/* ==========================================================================
   顺发娱乐会馆 · 全站共享样式 /assets/site.css
   夜蓝底 · 朱砂印 · 流沙金描边 · 玻璃浮岛
   ========================================================================== */

/* ---------- reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 132px;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(1200px 720px at 82% -10%, rgba(46, 110, 142, .22), transparent 62%),
    radial-gradient(900px 620px at 4% 6%, rgba(185, 59, 44, .14), transparent 60%),
    radial-gradient(700px 520px at 50% 108%, rgba(166, 90, 58, .16), transparent 66%),
    var(--sf-night);
  color: var(--sf-cream);
  font-family: var(--sf-sans);
  font-size: 17px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6, p, ul, ol, figure, blockquote { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
img, svg, video { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
table { border-collapse: collapse; width: 100%; }

:focus-visible {
  outline: 2px solid var(--sf-gold);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ---------- 变量 ---------- */
:root {
  --sf-night: #0E1A2B;
  --sf-ink: #16263D;
  --sf-ink-2: #1C3050;

  --sf-cinnabar: #B93B2C;
  --sf-gold: #D9A441;
  --sf-gold-soft: rgba(217, 164, 65, .30);

  --sf-azurite: #2E6E8E;
  --sf-azurite-deep: #1F5A78;
  --sf-moss: #6E8A5A;
  --sf-clay: #A65A3A;

  --sf-stone: #9AA3AD;
  --sf-sand: #E7D9C2;
  --sf-cream: #F2E9DA;

  --sf-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", STSong, SimSun, serif;
  --sf-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --sf-mono: "JetBrains Mono", "SFMono-Regular", Menlo, Consolas, "Courier New", monospace;

  --sf-shell: 1160px;
  --sf-rail: 84px;
  --sf-radius: 18px;
  --sf-ease: cubic-bezier(.22, .7, .3, 1);
}

/* ---------- 基础排版 ---------- */
.sf-mono {
  font-family: var(--sf-mono);
  letter-spacing: .08em;
}

.sf-shell {
  width: 100%;
  max-width: var(--sf-shell);
  margin-inline: auto;
  padding-inline: clamp(18px, 4vw, 40px);
}

.sf-eyebrow {
  display: block;
  font-family: var(--sf-mono);
  font-size: 13px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--sf-gold);
}

.sf-display {
  font-family: var(--sf-serif);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.06;
  font-size: clamp(38px, 7vw, 84px);
  color: var(--sf-cream);
}

.sf-h2 {
  font-family: var(--sf-serif);
  font-weight: 900;
  font-size: clamp(26px, 3.4vw, 32px);
  line-height: 1.32;
  letter-spacing: -.01em;
}

.sf-h3 {
  font-family: var(--sf-serif);
  font-weight: 600;
  font-size: 22px;
  line-height: 1.45;
}

/* ---------- 跳转链接 ---------- */
.sf-skip {
  position: fixed;
  top: -120px;
  left: 16px;
  z-index: 300;
  padding: 11px 20px;
  border-radius: 0 0 14px 14px;
  background: var(--sf-gold);
  color: #20160A;
  font-weight: 700;
  font-size: 14px;
  transition: top .22s var(--sf-ease);
}
.sf-skip:focus { top: 0; }

/* ---------- 头部 ---------- */
.sf-header {
  position: sticky;
  top: 0;
  z-index: 90;
}

.sf-strip {
  background: linear-gradient(90deg,
      rgba(185, 59, 44, .94) 0%,
      rgba(166, 90, 58, .88) 42%,
      rgba(22, 38, 61, .94) 100%);
  border-bottom: 1px solid rgba(217, 164, 65, .24);
}

.sf-strip__inner {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px clamp(12px, 2vw, 24px);
  min-height: 40px;
  padding-block: 5px;
  font-size: 13px;
}

.sf-strip__label {
  font-family: var(--sf-mono);
  letter-spacing: .14em;
  font-size: 12px;
  color: #FBEBD2;
  white-space: nowrap;
}
.sf-strip__label::before { content: "◆"; color: var(--sf-gold); margin-right: 7px; }
.sf-strip__label--end { margin-left: auto; color: rgba(251, 235, 210, .8); }
.sf-strip__label--end::before { content: none; }

.sf-strip__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.sf-strip__link {
  display: inline-flex;
  align-items: center;
  padding: 3px 13px;
  border-radius: 999px;
  border: 1px solid rgba(242, 233, 218, .44);
  color: #FFF6E6;
  font-weight: 600;
  font-size: 13px;
  white-space: nowrap;
  transition: background .2s var(--sf-ease), border-color .2s var(--sf-ease), transform .2s var(--sf-ease);
}
.sf-strip__link:hover {
  background: rgba(14, 26, 43, .6);
  border-color: var(--sf-gold);
  transform: translateY(-1px);
}

.sf-capsule {
  position: relative;
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 26px);
  margin-top: 14px;
  margin-bottom: 12px;
  padding: 10px 14px 10px 18px;
  border-radius: 999px;
  background: rgba(22, 38, 61, .66);
  border: 1px solid var(--sf-gold-soft);
  box-shadow: 0 18px 42px -30px rgba(0, 0, 0, .95), inset 0 1px 0 rgba(242, 233, 218, .08);
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  transition: padding .35s var(--sf-ease), background .35s var(--sf-ease), box-shadow .35s var(--sf-ease);
}
[data-header][data-scrolled] .sf-capsule {
  padding: 6px 12px 6px 14px;
  background: rgba(14, 26, 43, .88);
  box-shadow: 0 24px 52px -32px #000;
}

.sf-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}

.sf-brand__seal {
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  display: grid;
  place-items: center;
  border-radius: 12px 4px 12px 4px;
  background: var(--sf-cinnabar);
  color: #FFEFD8;
  font-family: var(--sf-serif);
  font-weight: 900;
  font-size: 20px;
  box-shadow: inset 0 0 0 1px rgba(242, 233, 218, .35), 0 10px 20px -14px var(--sf-cinnabar);
}

.sf-brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}
.sf-brand__text strong {
  font-family: var(--sf-serif);
  font-weight: 900;
  font-size: 19px;
  letter-spacing: .02em;
  color: var(--sf-cream);
}
.sf-brand__text em {
  font-style: normal;
  font-family: var(--sf-mono);
  font-size: 10px;
  letter-spacing: .18em;
  color: var(--sf-stone);
}

.sf-nav { margin-left: auto; }

.sf-nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
}

.sf-nav__link {
  display: block;
  padding: 9px 14px;
  border-radius: 999px;
  font-size: 15px;
  color: rgba(242, 233, 218, .78);
  white-space: nowrap;
  transition: color .2s var(--sf-ease), background .2s var(--sf-ease);
}
.sf-nav__link:hover {
  color: var(--sf-cream);
  background: rgba(217, 164, 65, .13);
}
.sf-nav__link[aria-current="page"] {
  color: #20160A;
  font-weight: 700;
  background: linear-gradient(180deg, #E8BE68, #C9942F);
  box-shadow: 0 8px 20px -14px rgba(217, 164, 65, .95);
}

.sf-burger {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  margin-left: auto;
  width: 46px;
  height: 46px;
  flex: 0 0 46px;
  border-radius: 14px;
  border: 1px solid var(--sf-gold-soft);
  background: rgba(185, 59, 44, .2);
  transition: background .2s var(--sf-ease);
}
.sf-burger:hover { background: rgba(185, 59, 44, .34); }
.sf-burger span {
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: var(--sf-cream);
  transition: transform .26s var(--sf-ease), opacity .26s var(--sf-ease);
}
.sf-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.sf-burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.sf-burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.sf-progress {
  height: 2px;
  width: 100%;
  background: rgba(154, 163, 173, .12);
}
.sf-progress__bar {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--sf-cinnabar), var(--sf-gold) 52%, var(--sf-azurite));
  transition: width .12s linear;
}

/* ---------- 左侧印章竖轨 ---------- */
.sf-index {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 80;
  width: var(--sf-rail);
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 22px 0;
  overflow: auto;
  background:
    linear-gradient(180deg, rgba(22, 38, 61, .97), rgba(14, 26, 43, .97));
  border-right: 1px solid rgba(217, 164, 65, .18);
}
.sf-index[data-filled] { display: none; }

.sf-index__seal {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 9px 3px 9px 3px;
  background: var(--sf-cinnabar);
  color: #FFEFD8;
  font-family: var(--sf-serif);
  font-weight: 900;
  font-size: 16px;
  box-shadow: inset 0 0 0 1px rgba(242, 233, 218, .35);
}

.sf-index__list {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin: auto 0;
}

.sf-index__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  width: 64px;
  padding: 9px 0;
  border-radius: 13px;
  color: var(--sf-stone);
  transition: background .25s var(--sf-ease), color .25s var(--sf-ease), box-shadow .25s var(--sf-ease);
}
.sf-index__num {
  font-family: var(--sf-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: rgba(217, 164, 65, .75);
}
.sf-index__label {
  writing-mode: vertical-rl;
  text-orientation: upright;
  letter-spacing: .2em;
  font-size: 12px;
  line-height: 1.2;
}
.sf-index__item:hover {
  background: rgba(46, 110, 142, .28);
  color: var(--sf-cream);
}
.sf-index__item[aria-current="true"] {
  background: var(--sf-cinnabar);
  color: #FFEFD8;
  box-shadow: 0 12px 24px -16px var(--sf-cinnabar);
}
.sf-index__item[aria-current="true"] .sf-index__num { color: #FFDCA0; }

@media (min-width: 1100px) {
  .sf-index[data-filled] { display: flex; }
  html[data-rail] body { padding-left: var(--sf-rail); }
}

/* ---------- 右下角新访客指南 ---------- */
.sf-guide {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 95;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
  pointer-events: none;
}
.sf-guide > * { pointer-events: auto; }

.sf-guide__panel {
  width: min(344px, calc(100vw - 40px));
  max-height: 72vh;
  overflow: auto;
  padding: 20px 20px 18px;
  border-radius: 20px 6px 20px 20px;
  background: linear-gradient(160deg, rgba(28, 48, 80, .98), rgba(14, 26, 43, .99));
  border: 1px solid var(--sf-gold-soft);
  box-shadow: 0 32px 64px -34px #000;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 22px 100%, 0 calc(100% - 22px));
}
.sf-guide__panel[hidden] { display: none; }

.sf-guide__eyebrow {
  font-family: var(--sf-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--sf-gold);
  margin-bottom: 14px;
}

.sf-guide__steps {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 16px;
}
.sf-guide__steps li {
  display: flex;
  gap: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(242, 233, 218, .86);
}
.sf-guide__num {
  flex: 0 0 24px;
  padding-top: 2px;
  font-family: var(--sf-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: #E2785F;
}

.sf-guide__more {
  width: 100%;
  justify-content: center;
  padding: 11px 18px;
  font-size: 14px;
}

.sf-guide__btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 11px 18px 11px 11px;
  border-radius: 999px;
  background: var(--sf-cinnabar);
  color: #FFEFD8;
  font-weight: 700;
  font-size: 14px;
  border: 1px solid rgba(242, 233, 218, .26);
  box-shadow: 0 20px 38px -22px #000;
  transition: transform .25s var(--sf-ease), background .25s var(--sf-ease);
}
.sf-guide__btn:hover {
  transform: translateY(-2px);
  background: #C9452F;
}
.sf-guide__seal {
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: rgba(14, 26, 43, .55);
  font-size: 12px;
  color: #FFDCA0;
}
.sf-guide__label { white-space: nowrap; }

/* ---------- 返回顶部 ---------- */
.sf-top {
  position: fixed;
  right: 20px;
  bottom: 84px;
  z-index: 94;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  background: rgba(22, 38, 61, .92);
  border: 1px solid var(--sf-gold-soft);
  color: var(--sf-gold);
  font-size: 18px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity .3s var(--sf-ease), transform .3s var(--sf-ease), border-color .25s var(--sf-ease);
}
.sf-top[data-visible] {
  opacity: 1;
  pointer-events: auto;
  transform: none;
}
.sf-top:hover { border-color: var(--sf-gold); }

/* ---------- 通用按钮 ---------- */
.sf-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 26px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-family: var(--sf-sans);
  font-weight: 700;
  font-size: 15px;
  transition: transform .25s var(--sf-ease), background .25s var(--sf-ease),
              border-color .25s var(--sf-ease), color .25s var(--sf-ease);
}
.sf-btn--gold {
  background: linear-gradient(180deg, #E8BE68, #C9942F);
  color: #20160A;
  box-shadow: 0 18px 34px -24px rgba(217, 164, 65, .95);
}
.sf-btn--gold:hover { transform: translateY(-2px); }
.sf-btn--seal {
  background: var(--sf-cinnabar);
  color: #FFEFD8;
  box-shadow: 0 18px 34px -24px #000;
}
.sf-btn--seal:hover { transform: translateY(-2px); background: #C9452F; }
.sf-btn--ghost {
  background: transparent;
  border-color: var(--sf-gold-soft);
  color: var(--sf-cream);
}
.sf-btn--ghost:hover {
  border-color: var(--sf-gold);
  color: var(--sf-gold);
}

/* ---------- 面包屑 ---------- */
.sf-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 16px 0 4px;
  font-family: var(--sf-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--sf-stone);
}
.sf-crumbs a { transition: color .2s var(--sf-ease); }
.sf-crumbs a:hover { color: var(--sf-gold); }
.sf-crumbs__sep { color: rgba(217, 164, 65, .5); }
.sf-crumbs [aria-current="page"] { color: var(--sf-cream); }

/* ---------- 正文容器 ---------- */
.sf-prose {
  max-width: 38em;
  font-size: 17px;
  line-height: 1.85;
  color: rgba(242, 233, 218, .88);
}
.sf-prose p + p { margin-top: 1.05em; }
.sf-prose h2,
.sf-prose h3 {
  font-family: var(--sf-serif);
  color: var(--sf-cream);
  line-height: 1.35;
  margin: 1.9em 0 .7em;
}
.sf-prose h2 { font-size: 32px; font-weight: 900; }
.sf-prose h3 { font-size: 22px; font-weight: 600; }
.sf-prose ul { margin-top: .7em; }
.sf-prose li {
  position: relative;
  padding-left: 22px;
  margin-top: .55em;
}
.sf-prose li::before {
  content: "◆";
  position: absolute;
  left: 0;
  top: .5em;
  font-size: 10px;
  color: var(--sf-cinnabar);
}
.sf-prose a {
  color: var(--sf-gold);
  border-bottom: 1px solid rgba(217, 164, 65, .45);
}
.sf-prose a:hover { border-color: var(--sf-gold); }
.sf-prose strong { color: var(--sf-cream); }

/* ---------- 区块与网格 ---------- */
.sf-section { padding: clamp(46px, 7vw, 96px) 0; }
.sf-section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 12px 22px;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.sf-grid { display: grid; gap: clamp(16px, 2.4vw, 28px); }
.sf-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.sf-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

@media (max-width: 960px) {
  .sf-grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 680px) {
  .sf-grid--2,
  .sf-grid--3 { grid-template-columns: minmax(0, 1fr); }
}

/* ---------- 卡片 ---------- */
.sf-card {
  position: relative;
  padding: clamp(18px, 2.4vw, 26px);
  border-radius: var(--sf-radius);
  border: 1px solid rgba(217, 164, 65, .2);
  background: linear-gradient(155deg, rgba(22, 38, 61, .93), rgba(14, 26, 43, .93));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
  transition: transform .3s var(--sf-ease), border-color .3s var(--sf-ease), box-shadow .3s var(--sf-ease);
}
.sf-card:hover {
  transform: translate(4px, -4px);
  border-color: rgba(217, 164, 65, .52);
  box-shadow: 0 28px 48px -34px #000;
}

.sf-card--solid {
  background: var(--sf-sand);
  border-color: rgba(14, 26, 43, .16);
  color: var(--sf-night);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 26px 100%, 0 calc(100% - 26px));
}
.sf-card--solid .sf-h3,
.sf-card--solid .sf-h2 { color: var(--sf-night); }
.sf-card--solid p { color: rgba(14, 26, 43, .78); }

/* ---------- 图片容器 ---------- */
.sf-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  border-radius: 16px 16px 16px 4px;
  background:
    radial-gradient(120% 90% at 18% 12%, rgba(46, 110, 142, .55), transparent 58%),
    radial-gradient(110% 80% at 88% 88%, rgba(166, 90, 58, .55), transparent 60%),
    var(--sf-ink);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}
.sf-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.sf-media--wide { aspect-ratio: 21 / 9; }
.sf-media--tall { aspect-ratio: 3 / 4; }

.sf-media__tag {
  position: absolute;
  left: 14px;
  bottom: 14px;
  padding: 5px 11px;
  border-radius: 999px;
  background: rgba(14, 26, 43, .8);
  border: 1px solid rgba(217, 164, 65, .35);
  color: var(--sf-gold);
  font-family: var(--sf-mono);
  font-size: 11px;
  letter-spacing: .12em;
}

/* ---------- 标签 ---------- */
.sf-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 11px;
  border-radius: 999px;
  border: 1px solid var(--sf-gold-soft);
  background: rgba(217, 164, 65, .08);
  color: var(--sf-gold);
  font-family: var(--sf-mono);
  font-size: 12px;
  letter-spacing: .08em;
}
.sf-tag--moss {
  color: #B9D2A4;
  border-color: rgba(110, 138, 90, .5);
  background: rgba(110, 138, 90, .18);
}
.sf-tag--clay {
  color: #EBC2A8;
  border-color: rgba(166, 90, 58, .55);
  background: rgba(166, 90, 58, .2);
}
.sf-tag--azurite {
  color: #B7D6E6;
  border-color: rgba(46, 110, 142, .6);
  background: rgba(46, 110, 142, .22);
}

/* ---------- 纹样分隔线 ---------- */
.sf-rule {
  height: 1px;
  width: 100%;
  background: linear-gradient(90deg,
      transparent 0%,
      rgba(166, 90, 58, .85) 18%,
      rgba(217, 164, 65, .7) 50%,
      rgba(166, 90, 58, .85) 82%,
      transparent 100%);
}

/* ---------- 页脚 ---------- */
.sf-footer {
  margin-top: clamp(50px, 8vw, 110px);
  padding-bottom: 26px;
  border-top: 1px solid rgba(217, 164, 65, .2);
  background: linear-gradient(180deg, rgba(22, 38, 61, .62), rgba(14, 26, 43, 1));
  font-size: 15px;
}
.sf-footer .sf-rule { opacity: .8; }

.sf-footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.4fr;
  gap: clamp(20px, 3vw, 40px);
  padding: clamp(36px, 5vw, 62px) 0 30px;
}

.sf-footer__logo {
  display: inline-block;
  margin-bottom: 12px;
  font-family: var(--sf-serif);
  font-weight: 900;
  font-size: 24px;
  letter-spacing: .02em;
  color: var(--sf-cream);
}
.sf-footer__logo:hover { color: var(--sf-gold); }

.sf-footer__intro {
  max-width: 30em;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(242, 233, 218, .7);
}

.sf-footer__stamp {
  margin-top: 16px;
  font-family: var(--sf-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--sf-clay);
}

.sf-footer__title {
  margin-bottom: 14px;
  font-family: var(--sf-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: .18em;
  color: var(--sf-gold);
}

.sf-footer__nav li + li { margin-top: 9px; }
.sf-footer__nav a {
  color: rgba(242, 233, 218, .78);
  border-bottom: 1px solid transparent;
  transition: color .2s var(--sf-ease), border-color .2s var(--sf-ease);
}
.sf-footer__nav a:hover {
  color: var(--sf-gold);
  border-color: var(--sf-gold);
}

.sf-footer__contact-list li {
  display: flex;
  gap: 12px;
  margin-bottom: 11px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(242, 233, 218, .82);
  overflow-wrap: anywhere;
}
.sf-footer__contact-list .sf-mono {
  flex: 0 0 40px;
  padding-top: 3px;
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--sf-stone);
}

.sf-footer__base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 20px;
  padding-top: 22px;
  border-top: 1px solid rgba(154, 163, 173, .18);
  font-size: 13px;
  color: var(--sf-stone);
}

@media (max-width: 1024px) {
  .sf-footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .sf-footer__grid { grid-template-columns: minmax(0, 1fr); }
}

/* ---------- 移动端导航 ---------- */
@keyframes sf-drop {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: none; }
}

@media (max-width: 900px) {
  .sf-burger { display: flex; }

  .sf-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: calc(100% + 12px);
    margin-left: 0;
    display: none;
    max-height: min(70vh, 520px);
    overflow: auto;
    padding: 10px;
    border-radius: 20px;
    border: 1px solid rgba(217, 164, 65, .32);
    background: linear-gradient(160deg, rgba(22, 38, 61, .99), rgba(14, 26, 43, .99));
    box-shadow: 0 32px 64px -34px #000;
  }
  .sf-nav[data-open] {
    display: block;
    animation: sf-drop .28s var(--sf-ease) both;
  }
  .sf-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }
  .sf-nav__link {
    padding: 13px 16px;
    border-radius: 14px;
    font-size: 16px;
  }
  .sf-nav__link[aria-current="page"] { border-radius: 14px; }

  .sf-strip__label--end { display: none; }
  .sf-brand__text em { display: none; }

  .sf-guide { right: 14px; bottom: 14px; }
  .sf-top { right: 14px; bottom: 78px; width: 40px; height: 40px; }
}

@media (max-width: 420px) {
  .sf-guide__label { display: none; }
  .sf-guide__btn { padding: 11px; }
}

/* ---------- 可访问性 ---------- */
[data-section] { scroll-margin-top: 132px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
}