/* =========================================================
   小雪 Yy 工作室 · 前台样式
   纯白背景 / 轻玻璃 / 克制渐变
   ========================================================= */

:root {
  --bg: #ffffff;
  --ink: #0c1322;
  --ink-2: #39435a;
  --muted: #6c778c;
  --line: #e8ecf3;
  --line-2: #f1f4f9;
  --soft: #f7f9fc;
  --soft-2: #eef3fb;
  --accent: #2f4bff;
  --accent-2: #7a3ff2;
  --accent-ink: #1c2fa8;
  --accent-soft: #eef2ff;
  --green: #12a05c;
  --green-soft: #e9f8f0;
  --radius-lg: 22px;
  --radius: 16px;
  --radius-sm: 11px;
  --shadow-xs: 0 1px 2px rgba(12, 19, 34, .05);
  --shadow-sm: 0 10px 30px -18px rgba(12, 19, 34, .22), 0 1px 2px rgba(12, 19, 34, .04);
  --shadow-md: 0 30px 70px -38px rgba(16, 24, 46, .32), 0 2px 6px rgba(12, 19, 34, .05);
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
          "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 90px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; }

::selection { background: #dfe5ff; color: #101a3a; }

.wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 26px; }

/* 图标 */
.ico {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
}

/* --------------------------------------------------------- 顶部导航 */
.nav {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(255, 255, 255, .86);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--line);
}

.nav-in {
  height: 74px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand { display: flex; align-items: center; gap: 11px; margin-right: auto; }

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0;
  background: linear-gradient(145deg, #3b55ff 0%, #6a3df0 100%);
  box-shadow: 0 8px 20px -10px rgba(47, 75, 255, .8), inset 0 1px 0 rgba(255, 255, 255, .28);
}

.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-name { font-size: 16.5px; font-weight: 700; letter-spacing: -.01em; }
.brand-sub {
  font-size: 10px;
  letter-spacing: .18em;
  color: #9aa4b8;
  font-weight: 600;
  text-transform: uppercase;
}

.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  position: relative;
  padding: 8px 13px;
  font-size: 14.5px;
  color: var(--ink-2);
  border-radius: 9px;
  transition: color .18s ease, background .18s ease;
}
.nav-links a:hover { color: var(--ink); background: var(--soft); }
.nav-links a.is-active { color: var(--accent); }

.nav-actions { display: flex; align-items: center; gap: 10px; }

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 12px;
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: -.01em;
  cursor: pointer;
  white-space: nowrap;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
}
.btn .ico { width: 17px; height: 17px; }
.btn:active { transform: translateY(1px); }

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, #2f4bff 0%, #6b3df0 100%);
  box-shadow: 0 12px 26px -14px rgba(47, 75, 255, .9), inset 0 1px 0 rgba(255, 255, 255, .22);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 34px -16px rgba(47, 75, 255, .95), inset 0 1px 0 rgba(255, 255, 255, .26);
}

.btn-ghost {
  color: var(--ink);
  background: #fff;
  border-color: var(--line);
  box-shadow: var(--shadow-xs);
}
.btn-ghost:hover { border-color: #d4dcea; background: #fcfdff; transform: translateY(-1px); }

.btn-soft {
  color: var(--accent-ink);
  background: var(--accent-soft);
  border-color: #dfe5ff;
}
.btn-soft:hover { background: #e6ebff; }

.btn-sm { height: 36px; padding: 0 14px; font-size: 13.5px; border-radius: 10px; }
.btn-sm .ico { width: 15px; height: 15px; }

/* 汉堡 */
.burger {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  cursor: pointer;
  padding: 0;
  place-items: center;
  color: var(--ink-2);
}
.burger span {
  display: block;
  width: 17px;
  height: 1.7px;
  background: currentColor;
  border-radius: 2px;
  margin: 3px auto;
  transition: transform .2s ease, opacity .2s ease;
}
.burger.is-open span:nth-child(1) { transform: translateY(4.7px) rotate(45deg); }
.burger.is-open span:nth-child(2) { opacity: 0; }
.burger.is-open span:nth-child(3) { transform: translateY(-4.7px) rotate(-45deg); }

.mobile-menu {
  display: none;
  border-bottom: 1px solid var(--line);
  background: #fff;
  padding: 10px 0 18px;
}
.mobile-menu.is-open { display: block; }
.mobile-menu a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 4px;
  font-size: 15px;
  color: var(--ink-2);
  border-bottom: 1px solid var(--line-2);
}
.mobile-menu a:last-child { border-bottom: 0; }
.mobile-menu .mm-actions { display: flex; gap: 10px; margin-top: 14px; }
.mobile-menu .mm-actions .btn { flex: 1; }

/* --------------------------------------------------------- 首屏 */
.hero {
  position: relative;
  overflow: hidden;
  padding: 78px 0 84px;
  background: #fff;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -180px -10% auto -10%;
  height: 720px;
  background:
    radial-gradient(46% 52% at 78% 22%, rgba(93, 120, 255, .14) 0%, rgba(255, 255, 255, 0) 62%),
    radial-gradient(38% 46% at 12% 8%, rgba(150, 108, 255, .12) 0%, rgba(255, 255, 255, 0) 60%);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(12, 19, 34, .045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(12, 19, 34, .045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(70% 60% at 55% 8%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(70% 60% at 55% 8%, #000 0%, transparent 78%);
  opacity: .5;
  pointer-events: none;
}

.hero-in {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.06fr .94fr;
  gap: 56px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  height: 32px;
  padding: 0 13px 0 11px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .8);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-xs);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink-2);
  letter-spacing: .02em;
}
.eyebrow .live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 3px rgba(18, 160, 92, .14);
  animation: pulse 2.4s infinite ease-in-out;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(18, 160, 92, .14); }
  50% { box-shadow: 0 0 0 6px rgba(18, 160, 92, .06); }
}

.hero h1 {
  margin-top: 22px;
  font-size: clamp(38px, 4.9vw, 59px);
  line-height: 1.1;
  letter-spacing: -.035em;
  font-weight: 750;
}
.hero h1 .grad {
  background: linear-gradient(100deg, #2f4bff 4%, #7a3ff2 92%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.hero-lead {
  margin-top: 22px;
  max-width: 33em;
  font-size: 16.5px;
  line-height: 1.95;
  color: var(--muted);
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }

.hero-meta {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-top: 42px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}
.hero-meta .stat b {
  display: block;
  font-size: 22px;
  font-weight: 750;
  letter-spacing: -.03em;
  line-height: 1.3;
}
.hero-meta .stat span { font-size: 12.5px; color: var(--muted); letter-spacing: .02em; }
.hero-meta .divider { width: 1px; height: 30px; background: var(--line); }

/* 首屏右侧：服务状态卡 */
.hero-visual { position: relative; }

.hv-frame {
  position: absolute;
  inset: 26px -6px -22px 30px;
  border-radius: 26px;
  background: linear-gradient(160deg, #eef2ff, #f7f4ff 55%, #fff);
  border: 1px solid #e7ecff;
  transform: rotate(2.4deg);
}

.status-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 22px 22px 18px;
  box-shadow: var(--shadow-md);
}

.sc-head { display: flex; align-items: center; justify-content: space-between; padding-bottom: 16px; }
.sc-title { font-size: 13.5px; font-weight: 700; letter-spacing: -.01em; }
.live {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--green);
  background: var(--green-soft);
  padding: 4px 9px;
  border-radius: 999px;
}
.live i { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

.sc-list { display: grid; gap: 2px; }
.sc-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 2px;
  border-bottom: 1px dashed var(--line-2);
}
.sc-list li:last-child { border-bottom: 0; }
.sc-ico {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: var(--soft);
  color: var(--accent);
  border: 1px solid var(--line-2);
}
.sc-ico .ico { width: 17px; height: 17px; }
.sc-name { font-size: 14px; font-weight: 550; color: var(--ink-2); margin-right: auto; }

.chip {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 999px;
  letter-spacing: .02em;
  white-space: nowrap;
}
.chip-on { color: var(--green); background: var(--green-soft); }

.sc-foot {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 16px;
  padding: 15px 4px 4px;
  border-top: 1px solid var(--line);
  text-align: center;
}
.sc-foot b { display: block; font-size: 17px; font-weight: 750; letter-spacing: -.02em; }
.sc-foot span { font-size: 11.5px; color: var(--muted); }

.float-card {
  position: absolute;
  left: -22px;
  bottom: -26px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px 12px 13px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow-sm);
  animation: floaty 6s ease-in-out infinite;
}
@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}
.float-card .fc-ico {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  color: #b7791f;
  background: #fdf6e7;
  border: 1px solid #f6e8c8;
}
.float-card b { display: block; font-size: 13px; line-height: 1.4; }
.float-card span { font-size: 11.5px; color: var(--muted); }

/* --------------------------------------------------------- 通用区块 */
.section { padding: 92px 0; }
.section.soft {
  background: linear-gradient(180deg, #fbfcfe 0%, #fff 100%);
  border-top: 1px solid var(--line-2);
  border-bottom: 1px solid var(--line-2);
}

.sec-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 42px;
}
.sec-label {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--accent);
  text-transform: uppercase;
}
.sec-label::before {
  content: "";
  width: 22px;
  height: 1.5px;
  background: currentColor;
  border-radius: 2px;
  opacity: .55;
}
.sec-head h2 {
  margin-top: 14px;
  font-size: clamp(27px, 3vw, 35px);
  line-height: 1.25;
  letter-spacing: -.03em;
  font-weight: 750;
}
.sec-head p { margin-top: 12px; color: var(--muted); font-size: 15px; max-width: 34em; }
.sec-more { flex: 0 0 auto; }

/* --------------------------------------------------------- 服务卡片 */
.svc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.svc {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 26px 26px 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-xs);
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
  overflow: hidden;
}
.svc::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, #2f4bff, #7a3ff2);
  opacity: 0;
  transition: opacity .22s ease;
}
.svc:hover {
  transform: translateY(-4px);
  border-color: #dde4f2;
  box-shadow: 0 26px 50px -30px rgba(16, 24, 46, .3), 0 2px 6px rgba(12, 19, 34, .04);
}
.svc:hover::after { opacity: 1; }

.svc-top { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 20px; }
.svc-num {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  color: #aeb8ca;
  font-variant-numeric: tabular-nums;
}
.svc-ico {
  width: 44px;
  height: 44px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  color: var(--accent);
  background: linear-gradient(160deg, #f2f5ff, #fbf9ff);
  border: 1px solid #e6ebfb;
  transition: color .22s ease, background .22s ease, transform .22s ease;
}
.svc:hover .svc-ico {
  color: #fff;
  background: linear-gradient(145deg, #3b55ff, #6b3df0);
  border-color: transparent;
  transform: translateY(-1px);
}
.svc-ico .ico { width: 21px; height: 21px; }

.svc h3 { font-size: 18px; font-weight: 700; letter-spacing: -.015em; }
.svc p { margin-top: 10px; font-size: 14px; line-height: 1.85; color: var(--muted); flex: 1; }

.svc-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--line-2);
  font-size: 13.5px;
  font-weight: 650;
  color: var(--ink-2);
  transition: color .18s ease, gap .18s ease;
}
.svc-link .ico { width: 15px; height: 15px; transition: transform .18s ease; }
.svc:hover .svc-link { color: var(--accent); }
.svc:hover .svc-link .ico { transform: translateX(3px); }

/* --------------------------------------------------------- 公告 */
.notice-wrap {
  display: grid;
  grid-template-columns: .82fr 1.18fr;
  gap: 56px;
  align-items: start;
}
.notice-aside h2 {
  margin-top: 14px;
  font-size: clamp(26px, 2.8vw, 33px);
  letter-spacing: -.03em;
  font-weight: 750;
  line-height: 1.28;
}
.notice-aside p { margin-top: 12px; color: var(--muted); font-size: 15px; }
.notice-aside .aside-note {
  margin-top: 26px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  color: #8d97a9;
  padding: 9px 12px;
  border: 1px dashed var(--line);
  border-radius: 10px;
  background: #fff;
}
.notice-aside .aside-note .ico { width: 15px; height: 15px; }

.notice-list {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 6px 26px;
}

.notice-item { padding: 22px 0; border-bottom: 1px solid var(--line-2); }
.notice-item:last-child { border-bottom: 0; }

.nt-meta { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.nt-meta time {
  font-size: 12px;
  color: #98a2b5;
  letter-spacing: .02em;
  font-variant-numeric: tabular-nums;
}
.tag {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--accent-ink);
  background: var(--accent-soft);
  border: 1px solid #e0e6ff;
  padding: 2px 7px;
  border-radius: 6px;
}
.notice-item h3 { font-size: 16px; font-weight: 700; letter-spacing: -.01em; line-height: 1.5; }
.nt-body {
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.9;
  color: var(--muted);
  word-break: break-word;
}
.nt-more { margin-top: 6px; }
.nt-more summary {
  cursor: pointer;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--accent);
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.nt-more summary::-webkit-details-marker { display: none; }
.nt-more summary::after { content: "+"; font-weight: 700; }
.nt-more[open] summary::after { content: "−"; }
.nt-more[open] summary { margin-bottom: 2px; }

.notice-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 64px 24px;
  border: 1px dashed #e2e8f2;
  border-radius: var(--radius);
  background: linear-gradient(180deg, #fcfdff, #fff);
  text-align: center;
}
.notice-empty .ne-ico {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  color: #a9b4c8;
  background: var(--soft);
  border: 1px solid var(--line-2);
}
.notice-empty b { font-size: 14.5px; font-weight: 650; color: var(--ink-2); }
.notice-empty span { font-size: 13px; color: #98a2b5; }

/* --------------------------------------------------------- 关于 */
.about-wrap {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 60px;
  align-items: center;
}
.about-copy h2 {
  margin-top: 14px;
  font-size: clamp(27px, 3vw, 35px);
  letter-spacing: -.03em;
  font-weight: 750;
  line-height: 1.3;
}
.about-copy > p { margin-top: 14px; color: var(--muted); font-size: 15.5px; line-height: 1.95; max-width: 32em; }

.points { display: grid; gap: 4px; margin-top: 30px; }
.points li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line-2);
  font-size: 14.8px;
  color: var(--ink-2);
}
.points li:last-child { border-bottom: 0; }
.pt-check {
  width: 22px;
  height: 22px;
  margin-top: 1px;
  border-radius: 7px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid #e2e8ff;
}
.pt-check .ico { width: 13px; height: 13px; stroke-width: 2.4; }

.about-card {
  position: relative;
  padding: 32px;
  border-radius: 26px;
  background:
    radial-gradient(120% 100% at 100% 0%, #f6f2ff 0%, rgba(255, 255, 255, 0) 58%),
    linear-gradient(180deg, #fbfcff, #fff);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.about-card::before {
  content: "";
  position: absolute;
  right: -60px;
  top: -60px;
  width: 190px;
  height: 190px;
  border-radius: 50%;
  border: 1px solid #eae6ff;
}
.about-card::after {
  content: "";
  position: absolute;
  right: -100px;
  top: -100px;
  width: 270px;
  height: 270px;
  border-radius: 50%;
  border: 1px solid #f0edff;
}
.ac-top { display: flex; align-items: center; gap: 14px; position: relative; }
.avatar {
  width: 56px;
  height: 56px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 22px;
  font-weight: 700;
  background: linear-gradient(145deg, #3b55ff, #6b3df0);
  box-shadow: 0 14px 26px -16px rgba(47, 75, 255, .9), inset 0 1px 0 rgba(255, 255, 255, .3);
}
.ac-name { font-size: 17px; font-weight: 750; letter-spacing: -.02em; }
.ac-role { font-size: 12.5px; color: var(--muted); margin-top: 2px; }
.ac-badge {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--green);
  background: var(--green-soft);
  border: 1px solid #d8f0e4;
  padding: 4px 9px;
  border-radius: 999px;
}
.ac-badge i { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

.ac-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; position: relative; }
.ac-tags span {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink-2);
  background: #fff;
  border: 1px solid var(--line);
  padding: 6px 11px;
  border-radius: 9px;
  box-shadow: var(--shadow-xs);
}

.ac-tiles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 22px;
  position: relative;
}
.ac-tile {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 13px;
  padding: 13px 10px;
  text-align: center;
}
.ac-tile b { display: block; font-size: 16px; font-weight: 750; letter-spacing: -.02em; }
.ac-tile span { font-size: 11px; color: var(--muted); }

/* --------------------------------------------------------- CTA */
.cta-section { padding: 0 0 96px; }
.cta {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 34px;
  padding: 44px 46px;
  border-radius: 26px;
  border: 1px solid #e3e9ff;
  background:
    radial-gradient(80% 140% at 92% 10%, #eae7ff 0%, rgba(255, 255, 255, 0) 60%),
    radial-gradient(70% 120% at 6% 100%, #e8f0ff 0%, rgba(255, 255, 255, 0) 62%),
    #fbfcff;
  box-shadow: var(--shadow-sm);
}
.cta::before {
  content: "";
  position: absolute;
  right: 8%;
  top: -120px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  border: 1px solid rgba(122, 63, 242, .1);
}
.cta-copy { position: relative; max-width: 40em; }
.cta h2 { font-size: clamp(23px, 2.5vw, 29px); letter-spacing: -.03em; font-weight: 750; }
.cta p { margin-top: 10px; color: var(--muted); font-size: 14.8px; line-height: 1.9; }
.cta-actions { display: flex; gap: 11px; flex-wrap: wrap; position: relative; }

/* --------------------------------------------------------- 页脚 */
.footer {
  border-top: 1px solid var(--line);
  padding: 54px 0 26px;
  background: #fff;
}
.footer-in {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
}
.f-brand .brand { margin: 0 0 14px; }
.f-desc { font-size: 13.5px; color: var(--muted); line-height: 1.85; max-width: 26em; }
.f-col h4 {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  color: #98a2b5;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.f-col ul { display: grid; gap: 9px; }
.f-col a, .f-col span { font-size: 13.8px; color: var(--ink-2); }
.f-col a:hover { color: var(--accent); }

.footer-bot {
  margin-top: 44px;
  padding-top: 20px;
  border-top: 1px solid var(--line-2);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 12.5px;
  color: #98a2b5;
}
.footer-bot .fb-links { display: flex; align-items: center; gap: 16px; }
.footer-bot a:hover { color: var(--ink-2); }
.footer-bot .dot-sep { width: 3px; height: 3px; border-radius: 50%; background: #cbd3e0; }

/* --------------------------------------------------------- 滚动动画 */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .7s cubic-bezier(.22, .7, .25, 1), transform .7s cubic-bezier(.22, .7, .25, 1);
  will-change: opacity, transform;
}
.reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .float-card { animation: none; }
}

/* --------------------------------------------------------- 响应式 */
@media (max-width: 1024px) {
  .hero-in { grid-template-columns: 1fr; gap: 52px; }
  .hero { padding: 60px 0 66px; }
  .hero-visual { max-width: 520px; }
  .svc-grid { grid-template-columns: repeat(2, 1fr); }
  .notice-wrap { grid-template-columns: 1fr; gap: 30px; }
  .about-wrap { grid-template-columns: 1fr; gap: 38px; }
  .footer-in { grid-template-columns: 1fr 1fr; }
  .footer-in .f-brand { grid-column: 1 / -1; }
}

@media (max-width: 860px) {
  .nav-links, .nav-actions { display: none; }
  .burger { display: grid; }
  .nav-in { height: 66px; }
  .hero-meta { gap: 18px; flex-wrap: wrap; }
  .sec-head { flex-direction: column; align-items: flex-start; gap: 16px; }
  .cta { flex-direction: column; align-items: flex-start; padding: 34px 28px; }
  .section { padding: 68px 0; }
  .cta-section { padding-bottom: 72px; }
}

@media (max-width: 640px) {
  .wrap { padding: 0 20px; }
  .svc-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: clamp(32px, 8.6vw, 40px); }
  .hero-lead { font-size: 15.5px; }
  .hero-actions .btn { flex: 1; }
  .hero-meta .stat b { font-size: 19px; }
  .hero-meta .divider { display: none; }
  .hero-meta { gap: 14px 26px; }
  .notice-list { padding: 4px 18px; }
  .about-card { padding: 24px; }
  .float-card { left: auto; right: 8px; bottom: -20px; }
  .footer-in { grid-template-columns: 1fr; gap: 28px; }
  .footer-bot { flex-direction: column; align-items: flex-start; }
  .points li { font-size: 14px; }
  .sc-foot b { font-size: 15.5px; }
}