.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:#808080;--silver-600:#555555;--silver-700:#424242; --ink:#0D0D0D;--muted:#808080;--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,6.7vw,5rem);line-height:.89;letter-spacing:-.064em;font-weight:950}

.saiwei-page .section-title {margin:0;font-size:clamp(2.15rem,4.15vw,3.3rem);line-height:.96;letter-spacing:-.05em;font-weight:930}

.saiwei-page .section-copy {margin:18px 0 0;max-width:780px;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:16px;color:#2563EB;font-size:.75rem;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:52px 0 78px;background:radial-gradient(circle at 82% 12%,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(0,1.04fr) minmax(430px,.96fr);gap:48px;align-items:center}

.saiwei-page .hero-copy {padding:50px 0}

.saiwei-page .hero h1 {color:var(--blue-950)}

.saiwei-page .hero-lead {max-width:760px;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 .hub-map {padding:28px;border:1px solid var(--line);border-radius:32px;background:linear-gradient(145deg,#fff,var(--silver-100));box-shadow:var(--shadow)}

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

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

.saiwei-page .hub-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 .route-list {display:grid;gap:12px;margin-top:22px}

.saiwei-page .route-item {display:grid;grid-template-columns:44px 1fr auto;gap:14px;align-items:center;padding:15px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.74)}

.saiwei-page .route-item strong {color:var(--blue-950);font-size:.84rem}

.saiwei-page .route-item span:last-child {color:var(--silver-500);font-size:.8rem}

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

.saiwei-page .quick {padding:82px 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 .hub-section {padding:96px 0}

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

.saiwei-page .hub-head {display:flex;justify-content:space-between;gap:34px;align-items:end;margin-bottom:30px}

.saiwei-page .hub-head .section-copy {max-width:600px}

.saiwei-page .guide-grid {display:grid;grid-template-columns:repeat(2,1fr);gap:22px}

.saiwei-page .guide-card {position:relative;padding:28px;border:1px solid var(--line);border-radius:28px;background:#fff;box-shadow:var(--shadow-sm);overflow:hidden;transition:.2s ease;display:flex;flex-direction:column}

/* Cards in the same grid row share one height: let the body copy absorb the
   slack so every card's task-line + CTA sit on a common baseline. */
.saiwei-page .guide-card > p {flex:1 1 auto}

.saiwei-page .guide-card:hover {transform:translateY(-3px);box-shadow:var(--shadow)}

.saiwei-page .guide-card.featured {background:linear-gradient(145deg,#fff,var(--blue-100))}

.saiwei-page .guide-card.silver {background:linear-gradient(145deg,#fff,var(--silver-100))}

.saiwei-page .guide-card .eyebrow {font-size:.63rem;font-weight:900;letter-spacing:.09em;text-transform:uppercase;color:var(--silver-600)}

.saiwei-page .guide-card h3 {margin:13px 0 0;color:var(--blue-950);font-size:1.55rem;line-height:1.08}

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

.saiwei-page .task-line {margin-top:22px;padding-top:16px;border-top:1px solid var(--line-soft);color:#555555;font-size:.76rem}

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

.saiwei-page .card-link {display:inline-flex;align-items:center;gap:8px;margin-top:18px;color:#2563EB;font-size:.74rem;font-weight:900;text-transform:uppercase;letter-spacing:.03em}

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

.saiwei-page .single-card {padding:34px;border:1px solid var(--line);border-radius:30px;background:#fff;box-shadow:var(--shadow-sm)}

.saiwei-page .single-card.testing {background:linear-gradient(140deg,#0B0D10,#272727);color:#fff}

.saiwei-page .single-card.testing .kicker {color:var(--blue-300)}

.saiwei-page .single-card.testing h3 {margin:14px 0 0;font-size:2.05rem;line-height:1.05}

.saiwei-page .single-card.testing p {margin:16px 0 0;max-width:880px;color:rgba(255,255,255,.72)}

.saiwei-page .evidence-list {display:flex;flex-wrap:wrap;gap:9px;margin-top:22px}

.saiwei-page .evidence-list span {padding:8px 11px;border-radius:999px;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.12);font-size:.69rem;color:rgba(255,255,255,.85)}

.saiwei-page .custom-grid {display:grid;grid-template-columns:repeat(3,1fr);gap:18px}

.saiwei-page .custom-card {padding:24px;border:1px solid var(--line);border-radius:22px;background:#fff;box-shadow:var(--shadow-sm)}

.saiwei-page .custom-card span {font-size:.62rem;font-weight:900;letter-spacing:.09em;text-transform:uppercase;color:var(--silver-600)}

.saiwei-page .custom-card h3 {margin:11px 0 0;color:var(--blue-950);font-size:1.1rem}

.saiwei-page .custom-card p {margin:9px 0 0;color:var(--muted);font-size:.78rem}

.saiwei-page .router {padding:98px 0;background:var(--silver-100)}

.saiwei-page .router-card {margin-top:30px;border:1px solid var(--line);border-radius:28px;background:#fff;box-shadow:var(--shadow-sm);overflow:hidden}

.saiwei-page .router-row {display:grid;grid-template-columns:1.35fr 1fr;gap:0;border-bottom:1px solid var(--line)}

.saiwei-page .router-row:last-child {border-bottom:0}

.saiwei-page .router-row>* {padding:18px 22px}

.saiwei-page .router-row.head {background:var(--silver-50);color:var(--blue-900);font-size:.65rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}

.saiwei-page .router-row:not(.head) .question {color:var(--blue-950);font-weight:820;font-size:.86rem}

.saiwei-page .router-row:not(.head) a {color:#2563EB;font-size:.8rem;font-weight:850}

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

.saiwei-page .faq-list {display:grid;gap:12px}

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

.saiwei-page summary {position:relative;list-style:none;cursor:pointer;padding:20px 54px 20px 20px;color:var(--blue-950);font-weight:850}

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

.saiwei-page summary::after {content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);width:26px;height:26px;display:grid;place-items:center;border-radius:50%;background:var(--silver-100);color:#0B0D10;font-size:1.1rem}

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

.saiwei-page .faq-answer {padding:0 20px 20px;color:#636363;font-size:.88rem}

.saiwei-page .final {padding:36px 0 90px;background:var(--cream)}

.saiwei-page .final-panel {position:relative;padding:54px;border-radius:32px;background:linear-gradient(140deg,#0B0D10,#272727);color:#fff;overflow:hidden;box-shadow:var(--shadow)}

.saiwei-page .final-panel::before {content:"";position:absolute;width:380px;height:380px;border-radius:50%;right:-125px;top:-165px;background:rgba(255,255,255,.07)}

.saiwei-page .final h2 {margin:0;max-width:760px;font-size:clamp(2.4rem,4.5vw,3.3rem);line-height:.96;letter-spacing:-.05em}

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

.saiwei-page .final-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-layout {grid-template-columns:1fr} }

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

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

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

@media (max-width:1100px) { .saiwei-page .final-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 .hub-head {display:block} }

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

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

@media (max-width:780px) { .saiwei-page .router-row.head {display:none} }

@media (max-width:780px) { .saiwei-page .router-row>* {padding:13px 18px} }

@media (max-width:780px) { .saiwei-page .router-row a {padding-top:0!important} }

@media (max-width:780px) { .saiwei-page .final-panel {padding:34px 24px} }

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

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

@media (max-width:520px) { .saiwei-page .route-item {grid-template-columns:40px 1fr} }

@media (max-width:520px) { .saiwei-page .route-item span:last-child {display:none} }

@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} }