full{background:#fff;border:1px solid var(--border);border-radius:14px;padding:20px}.about-banner{grid-template-columns:1fr}.about-brand-image{margin-top:18px;background:#fff;border:1px solid var(--border);border-radius:16px;padding:22px}.site-footer{background:var(--footer);color:#DCEFED;border-top:1px solid rgba(43,179,166,.28);padding:34px 0 80px;font-size:13px}.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:22px}.footer-logo,.drawer-logo{height:24px;width:auto;object-fit:contain}.footer-brand div{display:flex;flex-direction:column}.footer-brand strong{color:#fff;font-size:16px}.footer-groups{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.footer-groups h3{color:#fff;font-size:14px}.footer-groups a{display:block;color:#DCEFED;min-height:30px}.footer-note{margin-top:24px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12)}.footer-copy{color:#a9c6c2}.drawer{position:fixed;z-index:80;left:16px;top:86px;width:min(36vw,420px);height:min(70vh,680px);background:#fff;border:1px solid var(--border);border-radius:16px;box-shadow:0 28px 60px rgba(10,58,54,.22);transform:translateX(calc(-100% - 32px));visibility:hidden;pointer-events:none;transition:.2s;overflow:hidden}.drawer.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-head{height:58px;display:flex;align-items:center;justify-content:space-between;padding:0 16px;border-bottom:1px solid var(--border)}.drawer-brand{display:flex;align-items:center;gap:10px}.icon-close{width:44px;height:44px;border:0;background:transparent;color:var(--dark);font-size:26px;cursor:pointer}.drawer-scroll{height:calc(100% - 58px);overflow:auto;padding:14px}.drawer-scroll section+section{margin-top:14px}.drawer-scroll section h2{font-size:13px;color:var(--muted);margin:0 0 6px;padding:0 8px}.drawer-scroll a{display:flex;flex-direction:column;padding:10px 8px;border-radius:10px}.drawer-scroll a:hover{background:var(--soft)}.drawer-scroll b{font-size:14px;color:var(--ink)}.drawer-scroll span{font-size:12px;color:var(--muted)}.overlay{position:fixed;inset:0;background:rgba(10,58,54,.28);z-index:70;opacity:0;visibility:hidden;pointer-events:none;transition:.18s}.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.search-panel{position:fixed;z-index:90;top:72px;left:0;right:0;display:flex;justify-content:center;visibility:hidden;pointer-events:none;transform:translateY(-10px);opacity:0;transition:.18s}.search-panel.is-open{visibility:visible;pointer-events:auto;transform:translateY(0);opacity:1}.search-card{width:min(680px,calc(100% - 32px));background:#fff;border:1px solid var(--border);border-radius:0 0 16px 16px;box-shadow:0 24px 54px rgba(10,58,54,.18);padding:20px}.search-head{display:flex;align-items:center;justify-content:space-between}.search-presets{display:flex;flex-wrap:wrap;gap:8px}.search-presets a{min-height:40px;display:inline-flex;align-items:center;padding:0 12px;border-radius:10px;background:var(--soft);color:var(--dark);font-weight:700}.mobile-bottom{display:none}.mini-action,.menu-button,.btn-primary,.btn-secondary,.point-link,.mobile-bottom a{transition:filter .18s,box-shadow .18s,background .18s}.menu-button:hover,.btn-secondary:hover{box-shadow:0 0 0 3px rgba(43,179,166,.18)}@media(max-width:720px){.point-nav{display:none}.site-main{padding-top:72px;padding-bottom:62px}.wrap{width:calc(100% - 32px);padding-top:20px}.brand-actions{gap:4px}.mini-action,.menu-button{padding:0 10px}.feature-ribbon,.evidence-lane,.status-wave,.note-strip,.visual-essay,.mobile-story,.compact,.thread-intro,.check-head,.topic-head,.feedback-head,.visual-head,.app-head{grid-template-columns:1fr}.feature-ribbon .media-wide{order:-1}.thread-layout{grid-template-columns:1fr}.media-point{width:240px;max-width:100%}.mini-grid,.topic-row,.faq-mini,.rule-split,.focus-columns,.check-table,.feedback-grid,.help-grid,.contact-list,.thread-steps,.three-notes,.reading-path,.topic-directory-v2,.visual-notes,.app-features,.guide-steps,.footer-groups{grid-template-columns:1fr}.mobile-story{align-items:start}.drawer{top:78px;left:8px;width:86%;height:min(70vh,640px)}.search-panel{top:0;bottom:0;background:var(--footer);align-items:flex-start;padding-top:72px}.search-card{border-radius:16px;color:#fff;background:var(--footer);border-color:rgba(255,255,255,.16)}.search-card h2{color:#fff}.search-card p{color:#DCEFED}.search-presets a{background:rgba(255,255,255,.10);color:#fff;border:1px solid rgba(255,255,255,.14)}.search-panel .icon-close{color:#fff}.mobile-bottom{position:fixed;z-index:60;left:0;right:0;bottom:0;min-height:48px;padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-top:1px solid var(--border);box-shadow:0 -8px 24px rgba(10,58,54,.08)}.mobile-bottom a{min-height:48px;display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--muted)}.mobile-bottom a.is-current{background:var(--dark);color:#fff;box-shadow:0 6px 16px rgba(26,138,128,.18)}.site-footer{padding-bottom:78px}.intro-sheet,.brand-note,.page-hero,.check-head,.status-head,.note-head,.topic-head,.feedback-head,.policy-head,.help-head,.contact-head,.faq-head{padding:20px}.feature-ribbon,.thread-board,.evidence-lane,.status-wave,.note-strip,.topic-shelf,.visual-essay,.mobile-story,.rule-split,.home-faq{padding:18px}.about-banner{grid-template-columns:1fr}.media-banner{height:180px}}
