.saiwei-page {--blue-950:#0B0D10;--blue-900:#0D0D0D;--blue-850:#0D0D0D;--blue-800:#272727;--blue-700:#C7FF2E;--blue-600:#D7FF66;--blue-300:#C7FF2E;--blue-100:#F2FFDE; --cream:#FFFFFF;--cream-2:#F4F6F8;--cream-3:#E5E7EB; --silver-50:#FFFFFF;--silver-100:#F4F6F8;--silver-200:#E5E7EB;--silver-300:#DBDBDB;--silver-400:#9F9F9F;--silver-500:#505050;--silver-600:#555555;--silver-700:#424242; --ink:#0D0D0D;--muted:#505050;--line:rgba(17,24,39,.10);--line-soft:rgba(17,24,39,.065); --shadow:0 24px 70px rgba(17,24,39,.08);--shadow-sm:0 12px 34px rgba(17,24,39,.055); --content:min(calc(100% - 36px),1350px); width:100%;overflow:hidden;background:var(--cream);color:var(--ink); font-family:"Outfit",Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;line-height:1.62;-webkit-font-smoothing:antialiased}

.saiwei-page button {font:inherit}

.saiwei-page img {display:block;max-width:100%}

.saiwei-page .kicker::before {content:"";width:30px;height:2px;border-radius:999px;background:#C7FF2E}

.saiwei-page .display {margin:0;font-size:clamp(2.4rem,6.5vw,5rem);line-height:.9;letter-spacing:-.063em;font-weight:950}

.saiwei-page .section-title {margin:0;font-size:clamp(2.05rem,3.8vw,4.3rem);line-height:.97;letter-spacing:-.046em;font-weight:930}

.saiwei-page .section-copy {margin:18px 0 0;max-width:760px;color:var(--muted);font-size:1rem}

.saiwei-page .btn {min-height:50px;display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:13px 21px;border:1px solid transparent;border-radius:999px;font-size:.76rem;font-weight:900;letter-spacing:.085em;text-transform:uppercase;transition:.2s ease;cursor:pointer}

.saiwei-page .btn-outline {border-color:var(--silver-300);background:rgba(255,255,255,.42);color:var(--blue-900)}

.saiwei-page .btn-cream {background:var(--cream);color:var(--blue-900);border-color:rgba(255,255,255,.36)}

.saiwei-page .text-link {display:inline-flex;align-items:center;gap:8px;margin-top:14px;color:#2563EB;font-size:.74rem;font-weight:900;letter-spacing:.035em;text-transform:uppercase}

.saiwei-page .text-link::after {content:"→"}

.saiwei-page .header-inner {width:var(--content);min-height:76px;margin:auto;display:grid;grid-template-columns:auto 1fr auto;gap:24px;align-items:center}

.saiwei-page .brand {display:flex;align-items:center;gap:11px;color:var(--blue-900);font-size:.94rem;font-weight:950;letter-spacing:.07em;text-transform:uppercase}

.saiwei-page .brand-mark {width:34px;height:34px;display:grid;place-items:center;border-radius:12px;background:var(--blue-700);color:#0B0D10}

.saiwei-page .desktop-nav {display:flex;justify-content:center;gap:22px}

.saiwei-page .desktop-nav a {font-size:.79rem;font-weight:760;color:#424242}

.saiwei-page .menu-btn {display:none;width:46px;height:46px;border:1px solid var(--silver-300);border-radius:14px;background:var(--cream);color:var(--blue-900);cursor:pointer}

.saiwei-page .mobile-menu {position:absolute;top:76px;left:18px;right:18px;padding:10px;border:1px solid var(--silver-300);border-radius:18px;background:var(--cream);box-shadow:var(--shadow);overflow:hidden}

.saiwei-page .breadcrumb {width:var(--content);margin:auto;min-height:48px;display:flex;align-items:center;gap:9px;font-size:.72rem;color:var(--muted)}

.saiwei-page .breadcrumb a:hover {color:#2563EB}

.saiwei-page .hero {padding:50px 0 76px;background:radial-gradient(circle at 82% 10%,rgba(199,255,46,.1360),transparent 28%),linear-gradient(180deg,var(--cream),var(--cream-2))}

.saiwei-page .hero-grid {width:var(--content);margin:auto;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(430px,.95fr);gap:48px;align-items:center}

.saiwei-page .hero-copy {padding:52px 0}

.saiwei-page .hero h1 {max-width:800px;color:var(--blue-950)}

.saiwei-page .hero-lead {max-width:730px;margin:28px 0 0;color:#555555;font-size:clamp(1.05rem,1.5vw,1.23rem);line-height:1.7}

.saiwei-page .hero-actions {display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}

.saiwei-page .faq-map {padding:28px;border:1px solid var(--line);border-radius:32px;background:linear-gradient(145deg,#fff,var(--silver-100));box-shadow:var(--shadow);overflow:hidden}

.saiwei-page .faq-map-head {display:flex;justify-content:space-between;gap:16px;align-items:center;padding-bottom:20px;border-bottom:1px solid var(--line)}

.saiwei-page .faq-map-head strong {font-size:.76rem;letter-spacing:.11em;text-transform:uppercase;color:var(--blue-900)}

.saiwei-page .map-pill {padding:8px 11px;border-radius:999px;background:var(--blue-100);color:#0B0D10;font-size:.62rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}

.saiwei-page .topic-cloud {display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:22px}

.saiwei-page .topic-chip {padding:17px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.7)}

.saiwei-page .topic-chip span {display:block;color:var(--silver-600);font-size:.62rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}

.saiwei-page .topic-chip strong {display:block;margin-top:8px;color:var(--blue-950);font-size:.87rem}

.saiwei-page .faq-map-note {margin-top:18px;padding:16px 17px;border-radius:18px;background:var(--blue-900);color:rgba(255,255,255,.82);font-size:.81rem}

.saiwei-page .faq-map-note b {color:var(--blue-300)}

.saiwei-page .quick {padding:80px 0;background:var(--cream)}

.saiwei-page .quick-card {padding:30px 34px;border:1px solid var(--line);border-radius:28px;background:#fff;box-shadow:var(--shadow-sm);display:grid;grid-template-columns:220px 1fr;gap:28px}

.saiwei-page .quick-card p {margin:0;color:#555555;font-size:1.04rem;line-height:1.72}

.saiwei-page .section-nav-wrap {padding:0 0 34px;background:var(--cream)}

.saiwei-page .section-nav {display:flex;flex-wrap:wrap;gap:9px;padding:14px;border:1px solid var(--line);border-radius:22px;background:rgba(255,255,255,.78);box-shadow:var(--shadow-sm)}

.saiwei-page .section-nav a {padding:9px 13px;border-radius:999px;background:var(--silver-50);color:#555555;font-size:.69rem;font-weight:850}

.saiwei-page .section-nav a:hover {background:var(--blue-100);color:#2563EB}

.saiwei-page .faq-section {padding:90px 0;border-top:1px solid var(--line-soft)}

.saiwei-page .faq-section.alt {background:var(--cream-2)}

.saiwei-page .faq-group-layout {display:grid;grid-template-columns:300px 1fr;gap:46px;align-items:start}

.saiwei-page .faq-group-intro {position:sticky;top:24px}

.saiwei-page .faq-group-intro .group-no {display:grid;place-items:center;width:48px;height:48px;border-radius:16px;background:var(--blue-100);color:#0B0D10;font-size:.72rem;font-weight:950}

.saiwei-page .faq-group-intro h2 {margin:20px 0 0;color:var(--blue-950);font-size:clamp(2rem,3.4vw,3.3rem);line-height:1;letter-spacing:-.045em}

.saiwei-page .faq-group-intro p {margin:14px 0 0;color:var(--muted);font-size:.86rem}

.saiwei-page .faq-list {display:grid;gap:13px}

.saiwei-page details {scroll-margin-top:22px;border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:0 8px 25px rgba(17,24,39,.04);overflow:hidden}

.saiwei-page .alt details {background:rgba(255,255,255,.86)}

.saiwei-page summary {position:relative;list-style:none;cursor:pointer;padding:21px 58px 21px 22px;color:var(--blue-950);font-weight:860}

.saiwei-page summary::-webkit-details-marker {display:none}

.saiwei-page summary::after {content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);width:28px;height:28px;display:grid;place-items:center;border-radius:50%;background:var(--silver-100);color:#0B0D10;font-size:1.08rem}

.saiwei-page details[open] summary::after {content:"–"}

.saiwei-page .answer {padding:0 22px 22px;color:#636363;font-size:.88rem}

.saiwei-page .answer p {margin:0}

.saiwei-page .answer p+p {margin-top:10px}

.saiwei-page .answer-links {display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}

.saiwei-page .answer-links a {padding:8px 11px;border-radius:999px;background:var(--blue-100);color:#2563EB;font-size:.68rem;font-weight:850}

.saiwei-page .pending-note {margin-top:12px;padding:12px 13px;border-radius:14px;background:var(--cream-2);border:1px solid var(--line);color:#6D6170;font-size:.76rem}

.saiwei-page .pending-note strong {color:var(--blue-900)}

.saiwei-page .material-route {display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:18px}

.saiwei-page .route-card {padding:16px;border-radius:16px;background:var(--blue-100);color:var(--blue-900)}

.saiwei-page .route-card.silver {background:var(--silver-100)}

.saiwei-page .route-card span {display:block;color:var(--silver-600);font-size:.62rem;font-weight:900;text-transform:uppercase;letter-spacing:.08em}

.saiwei-page .route-card strong {display:block;margin-top:6px;font-size:.82rem}

.saiwei-page .still {padding:96px 0;background:var(--blue-900);color:#fff}

.saiwei-page .still-grid {display:grid;grid-template-columns:1fr auto;gap:34px;align-items:end}

.saiwei-page .still .kicker {color:var(--blue-300)}

.saiwei-page .still h2 {margin:0;max-width:790px;font-size:clamp(2.4rem,4.8vw,3.3rem);line-height:.96;letter-spacing:-.05em}

.saiwei-page .still p {margin:18px 0 0;max-width:760px;color:rgba(255,255,255,.72)}

.saiwei-page .still-actions {display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end}

.saiwei-page .page-note {padding:24px 0 54px;background:var(--cream);color:var(--muted);font-size:.75rem}

.saiwei-page .page-note-inner {width:var(--content);margin:auto;padding-top:20px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}

.saiwei-page .page-note strong {color:var(--blue-900)}

@media (max-width:1100px) { .saiwei-page .desktop-nav {display:none} }

@media (max-width:1100px) { .saiwei-page .menu-btn {display:grid;place-items:center} }

@media (max-width:1100px) { .saiwei-page .hero-grid,.saiwei-page .faq-group-layout {grid-template-columns:1fr} }

@media (max-width:1100px) { .saiwei-page .faq-map {max-width:850px} }

@media (max-width:1100px) { .saiwei-page .faq-group-intro {position:static} }

@media (max-width:1100px) { .saiwei-page .still-grid {grid-template-columns:1fr} }

@media (max-width:1100px) { .saiwei-page .still-actions {justify-content:flex-start} }

@media (max-width:780px) { .saiwei-page {--content:min(calc(100% - 26px),1350px)} }

@media (max-width:780px) { .saiwei-page .header-inner {min-height:68px} }

@media (max-width:780px) { .saiwei-page .mobile-menu {top:68px} }

@media (max-width:780px) { .saiwei-page .hero {padding:26px 0 58px} }

@media (max-width:780px) { .saiwei-page .hero-copy {padding:36px 0 8px} }

@media (max-width:780px) { .saiwei-page .display {font-size:clamp(2.4rem,12vw,5rem)} }

@media (max-width:780px) { .saiwei-page .quick-card {grid-template-columns:1fr;padding:25px} }

@media (max-width:780px) { .saiwei-page .topic-cloud {grid-template-columns:1fr} }

@media (max-width:780px) { .saiwei-page .faq-section {padding:72px 0} }

@media (max-width:780px) { .saiwei-page .material-route {grid-template-columns:1fr} }

@media (max-width:520px) { .saiwei-page .hero-actions,.saiwei-page .still-actions {display:grid} }

@media (max-width:520px) { .saiwei-page .btn {width:100%} }

@media (max-width:520px) { .saiwei-page .answer-links {display:grid} }

@media (max-width:520px) { .saiwei-page .answer-links a {text-align:center} }

@media (prefers-reduced-motion:reduce) { .saiwei-page * {scroll-behavior:auto!important;transition:none!important} }

.saiwei-page section {padding:75px 0!important}

@media (max-width:780px) { .saiwei-page section {padding:55px 0!important} }