:root{--ink:#151816;--muted:#69716c;--line:#dfe5e1;--line-strong:#c9d2cc;--paper:#fff;--surface:#f5f8f6;--accent:#087f5b;--accent-dark:#066747;--accent-soft:#e5f5ee;--warm:#fff8e8;--warm-line:#eadfbf;--radius:8px;--shadow:0 18px 55px #1c4c371c;--shell:min(1180px,calc(100% - 40px))}*{box-sizing:border-box}html{scroll-behavior:smooth}body{color:var(--ink);background:var(--paper);letter-spacing:0;margin:0;font-family:Segoe UI,Microsoft YaHei UI,PingFang SC,system-ui,sans-serif;font-size:16px;line-height:1.65;overflow-x:hidden}body.modal-open{overflow:hidden}a{color:inherit;text-decoration:none}button{font:inherit;letter-spacing:0}:focus-visible{outline-offset:3px;outline:3px solid #087f5b47}.skip-link{z-index:200;color:#fff;background:var(--accent-dark);border-radius:6px;padding:8px 14px;position:fixed;top:8px;left:8px;transform:translateY(-150%)}.skip-link:focus{transform:translateY(0)}.section-shell{width:var(--shell);margin:0 auto}.site-header{z-index:50;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#fffffff0;border-bottom:1px solid #dfe5e1d9;position:sticky;top:0}.nav-shell{width:var(--shell);grid-template-columns:1fr auto 1fr;gap:32px;height:72px;margin:0 auto;display:grid}.brand,.nav-shell{align-items:center}.brand{gap:10px;width:max-content;display:inline-flex}.brand-mark{aspect-ratio:1;color:#fff;background:var(--ink);border-radius:8px;place-items:center;width:32px;font-size:17px;font-weight:800;display:grid}.brand-name{font-size:20px;font-weight:800}.desktop-nav{align-items:center;gap:24px;display:flex}.desktop-nav a{color:#414944;font-size:14px;font-weight:600}.desktop-nav a:hover{color:var(--accent)}.desktop-nav .external-nav-link,.mobile-menu .external-nav-link{color:#111827;white-space:nowrap;background:#f8fafc;border:1px solid #dbe1e8;border-radius:10px;align-items:center;gap:9px;min-height:42px;padding:0 14px;font-size:15px;font-weight:500;transition:border-color .16s,background .16s,box-shadow .16s;display:inline-flex}.desktop-nav .external-nav-link:hover,.mobile-menu .external-nav-link:hover{color:#111827;background:#fff;border-color:#c3ccd6;box-shadow:0 2px 8px #0f172a12}.external-nav-link>svg{flex:none;width:19px;height:19px}.external-nav-link .external-nav-arrow{width:17px;height:17px;margin-left:2px}.nav-actions{justify-content:flex-end;align-items:center;gap:10px;display:flex}.button{border-radius:var(--radius);cursor:pointer;white-space:nowrap;border:1px solid #0000;justify-content:center;align-items:center;min-height:48px;padding:0 24px;font-weight:700;transition:transform .16s,background .16s,border-color .16s;display:inline-flex}.button:hover{transform:translateY(-1px)}.button:active{transform:translateY(1px)}.button:disabled{cursor:not-allowed;opacity:.55;transform:none}.button-primary{color:#fff;background:var(--accent)}.button-primary:hover{background:var(--accent-dark)}.button-dark{color:#fff;background:var(--ink)}.button-dark:hover{background:#2a2f2c}.button-small{min-height:40px;padding:0 17px;font-size:14px}.button-full{width:100%}.button svg{width:18px;height:18px;margin-right:8px}.menu-toggle{border:1px solid var(--line);border-radius:var(--radius);cursor:pointer;background:#fff;width:42px;height:42px;padding:10px;display:none}.menu-toggle span{background:var(--ink);height:2px;margin:4px 0;display:block}.menu-toggle svg{width:20px;height:20px}.mobile-menu{border-top:1px solid var(--line);padding:8px 20px 16px}.mobile-menu a{padding:10px 0;font-weight:650;display:block}.mobile-menu .external-nav-link{width:max-content;margin:4px 0}.hero{background:linear-gradient(90deg,#e5f5eebd,#fff0 45%),#fff;align-items:center;min-height:calc(100dvh - 72px);display:flex;position:relative;overflow:hidden}.hero:after{content:"";opacity:.52;pointer-events:none;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:32px 32px;width:38%;height:100%;position:absolute;inset:0 0 auto auto;-webkit-mask-image:linear-gradient(270deg,#000,#0000);mask-image:linear-gradient(270deg,#000,#0000)}.hero-grid{z-index:1;grid-template-columns:minmax(0,1.08fr) minmax(390px,.78fr);align-items:center;gap:clamp(56px,8vw,120px);padding:56px 0;display:grid;position:relative}.eyebrow{color:var(--accent);letter-spacing:.12em;margin:0 0 20px;font-family:Consolas,SFMono-Regular,monospace;font-size:12px;font-weight:700}.hero h1{letter-spacing:0;max-width:800px;margin:0;font-size:clamp(42px,4.4vw,62px);line-height:1.08}.hero-title-line{color:var(--ink);white-space:nowrap;display:block}.hero-title-line.hero-title-accent{color:var(--accent);font-size:.9em}.hero-description{color:#4d5651;max-width:540px;margin:24px 0 0;font-size:18px}.hero-actions{align-items:center;gap:28px;margin-top:34px;display:flex}.text-link{color:var(--ink);align-items:center;gap:7px;font-weight:700;display:inline-flex}.text-link span{color:var(--accent);transition:transform .16s}.text-link:hover span{transform:translate(3px)}.hero-product-wrap{padding:18px 18px 0 0;position:relative}.hero-product-wrap:before{content:"";aspect-ratio:1;background:var(--accent-soft);border-radius:var(--radius);width:78%;position:absolute;inset:0 0 auto auto}.hero-product-card{z-index:1;border:1px solid var(--line-strong);border-radius:var(--radius);box-shadow:var(--shadow);background:#fff;padding:32px;position:relative}.product-card-top{justify-content:space-between;align-items:center;display:flex}.product-icon{aspect-ratio:1;color:#fff;background:var(--accent);border-radius:var(--radius);place-items:center;width:42px;font-size:20px;font-weight:800;display:grid}.availability-label{color:var(--accent-dark);background:var(--accent-soft);border-radius:6px;padding:5px 9px;font-size:12px;font-weight:700}.product-brand{color:var(--muted);margin:30px 0 4px;font-size:14px}.product-title-row{justify-content:space-between;align-items:center;gap:20px;display:flex}.product-title-row h2{margin:0;font-size:29px;line-height:1.2}.duration-chip{color:#454d48;background:var(--surface);border:1px solid var(--line);border-radius:6px;flex:none;padding:4px 9px;font-size:13px;font-weight:700}.hero-price{color:var(--accent);margin:22px 0;line-height:1}.hero-price span{vertical-align:18px;font-size:24px;font-weight:700}.hero-price strong{font-size:60px}.feature-list{gap:10px;margin:0 0 26px;padding:0;list-style:none;display:grid}.feature-list li{color:#414944;padding-left:26px;font-size:15px;position:relative}.feature-list li:before{content:"✓";color:var(--accent);font-weight:900;position:absolute;left:0}.product-help{text-underline-offset:3px;width:max-content;margin:14px auto 0;text-decoration:underline;display:block}.product-caption,.product-help{color:var(--muted);font-size:13px}.product-caption{z-index:2;margin-top:16px;position:relative}.product-caption span{color:var(--accent);font-family:Consolas,monospace;font-weight:700}.reveal{animation:.62s cubic-bezier(.2,.8,.2,1) both reveal}.reveal-delay{animation-delay:.1s}@keyframes reveal{0%{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}.purchase-section{background:var(--surface);padding:112px 0}.section-heading{margin-bottom:48px}.section-heading.centered{text-align:center}.section-heading h2{margin:0;font-size:clamp(36px,4vw,52px);line-height:1.12}.section-heading p{color:var(--muted);margin:12px 0 0;font-size:17px}.package-status{color:#a54835;text-align:center;min-height:28px;font-weight:700}.package-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;display:grid}.package-card{min-height:240px;color:var(--ink);text-align:left;border:2px solid var(--line);border-radius:var(--radius);cursor:pointer;background:#fff;flex-direction:column;padding:26px;transition:transform .16s,border-color .16s,background .16s,box-shadow .16s;display:flex;position:relative}.package-card:hover{border-color:var(--line-strong);transform:translateY(-2px)}.package-card[aria-checked=true]{border-color:var(--accent);background:#f0faf5;box-shadow:0 0 0 3px #087f5b14}.package-card:active{transform:translateY(1px)}.package-choice{min-height:24px;color:var(--accent);font-size:12px;font-weight:800}.package-card h3{margin:12px 0 4px;font-size:23px;line-height:1.25}.package-duration{color:var(--muted);margin:0;font-size:14px}.package-price{color:var(--accent);margin:18px 0 10px;font-size:32px;font-weight:800;line-height:1}.package-description{color:#4f5853;margin:auto 0 0;font-size:14px;line-height:1.5}.contact-panel{background:var(--warm);border:1px solid var(--warm-line);border-radius:var(--radius);grid-template-columns:minmax(0,1.2fr) minmax(330px,.8fr);gap:48px;min-height:330px;margin-top:28px;padding:42px;display:grid}.contact-kicker{color:#7f6427;font-size:13px;font-weight:800}.contact-panel h3{margin:10px 0 14px;font-size:clamp(26px,3vw,36px);line-height:1.22}.contact-panel-main>p{color:#625a48;max-width:620px;margin:0}.contact-summary{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:34px;display:grid}.contact-summary div{background:#ffffffad;border:1px solid #eadfbff2;border-radius:6px;padding:14px}.contact-summary span,.contact-summary strong{display:block}.contact-summary span{color:#7a715f;font-size:12px}.contact-summary strong{margin-top:3px;font-size:15px}.contact-panel-action{border:1px solid var(--warm-line);border-radius:var(--radius);background:#fff;padding:22px}.contact-channel{grid-template-columns:138px minmax(0,1fr);align-items:center;gap:18px;margin-bottom:16px;display:grid}.inline-qr{aspect-ratio:1;border:1px solid var(--line);border-radius:var(--radius);background:#fff;width:138px;padding:6px}.inline-qr img{-o-object-fit:contain;object-fit:contain;width:100%;height:100%;display:block}.contact-channel-copy>strong{font-size:16px;line-height:1.35;display:block}.contact-channel-copy>p:not(.service-hours){color:var(--muted);margin:6px 0 0;font-size:12px;line-height:1.45}.contact-channel-copy>p:not(.service-hours) strong{color:var(--ink)}.wechat-mark{aspect-ratio:1;color:#fff;background:var(--accent);border-radius:var(--radius);place-items:center;width:54px;font-size:13px;font-weight:800;display:grid}.contact-channel .wechat-mark{display:none}.service-hours{color:var(--muted);margin:10px 0 0;font-size:12px}.service-hours span{color:var(--ink);font-weight:700}.mobile-contact-action{display:none}.copy-row{gap:8px;margin-top:12px;display:grid}.copy-button{width:100%;min-width:0;min-height:48px;color:var(--ink);text-align:left;border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:6px;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:9px;padding:8px 12px;display:grid}.copy-button:hover{border-color:var(--accent)}.copy-button:active{transform:translateY(1px)}.copy-button span{color:var(--muted);font-size:12px}.copy-button strong{text-overflow:ellipsis;white-space:nowrap;font-size:13px;overflow:hidden}.copy-button b{color:var(--accent);font-size:12px}.service-section{padding:118px 0}.service-layout{grid-template-columns:minmax(280px,.72fr) minmax(0,1.28fr);align-items:start;gap:clamp(60px,10vw,140px);display:grid}.service-intro{position:sticky;top:110px}.service-intro h2{max-width:430px;margin:0;font-size:clamp(36px,3.2vw,44px);line-height:1.12}.service-intro p{max-width:430px;color:var(--muted);margin:20px 0 28px}.service-list{counter-reset:item}.service-item{grid-template-columns:54px 1fr;gap:26px;padding:30px 0;display:grid}.service-item+.service-item{border-top:1px solid var(--line)}.service-index{color:var(--accent);font-family:Consolas,monospace;font-size:14px;font-weight:800}.service-item h3{margin:0 0 8px;font-size:23px}.service-item p{max-width:540px;color:var(--muted);margin:0}.faq-section{background:var(--surface);padding:112px 0 126px}.faq-shell{max-width:920px}.faq-list{gap:10px;display:grid}.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden}.faq-question{width:100%;min-height:76px;color:var(--ink);text-align:left;cursor:pointer;background:0 0;border:0;grid-template-columns:minmax(0,1fr) 30px;align-items:center;gap:24px;padding:20px 24px;font-size:17px;font-weight:700;display:grid}.faq-question:hover{color:var(--accent)}.faq-symbol{aspect-ratio:1;width:26px;color:var(--accent);background:var(--accent-soft);border-radius:6px;place-items:center;font-size:19px;line-height:1;transition:transform .18s;display:grid}.faq-question[aria-expanded=true] .faq-symbol{transform:rotate(45deg)}.faq-answer{color:var(--muted);padding:0 78px 24px 24px}.faq-answer p{margin:0}.site-footer{border-top:1px solid var(--line);padding-top:76px}.footer-grid{grid-template-columns:1.4fr .8fr .8fr;gap:80px;padding-bottom:60px;display:grid}.footer-brand p{max-width:390px;color:var(--muted);margin:18px 0 0}.footer-brand .footer-boundary{font-size:13px}.footer-grid h2,.footer-grid h3{margin:2px 0 18px;font-size:14px}#cross-links a,.footer-grid>div>a,.footer-grid>div>button{width:max-content;color:var(--muted);margin:10px 0;display:block}.footer-contact:hover,.footer-grid a:hover{color:var(--accent)}.footer-contact{cursor:pointer;text-align:left;background:0 0;border:0;padding:0}.cross-link span,.cross-link strong{display:block}.cross-link strong{color:var(--ink)}.cross-link span{font-size:13px}.footer-bottom{color:#7a817d;border-top:1px solid var(--line);justify-content:space-between;padding:22px 0;font-size:13px;display:flex}.modal[hidden],.toast[hidden]{display:none}.modal{z-index:100;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.modal-backdrop{background:#0e12109e;animation:.16s both fade-in;position:absolute;inset:0}.modal-card{border:1px solid var(--line);border-radius:var(--radius);background:#fff;width:min(440px,100%);padding:30px;animation:.22s cubic-bezier(.2,.8,.2,1) both modal-in;position:relative;box-shadow:0 30px 90px #00000038}.modal-close{aspect-ratio:1;background:var(--surface);border:1px solid var(--line);cursor:pointer;border-radius:6px;place-items:center;width:38px;font-size:24px;line-height:1;display:grid;position:absolute;top:16px;right:16px}.modal-head>span{color:var(--accent);font-size:13px;font-weight:800}.modal-head h2{margin:8px 44px 4px 0;font-size:27px;line-height:1.3}.modal-head p{color:var(--muted);margin:0;font-size:14px}.modal-head p strong{color:var(--ink)}.qr-frame{aspect-ratio:1;border:1px solid var(--line);border-radius:var(--radius);background:#fff;width:min(260px,78%);margin:22px auto 10px;padding:10px}.qr-frame img{-o-object-fit:contain;object-fit:contain;width:100%;height:100%;display:block}.qr-note{color:#8a6840;text-align:center;margin:0 auto 16px;font-size:12px}.modal-copy{max-width:300px;margin:0 auto}.toast{z-index:150;color:#fff;background:var(--ink);border-radius:var(--radius);max-width:calc(100% - 32px);padding:11px 16px;font-size:14px;font-weight:700;position:fixed;bottom:24px;left:50%;transform:translate(-50%);box-shadow:0 14px 40px #0003}@keyframes fade-in{0%{opacity:0}}@keyframes modal-in{0%{opacity:0;transform:translateY(12px)scale(.98)}}.content-page{background:var(--surface);min-height:100dvh}.content-page .site-header{background:#fff}.content-main{width:min(800px,100% - 40px);margin:0 auto;padding:76px 0 110px}.content-main .back-link{color:var(--accent);margin-bottom:38px;font-weight:700;display:inline-flex}.content-main h1{margin:0 0 16px;font-size:clamp(38px,6vw,58px);line-height:1.1}.content-main .lead{color:var(--muted);margin:0 0 44px;font-size:18px}.content-block{border-top:1px solid var(--line);margin-top:34px;padding-top:28px}.content-block h2{margin:0 0 12px;font-size:22px}.content-block li,.content-block p{color:#555e59}.content-block ol,.content-block ul{padding-left:20px}.article-page{background:var(--surface);min-height:100dvh}.article-shell{width:min(820px,100% - 40px);margin:0 auto;padding:64px 0 104px}.article-shell>.back-link{color:var(--accent);margin-bottom:30px;font-weight:700;display:inline-flex}.article-footer{color:var(--muted);margin-top:48px;padding-top:20px;font-size:13px}.article-footer,.home-guide{border-top:1px solid var(--line)}.home-guide{background:var(--paper);padding:104px 0}.home-guide .content-main{padding:0}.home-guide-title{margin:0 0 34px;font-size:clamp(34px,4vw,46px);line-height:1.15}.prose-content{color:#343b37}.prose-content h1{color:var(--ink);margin:0 0 22px;font-size:clamp(38px,6vw,56px);line-height:1.12}.prose-content h2{color:var(--ink);border-top:1px solid var(--line);margin:42px 0 14px;padding-top:30px;font-size:28px;line-height:1.25}.prose-content h3{color:var(--ink);margin:28px 0 10px;font-size:20px;line-height:1.35}.prose-content li,.prose-content p{color:#4d5651;line-height:1.85}.prose-content ol,.prose-content ul{margin:12px 0 22px;padding-left:24px}.prose-content a{color:var(--accent-dark);text-underline-offset:3px;font-weight:700;text-decoration:underline}.prose-content blockquote{color:#4d5651;background:var(--warm);border-left:3px solid #c6a75c;margin:24px 0;padding:16px 20px}.prose-content hr{border:0;border-top:1px solid var(--line);margin:42px 0}.article-link-list{gap:18px;list-style:none;display:grid;padding:0!important}.article-link-list li{border-bottom:1px solid var(--line);padding-bottom:18px}.article-link-list a{color:var(--accent-dark);font-weight:700}.article-link-list p{margin:5px 0 0}.modal-backdrop{cursor:default;border:0;padding:0}.faq-symbol{padding:5px}@media (width<=920px){.desktop-nav{display:none}.nav-shell{grid-template-columns:1fr auto}.menu-toggle{display:block}.button-small{display:inline-flex}.hero{min-height:auto}.hero-grid{grid-template-columns:1fr;gap:42px;padding:72px 0 82px}.hero-copy{max-width:700px}.hero-product-wrap{width:min(560px,100%)}.package-grid{grid-template-columns:1fr}.package-card{min-height:190px}.contact-panel{grid-template-columns:1fr;gap:28px}.service-layout{grid-template-columns:1fr;gap:34px}.service-intro{position:static}.footer-grid{grid-template-columns:1.2fr .8fr .8fr;gap:36px}}@media (width<=680px){:root{--shell:calc(100% - 32px)}.nav-shell{gap:10px;height:64px}.brand-name{font-size:18px}.brand-mark{width:30px}.button-small{min-height:38px;padding:0 12px;font-size:12px}.menu-toggle{width:38px;height:38px}.hero:after{opacity:.22;width:100%}.hero-grid{gap:32px;padding:52px 0 64px}.hero h1{font-size:clamp(34px,9.8vw,44px)}.hero-description{font-size:16px}.hero-actions{flex-direction:column;align-items:stretch;gap:16px;margin-top:28px}.hero-actions .text-link{justify-content:center}.hero-product-wrap{order:2;padding:10px 10px 0 0}.hero-product-card{padding:24px}.product-title-row h2{font-size:25px}.hero-price strong{font-size:52px}.faq-section,.home-guide,.purchase-section{padding:78px 0}.service-section{padding:82px 0}.section-heading{margin-bottom:34px}.section-heading h2{font-size:36px}.package-card{min-height:178px;padding:22px}.contact-panel{min-height:auto;padding:22px}.contact-summary{grid-template-columns:1fr 1fr}.contact-summary div:last-child{grid-column:1/-1}.contact-panel-action{padding:18px}.contact-channel{margin-bottom:16px;display:block}.inline-qr{display:none}.contact-channel .wechat-mark{margin-bottom:12px;display:grid}.contact-channel-copy>strong{font-size:15px}.service-hours{margin-top:8px}.mobile-contact-action{display:inline-flex}.service-item{grid-template-columns:40px 1fr;gap:16px;padding:24px 0}.faq-question{min-height:70px;padding:18px;font-size:16px}.faq-answer{padding:0 58px 20px 18px}.footer-grid{grid-template-columns:1fr;gap:34px}.footer-bottom{gap:16px}.modal{align-items:end;padding:10px}.modal-card{padding:26px 20px 20px}.article-shell{width:min(100% - 32px,820px);padding:44px 0 76px}.prose-content h1{font-size:34px}.prose-content h2{font-size:24px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:after,:before{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@media (prefers-reduced-transparency:reduce){.site-header{-webkit-backdrop-filter:none;backdrop-filter:none;background:#fff}}