:root{--navy:#10283d;--navy2:#183b50;--ink:#132b3b;--muted:#647681;--line:#dce6e4;--paper:#f6f9f8;--soft:#edf4f1;--white:#fff;--orange:#d76b3b;--orange2:#ed875a;--green:#4d9587;--amber:#efc56e;--shadow:0 18px 44px rgba(16,40,61,.1)}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth;background:#e6eeed}
body{margin:0;overflow-x:hidden;color:var(--ink);background:#e6eeed;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none;-webkit-tap-highlight-color:transparent;touch-action:manipulation}
.app{width:100%;max-width:560px;min-height:100vh;margin:0 auto;background:var(--white);box-shadow:0 0 54px rgba(16,40,61,.12);overflow:hidden}
.topbar{position:sticky;z-index:20;top:0;display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:66px;padding:calc(10px + env(safe-area-inset-top)) 18px 10px;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
.brand{display:flex;align-items:center;gap:10px;min-width:0;min-height:44px}
.brand-mark{display:grid;flex:0 0 38px;width:38px;height:38px;place-items:center;border:1px solid #dce9df;border-radius:50%;background:#fff url("/assets/yanquan-logo.webp") center/34px 34px no-repeat;box-shadow:0 4px 12px rgba(24,111,64,.12);color:transparent;font-size:0;letter-spacing:0;overflow:hidden}
.brand strong,.brand small{display:block;white-space:nowrap}.brand strong{font-size:14px;line-height:1.2}.brand small{margin-top:4px;color:#89989f;font-size:9px;font-weight:700;letter-spacing:.08em}
.top-action{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 14px;border:1px solid var(--navy);border-radius:999px;color:var(--navy);font-size:12px;font-weight:800;white-space:nowrap}
.home-hero,.page-hero{position:relative;overflow:hidden;background:linear-gradient(145deg,#112b40 0%,#173d4f 68%,#286252 140%);color:#fff}
.home-hero{padding:43px 20px 28px}.home-hero:after,.page-hero:after{position:absolute;right:-70px;top:-68px;width:200px;height:200px;border:1px solid rgba(255,255,255,.12);border-radius:50%;content:"";box-shadow:0 0 0 32px rgba(255,255,255,.035),0 0 0 68px rgba(255,255,255,.025)}
.eyebrow{position:relative;z-index:1;margin:0;color:var(--amber);font:800 10px/1.4 ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.15em}
.home-hero h1,.page-hero h1{position:relative;z-index:1;margin:13px 0 15px;letter-spacing:-.055em}.home-hero h1{font-size:38px;line-height:1.16}.home-hero h1 em,.page-hero h1 em{color:var(--orange2);font-style:normal}
.lead{position:relative;z-index:1;margin:0;color:#c9d6d8;font-size:15px;line-height:1.8}
.hero-note{position:relative;z-index:1;margin-top:25px;padding:17px 18px;border:1px solid rgba(255,255,255,.15);border-radius:16px;background:rgba(255,255,255,.075)}
.hero-note span{display:block;margin-bottom:6px;color:var(--amber);font-size:11px;font-weight:800}.hero-note p{margin:0;color:#d7e1e2;font-size:13px;line-height:1.65}
.menu-section{padding:31px 18px 35px}.menu-section.tint{background:var(--paper)}
.section-title{display:flex;align-items:flex-start;gap:13px;margin-bottom:17px}.section-title>span{display:grid;width:35px;height:35px;place-items:center;border-radius:11px;background:var(--orange);color:#fff;font:800 11px ui-monospace,monospace}.section-title small{display:block;margin:0 0 3px;color:#8a999e;font:800 9px ui-monospace,monospace;letter-spacing:.13em}.section-title h2{margin:0;font-size:25px;line-height:1.2;letter-spacing:-.04em}
.menu-list{overflow:hidden;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:0 10px 28px rgba(16,40,61,.055)}
.menu-list>a{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:72px;padding:13px 15px;border-bottom:1px solid var(--line)}.menu-list>a:last-child{border-bottom:0}.menu-list>a:active{background:var(--soft)}
.menu-list span{min-width:0}.menu-list b,.menu-list small{display:block}.menu-list b{font-size:15px;line-height:1.35}.menu-list small{margin-top:5px;overflow:hidden;color:var(--muted);font-size:11px;line-height:1.35;text-overflow:ellipsis;white-space:nowrap}.menu-list i{display:grid;flex:0 0 31px;width:31px;height:31px;place-items:center;border-radius:50%;background:var(--soft);color:var(--green);font-size:14px;font-style:normal;font-weight:900}
.cta-band{padding:34px 20px calc(35px + env(safe-area-inset-bottom));background:var(--navy);color:#fff}.cta-band small{color:var(--amber);font-size:11px;font-weight:800}.cta-band h2{margin:9px 0 21px;font-size:28px;line-height:1.28;letter-spacing:-.045em}
.button-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 15px;border-radius:13px;font-size:14px;font-weight:900;text-align:center}.button.primary{background:var(--orange);color:#fff}.button.secondary{border:1px solid var(--navy);background:#fff;color:var(--navy)}.button.ghost-light{border:1px solid rgba(255,255,255,.34);background:transparent;color:#fff}.button.full{width:100%}
.footer{padding:25px 19px calc(32px + env(safe-area-inset-bottom));background:#0b1e2d;color:#aebfc3;font-size:12px;line-height:1.65}.footer strong{display:block;color:#fff;font-size:13px}.footer p{margin:5px 0 7px}.footer a{display:inline-flex;align-items:center;min-height:44px;color:#fff;text-decoration:underline;text-underline-offset:4px}
.crumbs{display:flex;align-items:center;gap:7px;padding:5px 18px;background:var(--paper);border-bottom:1px solid var(--line);color:#72848c;font-size:11px}.crumbs a{display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;color:var(--navy);font-weight:800}.crumbs i{font-style:normal;color:#a8b3b5}
.page-hero{padding:34px 20px 30px}.page-hero .tag{position:relative;z-index:1;display:inline-flex;align-items:center;min-height:27px;padding:0 10px;border-radius:999px;background:rgba(239,197,110,.13);color:var(--amber);font-size:10px;font-weight:900;letter-spacing:.07em}.page-hero h1{font-size:34px;line-height:1.18}.page-hero .lead{font-size:14px}.hero-actions{position:relative;z-index:1;display:grid;grid-template-columns:1.25fr .75fr;gap:9px;margin-top:22px}
.content-section{padding:30px 18px}.content-section.tint{background:var(--paper)}.content-section h2{margin:0 0 9px;font-size:25px;line-height:1.28;letter-spacing:-.04em}.section-lead{margin:0 0 19px;color:var(--muted);font-size:14px;line-height:1.75}
.kicker{display:block;margin-bottom:7px;color:var(--orange);font:800 10px ui-monospace,monospace;letter-spacing:.13em}
.card-grid{display:grid;gap:11px}.info-card{padding:18px;border:1px solid var(--line);border-radius:16px;background:#fff}.info-card .num{display:grid;width:32px;height:32px;margin-bottom:12px;place-items:center;border-radius:10px;background:var(--soft);color:var(--green);font:900 11px ui-monospace,monospace}.info-card h3{margin:0 0 7px;font-size:17px;line-height:1.4}.info-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.72}.info-card a.inline{display:inline-flex;align-items:center;min-height:44px;margin-top:7px;color:var(--orange);font-size:12px;font-weight:800}
.quick-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.quick-card{min-width:0;padding:16px;border:1px solid var(--line);border-radius:15px;background:#fff}.quick-card b{display:block;margin-bottom:6px;font-size:14px;line-height:1.4}.quick-card p{margin:0;color:var(--muted);font-size:11px;line-height:1.55}
.checklist{margin:0;padding:0;list-style:none}.checklist li{position:relative;margin-top:10px;padding:14px 14px 14px 43px;border:1px solid var(--line);border-radius:14px;background:#fff;color:#405661;font-size:13px;line-height:1.65}.checklist li:before{position:absolute;left:14px;top:16px;display:grid;width:21px;height:21px;place-items:center;border-radius:50%;background:var(--green);color:#fff;content:"✓";font-size:11px;font-weight:900}
.steps{counter-reset:step;margin:0;padding:0;list-style:none}.steps li{position:relative;padding:0 0 23px 48px}.steps li:last-child{padding-bottom:0}.steps li:before{position:absolute;left:0;top:0;display:grid;width:32px;height:32px;place-items:center;border-radius:10px;background:var(--navy);color:#fff;counter-increment:step;content:counter(step,decimal-leading-zero);font:800 10px ui-monospace,monospace}.steps li:after{position:absolute;left:15px;top:37px;bottom:5px;width:1px;background:var(--line);content:""}.steps li:last-child:after{display:none}.steps b{display:block;margin-bottom:5px;font-size:15px}.steps p{margin:0;color:var(--muted);font-size:13px;line-height:1.65}
.callout{padding:19px;border-radius:17px;background:var(--navy);color:#fff}.callout strong{display:block;margin-bottom:7px;color:var(--amber);font-size:13px}.callout p{margin:0;color:#c8d6d7;font-size:13px;line-height:1.7}.callout a{display:inline-flex;align-items:center;min-height:44px;margin-top:7px;color:#fff;font-size:12px;font-weight:800;text-decoration:underline;text-underline-offset:4px}
.price-answer{margin-top:18px;padding:20px;border:1px solid #f0cdbd;border-radius:17px;background:linear-gradient(145deg,#fff8f3,#fff2e9)}.price-answer>span{display:inline-flex;align-items:center;min-height:25px;padding:0 9px;border-radius:999px;background:var(--orange);color:#fff;font:800 9px ui-monospace,monospace;letter-spacing:.1em}.price-answer h2{margin:11px 0 9px;font-size:22px;line-height:1.35}.price-answer strong{display:block;margin-bottom:8px;color:#a54826;font-size:15px;line-height:1.6}.price-answer p{margin:0;color:#6c554b;font-size:13px;line-height:1.75}.price-answer .price-note{margin-top:10px;padding-top:10px;border-top:1px dashed #e2bca9;color:#85685b;font-size:11px}
.link-list{overflow:hidden;border:1px solid var(--line);border-radius:17px;background:#fff}.link-list>a{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:68px;padding:13px 15px;border-bottom:1px solid var(--line)}.link-list>a:last-child{border:0}.link-list b,.link-list small{display:block}.link-list b{font-size:14px;line-height:1.4}.link-list small{margin-top:4px;color:var(--muted);font-size:11px;line-height:1.45}.link-list i{flex:0 0 auto;color:var(--orange);font-style:normal;font-weight:900}
.article-list{display:grid;gap:11px}.article-card{display:block;padding:17px;border:1px solid var(--line);border-radius:16px;background:#fff}.article-card .meta{display:flex;align-items:center;justify-content:space-between;gap:9px;margin-bottom:8px;color:#849499;font-size:10px}.article-card .meta span:first-child{color:var(--orange);font-weight:800}.article-card h3{margin:0 0 8px;font-size:16px;line-height:1.48}.article-card p{display:-webkit-box;overflow:hidden;margin:0;color:var(--muted);font-size:12px;line-height:1.65;-webkit-line-clamp:2;-webkit-box-orient:vertical}.article-card .more{display:inline-flex;align-items:center;min-height:40px;margin-top:5px;color:var(--green);font-size:11px;font-weight:900}
.faq{display:grid;gap:9px}.faq details{border:1px solid var(--line);border-radius:15px;background:#fff}.faq summary{position:relative;display:flex;align-items:center;min-height:57px;padding:13px 45px 13px 15px;cursor:pointer;font-size:14px;font-weight:800;line-height:1.45;list-style:none}.faq summary::-webkit-details-marker{display:none}.faq summary:after{position:absolute;right:15px;content:"＋";color:var(--orange);font-size:20px}.faq details[open] summary:after{content:"−"}.faq details p{margin:0;padding:0 15px 16px;color:var(--muted);font-size:13px;line-height:1.75}
.profile{display:grid;gap:11px}.profile-row{padding:16px;border:1px solid var(--line);border-radius:15px;background:#fff}.profile-row small{display:block;margin-bottom:5px;color:#839398;font-size:10px;font-weight:800}.profile-row strong,.profile-row a{display:block;font-size:14px;line-height:1.55;word-break:break-word}.profile-row a{display:flex;align-items:center;min-height:44px;color:var(--orange);font-weight:800}
.boundary{padding:16px;border-left:3px solid var(--orange);border-radius:0 13px 13px 0;background:#fff5ef;color:#6c4d40;font-size:12px;line-height:1.7}.boundary strong{display:block;margin-bottom:4px;color:#51382e}
.mini-nav{padding:27px 18px;background:var(--soft)}.mini-nav>small{display:block;margin-bottom:12px;color:#7c8d92;font-size:10px;font-weight:800;letter-spacing:.1em}.mini-nav-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.mini-nav-grid a{display:flex;align-items:center;justify-content:center;min-height:48px;padding:7px;border:1px solid var(--line);border-radius:12px;background:#fff;font-size:11px;font-weight:800;text-align:center}
@media(max-width:350px){.topbar{padding-left:14px;padding-right:14px}.brand small{display:none}.home-hero h1{font-size:34px}.page-hero h1{font-size:31px}.menu-section,.content-section{padding-left:14px;padding-right:14px}.button-row,.hero-actions{grid-template-columns:1fr}.quick-grid{grid-template-columns:1fr}.menu-list small{white-space:normal}.mini-nav-grid{grid-template-columns:1fr 1fr}}
@media(min-width:561px){.app{min-height:100vh}}