/* pay.anan.es 公共样式 */
:root {
  --bg: #F3F0EA; --paper: #FFFFFF; --ink: #1B1B1A; --muted: #55524C; --line: #DDD7CB;
  --accent: #B04A30; --accent-dark: #973C25; --navy: #2D4A6B; --navy-dark: #223A55; --ok: #3F6B4C;
}
* { box-sizing: border-box }
html { scroll-behavior: smooth }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: 'Albert Sans', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif; font-size: 17px; line-height: 1.6 }
[hidden] { display: none !important }
a { color: var(--navy) }
a:hover { color: var(--accent) }
a:focus-visible, button:focus-visible, select:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto } * { transition: none !important } }

.wrap { max-width: 1200px; margin: 0 auto; padding-left: 32px; padding-right: 32px }
@media (max-width: 600px) { .wrap { padding-left: 16px; padding-right: 16px } }

/* 页眉 */
.site-header { background: var(--bg); border-bottom: 1px solid var(--line) }
.site-header-in { padding-top: 14px; padding-bottom: 14px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink) }
.brand-mark { display: inline-flex; width: 34px; height: 34px; border-radius: 9px; background: var(--navy); align-items: center; justify-content: center }
.brand-name { font-weight: 700; font-size: 20px; letter-spacing: -0.02em }
.brand-sub { font-size: 13px; color: var(--muted); font-weight: 500 }
.site-nav { display: flex; flex-wrap: wrap; gap: 2px }
.site-nav a { padding: 8px 12px; text-decoration: none; color: var(--ink); font-weight: 500; border-radius: 8px }
.site-nav a:hover { background: #E8E3D9; color: var(--ink) }
.site-nav a[aria-current="page"] { color: var(--accent) }

/* 页脚 */
.site-footer { background: #1B1B1A; color: #B9B4AA; margin-top: 0 }
.site-footer-in { padding-top: 36px; padding-bottom: 36px; display: flex; flex-direction: column; gap: 14px; font-size: 14px; line-height: 1.7 }
.site-footer p { margin: 0; max-width: 60em }
.legal-links { display: flex; flex-wrap: wrap; gap: 8px 24px }
.legal-links a { color: #F3F0EA; text-decoration: none; font-weight: 600 }
.legal-links a:hover { color: #E8957D; text-decoration: underline }
.site-footer .copy { color: #8A857C }

.draft-banner { background: #FBE3DA; color: #7A2E1B; border-bottom: 1px solid #E8B4A3; font-weight: 600; text-align: center; padding: 12px 16px }

/* 按钮 */
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 0 22px; border-radius: 10px; text-decoration: none; font: inherit; font-weight: 600; cursor: pointer; border: 0; text-align: center }
.btn-primary { background: var(--accent); color: #FFFFFF }
.btn-primary:hover { background: var(--accent-dark); color: #FFFFFF }
.btn-navy { background: var(--navy); color: #FFFFFF }
.btn-navy:hover { background: var(--navy-dark); color: #FFFFFF }
.btn-outline { background: transparent; color: var(--ink); border: 1.5px solid var(--ink) }
.btn[disabled] { opacity: .45; cursor: not-allowed }
.btn-block { display: flex; width: 100% }

/* 首页 */
.eyebrow { margin: 0; font-size: 13px; letter-spacing: 0.18em; color: var(--accent); font-weight: 600 }
.hero { padding-top: clamp(48px, 7vw, 96px); padding-bottom: clamp(32px, 5vw, 56px); display: flex; flex-direction: column; gap: 20px }
.hero h1 { margin: 0; font-size: clamp(38px, 5vw, 64px); line-height: 1.1; letter-spacing: -0.03em }
.hero h1 span { color: var(--accent) }
.hero p.lead { margin: 0; font-size: clamp(18px, 1.5vw, 20px); color: var(--muted); max-width: 40em }
.features { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 10px 28px; color: var(--muted); font-weight: 500 }
.features li::before { content: "✓ "; color: var(--ok); font-weight: 700 }

.plans { padding-top: 24px; padding-bottom: clamp(48px, 6vw, 88px) }
.plans h2 { margin: 0 0 8px; font-size: clamp(28px, 3vw, 40px); letter-spacing: -0.02em }
.plans .sub { margin: 0 0 28px; color: var(--muted) }
.plan-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); gap: 16px }
.plan { background: var(--paper); border: 1px solid var(--line); border-radius: 16px; padding: 24px; display: flex; flex-direction: column; gap: 14px; position: relative }
.plan.hot { border: 2px solid var(--accent) }
.plan .tag { position: absolute; top: -12px; left: 20px; background: var(--accent); color: #FFFFFF; font-size: 13px; font-weight: 600; padding: 2px 12px; border-radius: 999px }
.plan h3 { margin: 0; font-size: 22px }
.plan .price { display: flex; align-items: baseline; gap: 6px; flex-wrap: wrap }
.plan .price strong { font-size: 40px; letter-spacing: -0.03em; line-height: 1.05 }
.plan .price span { color: var(--muted) }
.plan .cny { font-size: 15px; color: var(--muted); margin-top: -8px }
.plan dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; font-size: 15px }
.plan dt { color: var(--muted) }
.plan dd { margin: 0; font-weight: 600 }
.plan .once { margin: 0; font-size: 14px; color: var(--ok); font-weight: 600 }
.plan .buy { display: flex; flex-direction: column; gap: 8px; margin-top: auto }

.notes { background: var(--paper); border: 1px solid var(--line); border-radius: 14px; padding: 20px 24px; margin-top: 24px; display: flex; flex-direction: column; gap: 6px; font-size: 15px; color: var(--muted) }
.notes strong { color: var(--ink) }
.pay-off { color: var(--accent); font-weight: 600 }

/* 结账页 */
.panel { max-width: 560px; margin: 0 auto; background: var(--paper); border: 1px solid var(--line); border-radius: 16px; padding: 28px; display: flex; flex-direction: column; gap: 16px }
.field { display: flex; flex-direction: column; gap: 6px }
.field label, .field legend { font-weight: 600; font-size: 15px; color: var(--muted) }
.field select { min-height: 52px; padding: 0 14px; font: inherit; font-weight: 600; border: 1.5px solid var(--ink); border-radius: 10px; background: var(--bg) }
.field fieldset { border: 0; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px }
.radio { display: flex; gap: 10px; align-items: flex-start; padding: 12px 14px; border: 1.5px solid var(--line); border-radius: 10px; cursor: pointer }
.radio input { margin-top: 5px }
.radio small { display: block; color: var(--muted) }

/* 文档页 */
.doc { max-width: 820px; margin: 0 auto; padding: clamp(40px, 6vw, 80px) 32px }
@media (max-width: 600px) { .doc { padding-left: 16px; padding-right: 16px } }
.doc h1 { margin: 0 0 8px; font-size: clamp(32px, 4vw, 46px); line-height: 1.15; letter-spacing: -0.02em }
.doc .meta { margin: 0 0 32px; color: var(--muted); font-size: 15px }
.doc h2 { margin: 36px 0 12px; font-size: 22px }
.doc p, .doc li { color: #2E2C29 }
.doc ul, .doc ol { padding-left: 1.4em }
.doc li { margin: 4px 0 }
.doc .ph { background: #FFF3C4; padding: 0 4px; border-radius: 3px; font-weight: 600 }
.doc table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 15px; display: block; overflow-x: auto }
.doc th, .doc td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top }
.doc th { background: #EAE5DB; white-space: nowrap }
.doc .note { background: var(--paper); border: 1px solid var(--line); border-radius: 12px; padding: 16px 20px }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px }