* { box-sizing: border-box; }
body { margin: 0; color: #292b30; background: #faf8f4; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', sans-serif; }
a { color: inherit; text-decoration: none; }
.site-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid #e7e5e4; background: rgba(255,253,249,.94); backdrop-filter: blur(14px); }
.header-shell { width: min(1280px, calc(100% - 32px)); min-height: 69px; margin: auto; display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); align-items: center; gap: 24px; }
.brand { display: inline-flex; width: fit-content; min-width: 0; align-items: center; gap: 10px; color: #1c1917; font-size: 15px; font-weight: 700; white-space: nowrap; }
.brand > span:last-child { overflow: hidden; text-overflow: ellipsis; }
.brand-mark { display: grid; width: 40px; height: 40px; flex: 0 0 auto; grid-template-columns: repeat(3, 1fr); gap: 3px; padding: 6px; border-radius: 8px; background: #fff; box-shadow: 0 2px 7px rgba(28,25,23,.07), 0 0 0 1px #e7e5e4; }
.brand-mark i { border-radius: 50%; }
.brand-mark i:nth-child(1) { background: #3b82f6; }.brand-mark i:nth-child(2) { background: #ec4899; }.brand-mark i:nth-child(3) { background: #fbbf24; }.brand-mark i:nth-child(4) { background: #10b981; }.brand-mark i:nth-child(5) { background: #d86f4c; }.brand-mark i:nth-child(6) { background: #8b5cf6; }.brand-mark i:nth-child(7) { background: #06b6d4; }.brand-mark i:nth-child(8) { background: #fb923c; }.brand-mark i:nth-child(9) { background: #60a5fa; }
.desktop-nav { grid-column: 2; display: flex; align-items: center; gap: 28px; color: #78716c; font-size: 15px; white-space: nowrap; }
.header-shell a:hover, .header-shell a[aria-current="page"] { color: #1c1917; }
.mobile-nav { display: none; position: relative; justify-self: end; }
.mobile-nav summary { display: flex; width: 40px; height: 40px; flex-direction: column; align-items: center; justify-content: center; gap: 4px; border: 1px solid #d6d3d1; border-radius: 50%; background: #fff; cursor: pointer; list-style: none; }
.mobile-nav summary::-webkit-details-marker { display: none; }
.mobile-nav summary span { width: 16px; height: 2px; border-radius: 2px; background: #44403c; }
.mobile-nav nav { position: absolute; top: calc(100% + 10px); right: 0; display: flex; width: min(280px, calc(100vw - 24px)); flex-direction: column; gap: 2px; padding: 8px; border: 1px solid #e7e5e4; border-radius: 14px; background: #fffdf9; box-shadow: 0 14px 32px rgba(28,25,23,.14); }
.mobile-nav nav a { min-height: 42px; display: flex; align-items: center; padding: 0 12px; border-radius: 10px; color: #57534e; font-size: 14px; }
.mobile-nav nav a:hover, .mobile-nav nav a[aria-current="page"] { background: #f5f5f4; color: #1c1917; }
.header-shell a:focus-visible, .mobile-nav summary:focus-visible { outline: 3px solid #d86f4c; outline-offset: 3px; }
main { width: min(1040px, calc(100% - 36px)); margin: auto; }
.intro { padding: 34px 0 26px; }
.eyebrow { margin: 0; color: #a84222; font-size: 12px; font-weight: 800; letter-spacing: .15em; }
h1 { margin: 10px 0 12px; font-size: clamp(26px, 3vw, 42px); line-height: 1.2; letter-spacing: -.04em; white-space: nowrap; }
.intro > p:last-child { margin: 0; color: #776b70; font-size: 16px; line-height: 1.7; }
.cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.card { padding: 28px; border: 1px solid #e8e1d8; border-radius: 24px; background: #fffdf9; box-shadow: 0 14px 42px rgba(81,47,60,.05); }
.badge { display: inline-flex; padding: 6px 12px; border-radius: 999px; color: #a84222; background: #fff0e5; font-size: 12px; font-weight: 800; }
.card h2 { margin: 14px 0 5px; font-size: 25px; }
.card-head p { margin: 0 0 22px; color: #796d70; line-height: 1.6; }
.image-box { position: relative; width: 100%; aspect-ratio: 1 / 1; display: grid; place-items: center; overflow: hidden; border-radius: 16px; background: #f5f3ef; color: #97898b; }
.image-box img { position: absolute; inset: 0; display: block; width: 100%; height: 100%; object-fit: cover; object-position: center var(--image-position-y, 52%); }
.wechat .image-box { --image-position-y: 60%; }
.image-box img[hidden], [hidden] { display: none !important; }
.tip { min-height: 43px; margin: 16px 0 8px; color: #807479; font-size: 13px; line-height: 1.7; }
.save-link { color: #b64f6b; font-size: 14px; font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }
.profile { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-top: 24px; padding: 24px 30px; border-radius: 24px; background: #eaf4f0; }
.profile h2 { margin: 4px 0 8px; }
.profile p:last-child { color: #61716b; }
.profile img { width: min(48%, 400px); max-height: 160px; object-fit: contain; border-radius: 10px; }
.privacy-note { margin: 28px 0 0; color: #807479; font-size: 13px; line-height: 1.7; }
@media (max-width: 1023px) { .header-shell { grid-template-columns: minmax(0, 1fr) auto; gap: 12px; } .desktop-nav { display: none; } .mobile-nav { display: block; } }
@media (max-width: 700px) { .header-shell { min-height: 61px; } .brand-mark { width: 36px; height: 36px; } .intro { padding: 26px 0 22px; } .cards { grid-template-columns: 1fr; } .card { padding: 20px; } .profile { flex-direction: column; align-items: flex-start; } .profile img { width: 100%; } }
@media (max-width: 360px) { h1 { font-size: 24px; } }