/* ═══════════════════════════════════════════════════════════
   渡岸 · 官网样式
   配色沿用产品设计变量：深藏青 #0A1628 + 品牌蓝 #014DB2
   ═══════════════════════════════════════════════════════════ */

:root {
  --ink: #05080F;
  --ink-2: #080D18;
  --ink-3: #0B1220;
  --line: rgba(255, 255, 255, 0.09);
  --line-soft: rgba(255, 255, 255, 0.06);
  --text: #E9EFFA;
  --text-2: #B7C4D8;
  --muted: #8A99B2;
  --brand: #014DB2;
  --brand-light: #4E9BFF;
  --brand-soft: rgba(78, 155, 255, 0.12);
  --success: #34D399;
  --warning: #F5B455;
  --danger: #F87171;
  --radius: 16px;
  --container: 1180px;
  --font: "PingFang SC", "HarmonyOS Sans SC", "Noto Sans SC", "Source Han Sans SC",
    "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

::selection { background: rgba(78, 155, 255, 0.3); }

a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
img, svg { display: block; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

/* ─────────── 背景层 ─────────── */
.bg-layer {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.bg-grid {
  position: absolute;
  inset: -10% -10% 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 80% 55% at 50% 0%, #000 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 80% 55% at 50% 0%, #000 20%, transparent 78%);
}
.bg-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.5;
}
.bg-glow-a {
  width: 780px; height: 500px;
  top: -220px; left: 50%;
  transform: translateX(-52%);
  background: radial-gradient(circle, rgba(20, 92, 220, 0.55), transparent 68%);
}
.bg-glow-b {
  width: 620px; height: 420px;
  top: 90px; right: -180px;
  background: radial-gradient(circle, rgba(12, 140, 190, 0.28), transparent 70%);
}
.bg-noise {
  position: absolute;
  inset: 0;
  opacity: 0.032;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}

main, .site-header, .footer { position: relative; z-index: 1; }

/* ─────────── 顶部导航 ─────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  transition: background 0.35s ease, border-color 0.35s ease, backdrop-filter 0.35s ease;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(5, 8, 15, 0.72);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-bottom-color: var(--line-soft);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 36px;
  height: 68px;
}

.logo { display: inline-flex; align-items: center; gap: 9px; }
.logo-mark {
  width: 30px; height: 30px;
  display: grid; place-items: center;
  border-radius: 8px;
  color: #fff;
  background: linear-gradient(150deg, #2E7BF6, #01408F);
  box-shadow: 0 4px 14px -4px rgba(46, 123, 246, 0.7), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}
.logo-mark svg { width: 19px; height: 19px; }
.logo-text {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.14em;
}
.logo-sub {
  font-size: 9px;
  letter-spacing: 0.14em;
  color: var(--muted);
  border-left: 1px solid var(--line);
  padding-left: 9px;
  margin-left: 1px;
  white-space: nowrap;
}

.nav-links { display: flex; gap: 26px; margin-left: auto; }
.nav-links a {
  font-size: 13.5px;
  color: var(--text-2);
  position: relative;
  padding: 4px 0;
  transition: color 0.2s;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 1px;
  background: var(--brand-light);
  transition: width 0.25s ease;
}
.nav-links a:hover { color: #fff; }
.nav-links a:hover::after { width: 100%; }

.header-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-radius: 9px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.18s ease, box-shadow 0.25s ease, background 0.25s, border-color 0.25s;
}
.btn-sm { height: 34px; padding: 0 14px; font-size: 13px; border-radius: 8px; }
.btn-primary {
  color: #fff;
  background: linear-gradient(180deg, #2F7DF8, #1058CE);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.22) inset,
    0 10px 26px -12px rgba(38, 112, 240, 0.95);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.26) inset,
    0 16px 34px -14px rgba(38, 112, 240, 1);
}
.btn-ghost {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--line);
  backdrop-filter: blur(6px);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.18);
}
.btn:focus-visible, a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 2px solid #6FB0FF;
  outline-offset: 3px;
}

/* ─────────── HERO ─────────── */
.hero { padding: 78px 0 0; }
.hero-inner { max-width: 780px; margin: 0 auto; text-align: center; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #8FBDFF;
  padding: 6px 13px 6px 11px;
  border: 1px solid rgba(78, 155, 255, 0.26);
  border-radius: 999px;
  background: rgba(78, 155, 255, 0.07);
  margin-bottom: 26px;
}
.eyebrow-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: #5AA2FF;
  box-shadow: 0 0 0 3px rgba(90, 162, 255, 0.18);
  animation: pulse 2.8s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.55; transform: scale(0.86); }
}

.h1 {
  margin: 0 0 22px;
  font-size: clamp(38px, 5.4vw, 68px);
  line-height: 1.1;
  font-weight: 600;
  letter-spacing: -0.025em;
}
.h1-accent {
  background: linear-gradient(100deg, #FFFFFF 8%, #9CC8FF 52%, #4E9BFF 92%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lead {
  margin: 0 auto;
  max-width: 620px;
  font-size: 16.5px;
  line-height: 1.75;
  color: var(--text-2);
}
.hero-cta { display: flex; justify-content: center; gap: 12px; margin-top: 32px; flex-wrap: wrap; }
.hero-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-top: 26px;
  font-size: 13px;
  color: var(--muted);
  flex-wrap: wrap;
}
.hero-meta b { color: #DCE8FA; font-weight: 600; font-size: 14px; }
.hero-meta .dot { width: 3px; height: 3px; border-radius: 50%; background: rgba(255, 255, 255, 0.22); }

/* ─────────── 产品窗口 ─────────── */
.window-wrap {
  position: relative;
  margin-top: 58px;
  perspective: 2200px;
}
.window {
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  background: #0A1120;
  overflow: hidden;
  transform: rotateX(5deg);
  transform-origin: 50% 0;
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.5),
    0 40px 90px -30px rgba(0, 0, 0, 0.95),
    0 0 120px -40px rgba(38, 112, 240, 0.45);
  transition: transform 0.9s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.window-wrap:hover .window { transform: rotateX(0deg); }

.window-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  height: 40px;
  padding: 0 14px;
  background: linear-gradient(180deg, #121A2B, #0C1322);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}
.wd { width: 9px; height: 9px; border-radius: 50%; background: #2C3A52; }
.window-url {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0 auto;
  height: 24px;
  padding: 0 12px;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 11px;
  color: #7E90AC;
  font-family: var(--mono);
}
.window-url svg { width: 11px; height: 11px; }
.window-tenant { font-size: 11px; color: #5F708C; min-width: 150px; text-align: right; }

.app { display: flex; height: 560px; font-size: 12px; }
.app-side {
  width: 186px;
  flex-shrink: 0;
  background: linear-gradient(180deg, #0A1628, #081120);
  border-right: 1px solid rgba(255, 255, 255, 0.06);
  padding: 14px 10px;
}
.app-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 8px 14px;
  margin-bottom: 6px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  font-size: 12.5px;
  font-weight: 500;
  color: #fff;
}
.app-brand-mark {
  width: 22px; height: 22px;
  display: grid; place-items: center;
  border-radius: 5px;
  background: #2E7BF6;
  font-size: 11px;
}
.app-navgroup {
  padding: 10px 8px 4px;
  font-size: 9.5px;
  letter-spacing: 0.1em;
  color: #4E5F78;
}
.app-nav-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 9px;
  border-radius: 5px;
  color: #93A3BA;
  font-size: 11.5px;
}
.app-nav-item i {
  width: 11px; height: 11px;
  border-radius: 3px;
  border: 1px solid #37485F;
  flex-shrink: 0;
}
.app-nav-item.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}
.app-nav-item.active::before {
  content: "";
  position: absolute;
  left: -10px; top: 4px; bottom: 4px;
  width: 2px;
  background: #4E9BFF;
}
.app-nav-item.active i { background: #4E9BFF; border-color: #4E9BFF; }
.badge-mini {
  margin-left: auto;
  font-size: 9.5px;
  color: #A9BBD2;
  background: rgba(255, 255, 255, 0.08);
  padding: 0 5px;
  border-radius: 3px;
}
.badge-dot {
  width: 5px; height: 5px;
  margin-left: auto;
  border-radius: 50%;
  background: #F87171;
}

.app-main {
  flex: 1;
  min-width: 0;
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background:
    radial-gradient(700px 260px at 70% -10%, rgba(46, 123, 246, 0.1), transparent 70%),
    #070D19;
}
.app-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; }
.app-title { font-size: 16px; font-weight: 600; letter-spacing: -0.01em; }
.app-sub { font-size: 10.5px; color: #7286A0; margin-top: 3px; }
.app-search {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 27px;
  padding: 0 9px;
  min-width: 190px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  background: rgba(255, 255, 255, 0.035);
  color: #6B7F9A;
  font-size: 10.5px;
}
.app-search svg { width: 12px; height: 12px; }
.app-search kbd {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 9px;
  color: #63758E;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  padding: 0 3px;
}

.kpi-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 9px; }
.kpi {
  padding: 9px 11px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.012));
}
.kpi-label { font-size: 10px; color: #7286A0; }
.kpi-value { font-size: 22px; font-weight: 600; letter-spacing: -0.02em; margin-top: 3px; }
.kpi-value span { font-size: 11px; font-weight: 400; color: #93A3BA; margin-left: 1px; }
.kpi-value.warn { color: #F5B455; }
.kpi-foot { font-size: 9.5px; color: #64778F; margin-top: 2px; }
.kpi-foot.up { color: #34D399; }

.app-two { display: grid; grid-template-columns: 1.45fr 1fr; gap: 9px; }
.panel {
  padding: 11px 12px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.01));
}
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  color: #B9C8DC;
  margin-bottom: 8px;
}
.panel-tag { font-size: 9.5px; color: #63758E; }
.chart { width: 100%; height: 62px; }

.phase-mini { display: flex; flex-direction: column; gap: 7px; }
.phase-mini > div {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 10.5px;
  color: #93A3BA;
}
.phase-mini b { margin-left: auto; color: #DCE8FA; font-weight: 500; }
.pm-dot { width: 5px; height: 5px; border-radius: 50%; }
.pm-dot.c1 { background: #34D399; }
.pm-dot.c2 { background: #4E9BFF; }
.pm-dot.c3 { background: #A78BFA; }
.pm-dot.c4 { background: #F5B455; }

.table-panel { flex: 1; }
.tbl { width: 100%; border-collapse: collapse; }
.tbl th {
  text-align: left;
  font-size: 9.5px;
  font-weight: 500;
  color: #5F728B;
  padding: 0 0 6px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.tbl td {
  font-size: 10.5px;
  color: #C3D1E4;
  padding: 7px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.045);
}
.tbl tr:last-child td { border-bottom: none; }
.tbl td:first-child { display: flex; align-items: center; gap: 7px; }
.ava {
  width: 18px; height: 18px;
  border-radius: 50%;
  display: inline-grid;
  place-items: center;
  font-size: 9px;
  color: #CFE0F6;
  background: rgba(78, 155, 255, 0.18);
  border: 1px solid rgba(78, 155, 255, 0.28);
}
.chip {
  display: inline-block;
  font-size: 9.5px;
  padding: 2px 7px;
  border-radius: 4px;
  color: #93A3BA;
  background: rgba(255, 255, 255, 0.06);
  white-space: nowrap;
}
.chip.warn { color: #F5B455; background: rgba(245, 180, 85, 0.13); }
.chip.danger { color: #F87171; background: rgba(248, 113, 113, 0.13); }
.chip.ok { color: #34D399; background: rgba(52, 211, 153, 0.12); }

.window-fade {
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 130px;
  background: linear-gradient(180deg, rgba(5, 8, 15, 0), var(--ink) 82%);
  pointer-events: none;
}

/* ─────────── 信任条 ─────────── */
.hero-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  padding: 26px 0 10px;
  font-size: 12.5px;
  color: #6F819B;
  flex-wrap: wrap;
}
.hero-strip span { position: relative; padding-left: 14px; }
.hero-strip span::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  width: 4px; height: 4px;
  margin-top: -2px;
  border-radius: 50%;
  background: rgba(78, 155, 255, 0.55);
}
.hero-strip em {
  font-style: normal;
  color: #A9BBD2;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px 12px;
  font-size: 11.5px;
}

/* ─────────── 通用 section ─────────── */
.section { padding: 112px 0; }
.section-alt {
  background:
    radial-gradient(900px 420px at 50% 0%, rgba(20, 70, 170, 0.14), transparent 72%);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}
.sec-head { max-width: 700px; margin-bottom: 56px; }
.sec-head .eyebrow { margin-bottom: 18px; }
.h2 {
  margin: 0 0 16px;
  font-size: clamp(26px, 3.1vw, 40px);
  line-height: 1.25;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.section-lead {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text-2);
  max-width: 660px;
}

/* ─────────── 痛点 ─────────── */
.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}
.pain {
  padding: 30px 30px 30px 0;
  border-right: 1px solid var(--line-soft);
}
.pain:last-child { border-right: none; padding-right: 0; }
.pain + .pain { padding-left: 30px; }
.pain-no {
  font-family: var(--mono);
  font-size: 11px;
  color: #5E718B;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}
.pain h3 {
  margin: 0 0 12px;
  font-size: 17px;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: -0.01em;
}
.pain p { margin: 0; font-size: 14px; line-height: 1.85; color: var(--muted); }

/* ─────────── 卡片通用 ─────────── */
.card {
  position: relative;
  padding: 26px 26px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(170deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.012) 55%);
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
.card::before {
  content: "";
  position: absolute;
  top: 0; left: 12%; right: 12%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.28), transparent);
}
.card:hover {
  transform: translateY(-3px);
  border-color: rgba(78, 155, 255, 0.3);
  box-shadow: 0 24px 50px -30px rgba(30, 110, 240, 0.8);
}
.card h3 {
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--muted);
}
.card-icon {
  width: 34px; height: 34px;
  display: grid; place-items: center;
  border-radius: 9px;
  margin-bottom: 16px;
  color: #8FC0FF;
  background: rgba(78, 155, 255, 0.1);
  border: 1px solid rgba(78, 155, 255, 0.2);
}
.card-icon svg { width: 18px; height: 18px; }

/* Bento 布局 */
.bento {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}
.card-wide { grid-column: span 4; display: flex; flex-direction: column; }
.card-tall { grid-column: span 2; grid-row: span 2; display: flex; flex-direction: column; }
.bento > .card:not(.card-wide):not(.card-tall) { grid-column: span 2; }

.card-wide .card-top { display: flex; gap: 18px; }
.card-wide .card-icon { flex-shrink: 0; margin-bottom: 0; }
.card-wide h3 { font-size: 18px; }

.card-visual { margin-top: 20px; }
.mini-lead {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 11px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  background: rgba(255, 255, 255, 0.03);
  margin-bottom: 8px;
}
.mini-lead.dim { opacity: 0.62; }
.mini-lead .av {
  width: 26px; height: 26px;
  font-size: 11px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(78, 155, 255, 0.14);
  color: #A9CDFF;
  border: 1px solid rgba(78, 155, 255, 0.24);
  flex-shrink: 0;
}
.ml-main { min-width: 0; flex: 1; }
.ml-main b { display: block; font-size: 12.5px; font-weight: 500; color: #DCE8FA; }
.ml-main small { display: block; font-size: 11px; color: #6F819B; margin-top: 1px; }

.mini-track { display: flex; flex-direction: column; gap: 6px; }
.mt-row {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 10px;
  border-radius: 7px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.022);
  font-size: 11.5px;
  color: #A9BBD2;
}
.mt-row.cur {
  border-color: rgba(78, 155, 255, 0.34);
  background: rgba(78, 155, 255, 0.09);
  color: #EAF3FF;
}
.mt-n {
  width: 16px; height: 16px;
  border-radius: 50%;
  display: grid; place-items: center;
  font-size: 9px;
  color: #7E90AC;
  border: 1px solid rgba(255, 255, 255, 0.14);
  flex-shrink: 0;
}
.mt-row.cur .mt-n { background: #2E7BF6; border-color: #2E7BF6; color: #fff; }
.mt-t { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mt-s { font-size: 10px; color: #63758E; }
.mt-s.ok { color: #34D399; }
.mt-s.now { color: #8FC0FF; }

/* ─────────── 阶段引擎 ─────────── */
.engine {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 64px;
  align-items: start;
}
.engine-copy .eyebrow { margin-bottom: 18px; }
.feature-list { list-style: none; margin: 34px 0 0; padding: 0; }
.feature-list li {
  display: flex;
  gap: 16px;
  padding: 18px 0;
  border-top: 1px solid var(--line-soft);
}
.feature-list li:last-child { border-bottom: 1px solid var(--line-soft); }
.fl-no {
  font-family: var(--mono);
  font-size: 11px;
  color: #5E718B;
  padding-top: 3px;
  flex-shrink: 0;
}
.feature-list b { font-size: 14.5px; font-weight: 500; }
.feature-list p {
  margin: 5px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

.engine-visual { position: relative; }
.phase-board {
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background:
    radial-gradient(600px 220px at 80% 0%, rgba(46, 123, 246, 0.12), transparent 70%),
    #070D19;
  padding: 16px;
  box-shadow: 0 30px 70px -40px rgba(0, 0, 0, 0.9);
}
.guide-pop {
  position: relative;
  z-index: 2;
  width: min(360px, 92%);
  margin: -72px 22px 0 auto;
  padding: 16px 18px 14px;
  border-radius: 12px;
  border: 1px solid rgba(120, 175, 255, 0.32);
  background: linear-gradient(170deg, #0E1727, #0A111D);
  box-shadow:
    0 30px 60px -24px rgba(0, 0, 0, 0.95),
    0 0 60px -24px rgba(46, 123, 246, 0.7);
  backdrop-filter: blur(10px);
}
.phase-board-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: #C3D1E4;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  margin-bottom: 12px;
}
.pb-progress { font-size: 10.5px; color: #6F819B; }
.phase-cols { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.pcol {
  padding: 9px 8px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.02);
  min-height: 168px;
}
.pcol.cur {
  border-color: rgba(78, 155, 255, 0.36);
  background: rgba(46, 123, 246, 0.07);
}
.pcol-head {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 10.5px;
  color: #B9C8DC;
  padding-bottom: 7px;
  margin-bottom: 7px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.pcol-head em {
  margin-left: auto;
  font-style: normal;
  font-size: 9px;
  color: #63758E;
}
.pdot { width: 5px; height: 5px; border-radius: 50%; background: #34D399; flex-shrink: 0; }
.pcol.cur .pdot { background: #4E9BFF; }
.pcol:not(.done):not(.cur) .pdot { background: #4A5B74; }
.pitem {
  font-size: 10.5px;
  color: #8598B2;
  padding: 5px 6px;
  border-radius: 4px;
  line-height: 1.4;
}
.pitem + .pitem { margin-top: 2px; }
.pcol.done .pitem { color: #6F819B; text-decoration: line-through; text-decoration-color: rgba(255, 255, 255, 0.16); }
.pitem.act {
  color: #EAF3FF;
  background: rgba(78, 155, 255, 0.14);
  box-shadow: inset 0 0 0 1px rgba(78, 155, 255, 0.28);
}

.gp-head { display: flex; align-items: center; gap: 8px; margin-bottom: 9px; }
.gp-tag {
  font-size: 9.5px;
  letter-spacing: 0.06em;
  color: #9CC8FF;
  background: rgba(78, 155, 255, 0.14);
  border: 1px solid rgba(78, 155, 255, 0.24);
  border-radius: 4px;
  padding: 2px 6px;
  white-space: nowrap;
}
.gp-title { font-size: 12.5px; font-weight: 500; color: #EAF3FF; }
.gp-desc { margin: 0 0 10px; font-size: 11.5px; line-height: 1.7; color: #8598B2; }
.gp-steps { margin: 0; padding: 0; list-style: none; counter-reset: gs; }
.gp-steps li {
  counter-increment: gs;
  position: relative;
  padding-left: 22px;
  font-size: 11.5px;
  line-height: 1.65;
  color: #B7C4D8;
  margin-bottom: 6px;
}
.gp-steps li::before {
  content: counter(gs);
  position: absolute;
  left: 0; top: 2px;
  width: 14px; height: 14px;
  border-radius: 50%;
  display: grid; place-items: center;
  font-size: 8.5px;
  color: #8FC0FF;
  background: rgba(78, 155, 255, 0.14);
}
.gp-warn {
  margin: 10px 0 0;
  padding: 8px 10px;
  font-size: 11px;
  line-height: 1.65;
  color: #E7B77E;
  background: rgba(245, 180, 85, 0.09);
  border-left: 2px solid rgba(245, 180, 85, 0.5);
  border-radius: 0 4px 4px 0;
}
.gp-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 11px;
  padding-top: 9px;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  font-size: 10.5px;
  color: #63758E;
}
.gp-link { color: #8FC0FF; }

/* ─────────── 客户进度页 ─────────── */
.portal {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 80px;
  align-items: center;
}
.portal-copy .eyebrow { margin-bottom: 18px; }
.pill-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
.pill {
  font-size: 12px;
  color: #A9BBD2;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.035);
  border-radius: 999px;
  padding: 5px 13px;
}

.phone {
  position: relative;
  width: 320px;
  height: 620px;
  padding: 10px;
  border-radius: 40px;
  background: linear-gradient(160deg, #1B2436, #0B1220 40%, #131C2C);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow:
    0 50px 90px -40px rgba(0, 0, 0, 0.95),
    0 0 90px -40px rgba(46, 123, 246, 0.6),
    inset 0 1px 0 rgba(255, 255, 255, 0.16);
  justify-self: center;
}
.phone-notch {
  position: absolute;
  top: 18px; left: 50%;
  transform: translateX(-50%);
  width: 78px; height: 6px;
  border-radius: 999px;
  background: #060B14;
  z-index: 3;
}
.phone-screen {
  height: 100%;
  border-radius: 32px;
  background: #F6F8FC;
  color: #0A1628;
  padding: 34px 16px 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.ph-top { text-align: left; }
.ph-brand { font-size: 10px; letter-spacing: 0.12em; color: #8A97AC; }
.ph-title { font-size: 19px; font-weight: 600; letter-spacing: -0.01em; margin-top: 4px; }
.ph-sub { font-size: 10.5px; color: #7C8AA0; margin-top: 3px; }
.ph-progress { background: #fff; border: 1px solid #E7ECF3; border-radius: 10px; padding: 11px 12px; }
.ph-bar { height: 4px; border-radius: 999px; background: #E7ECF3; overflow: hidden; }
.ph-bar span { display: block; height: 100%; border-radius: 999px; background: linear-gradient(90deg, #014DB2, #4E9BFF); }
.ph-meta {
  display: flex;
  justify-content: space-between;
  font-size: 9.5px;
  color: #7C8AA0;
  margin-top: 7px;
}
.ph-card { background: #fff; border: 1px solid #E7ECF3; border-radius: 10px; padding: 11px 12px; }
.ph-card.now { border-color: rgba(78, 155, 255, 0.5); box-shadow: 0 6px 18px -10px rgba(1, 77, 178, 0.5); }
.ph-card-label { font-size: 9.5px; color: #8A97AC; margin-bottom: 4px; }
.ph-card.now .ph-card-label::before {
  content: "";
  display: inline-block;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: #2E7BF6;
  margin-right: 5px;
  vertical-align: 1px;
}
.ph-card-title { font-size: 13px; font-weight: 600; margin-bottom: 8px; }
.ph-card-row {
  display: flex;
  justify-content: space-between;
  font-size: 10.5px;
  color: #7C8AA0;
  padding: 3px 0;
}
.ph-card-row b { color: #0A1628; font-weight: 500; }
.ph-todo {
  font-size: 11px;
  color: #374151;
  padding: 6px 0 6px 15px;
  position: relative;
  border-bottom: 1px dashed #EDF1F7;
}
.ph-todo:last-child { border-bottom: none; }
.ph-todo::before {
  content: "";
  position: absolute;
  left: 0; top: 10px;
  width: 7px; height: 7px;
  border-radius: 2px;
  border: 1px solid #B9C6D8;
}
.ph-foot { margin-top: auto; font-size: 9.5px; color: #9AA6B8; text-align: center; }

/* ─────────── 三列网格 ─────────── */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.swatches { display: flex; align-items: center; gap: 7px; margin-top: 18px; }
.swatches span {
  width: 22px; height: 22px;
  border-radius: 6px;
  background: var(--sw);
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 4px 10px -6px rgba(0, 0, 0, 0.9);
}
.swatches .sw-label { width: auto; height: auto; background: none; border: none; box-shadow: none; font-size: 10.5px; color: #63758E; margin-left: 4px; }

.org-card {
  padding: 26px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(170deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.012));
}
.org-card h3 { margin: 0 0 4px; font-size: 16px; font-weight: 500; }
.org-size { margin: 0 0 14px; font-size: 11.5px; letter-spacing: 0.06em; color: #7F9BC0; }
.org-card p:last-child { margin: 0; font-size: 13.5px; line-height: 1.85; color: var(--muted); }

/* ─────────── 数字 ─────────── */
.metrics-section { padding: 0; }
.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.metric {
  padding: 38px 26px 38px 0;
  border-right: 1px solid var(--line-soft);
}
.metric + .metric { padding-left: 26px; }
.metric:last-child { border-right: none; }
.metric b {
  display: block;
  font-size: clamp(34px, 3.6vw, 46px);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1;
  background: linear-gradient(180deg, #FFFFFF, #9CC8FF);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-variant-numeric: tabular-nums;
}
.metric span {
  display: block;
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ─────────── 上线路径 ─────────── */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}
.step { padding: 28px 26px 0 0; position: relative; }
.step + .step { padding-left: 26px; border-left: 1px solid var(--line-soft); }
.step::before {
  content: "";
  position: absolute;
  top: -4px; left: 0;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #2E7BF6;
  box-shadow: 0 0 0 4px rgba(46, 123, 246, 0.16);
}
.step + .step::before { left: 26px; }
.step-no {
  font-family: var(--mono);
  font-size: 11px;
  color: #7F9BC0;
  margin-bottom: 12px;
}
.step h3 { margin: 0 0 9px; font-size: 15px; font-weight: 500; }
.step p { margin: 0; font-size: 13px; line-height: 1.8; color: var(--muted); }

/* ─────────── FAQ ─────────── */
.faq-wrap { display: grid; grid-template-columns: 340px 1fr; gap: 64px; align-items: start; }
.faq-wrap .sec-head { margin-bottom: 0; position: sticky; top: 100px; }
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line-soft); }
.faq summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 0;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  list-style: none;
  transition: color 0.2s;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "";
  width: 12px; height: 12px;
  margin-left: auto;
  flex-shrink: 0;
  border-right: 1.4px solid #7F9BC0;
  border-bottom: 1.4px solid #7F9BC0;
  transform: rotate(45deg) translateY(-2px);
  transition: transform 0.3s ease;
}
.faq details[open] summary::after { transform: rotate(225deg) translateY(-2px); }
.faq summary:hover { color: #fff; }
.faq-a {
  padding: 0 40px 22px 0;
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--muted);
}

/* ─────────── CTA ─────────── */
.cta-section { padding: 40px 0 120px; }
.cta-card {
  position: relative;
  padding: 72px 40px;
  border-radius: 22px;
  border: 1px solid rgba(120, 175, 255, 0.24);
  background:
    radial-gradient(600px 300px at 50% 0%, rgba(30, 100, 230, 0.28), transparent 70%),
    linear-gradient(180deg, #0B1425, #070C17);
  text-align: center;
  overflow: hidden;
}
.cta-glow {
  position: absolute;
  top: -120px; left: 50%;
  width: 560px; height: 240px;
  transform: translateX(-50%);
  background: radial-gradient(ellipse, rgba(78, 155, 255, 0.35), transparent 70%);
  filter: blur(40px);
  pointer-events: none;
}
.cta-card .eyebrow { margin-bottom: 20px; }
.cta-card .section-lead { margin: 0 auto; max-width: 560px; }
.cta-card .hero-cta { margin-top: 30px; }
.cta-note { margin-top: 18px; font-size: 12px; color: #63758E; }

/* ─────────── 页脚 ─────────── */
.footer {
  border-top: 1px solid var(--line-soft);
  background: rgba(4, 7, 13, 0.6);
  padding: 56px 0 28px;
}
.footer-inner { display: flex; gap: 80px; justify-content: space-between; }
.footer-brand p { margin: 16px 0 0; font-size: 13px; line-height: 1.8; color: var(--muted); }
.footer-cols { display: flex; gap: 72px; }
.footer-cols h4 {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: #5E718B;
  font-weight: 500;
}
.footer-cols a, .footer-cols span {
  display: block;
  font-size: 13px;
  color: #A9BBD2;
  margin-bottom: 9px;
  transition: color 0.2s;
}
.footer-cols a:hover { color: #fff; }
.footer-muted { color: #5E718B !important; font-size: 12px !important; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 46px;
  padding-top: 22px;
  border-top: 1px solid var(--line-soft);
  font-size: 12px;
  color: #6F819B;
  flex-wrap: wrap;
}

/* ─────────── 弹窗 ─────────── */
.modal { position: fixed; inset: 0; z-index: 120; display: grid; place-items: center; padding: 20px; }
.modal[hidden] { display: none; }
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(3, 6, 12, 0.72);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.modal-card {
  position: relative;
  width: min(440px, 100%);
  padding: 32px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: linear-gradient(180deg, #0D1524, #080E1A);
  box-shadow: 0 40px 80px -30px rgba(0, 0, 0, 0.95);
  animation: modalIn 0.28s cubic-bezier(0.2, 0.8, 0.2, 1);
}
@keyframes modalIn {
  from { opacity: 0; transform: translateY(10px) scale(0.99); }
  to { opacity: 1; transform: none; }
}
.modal-card h3 { margin: 0 0 8px; font-size: 19px; font-weight: 600; }
.modal-sub { margin: 0 0 22px; font-size: 13px; line-height: 1.75; color: var(--muted); }
.modal-close {
  position: absolute;
  top: 14px; right: 14px;
  width: 28px; height: 28px;
  border-radius: 7px;
  border: 1px solid var(--line);
  background: transparent;
  color: #93A3BA;
  font-size: 17px;
  line-height: 1;
  cursor: pointer;
}
.modal-close:hover { background: rgba(255, 255, 255, 0.06); color: #fff; }
.demo-form { display: flex; flex-direction: column; gap: 13px; }
.demo-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12px;
  color: #93A3BA;
}
.demo-form input, .demo-form select {
  height: 40px;
  padding: 0 12px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-size: 13.5px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s, background 0.2s;
}
.demo-form input:focus, .demo-form select:focus {
  border-color: rgba(78, 155, 255, 0.6);
  background: rgba(255, 255, 255, 0.06);
}
.demo-form input::placeholder { color: #546A85; }
.demo-form select option { background: #0D1524; }
.demo-form .btn { margin-top: 6px; width: 100%; }
.form-hint { margin: 0; font-size: 11.5px; line-height: 1.6; color: #7F9BC0; min-height: 18px; }
.form-hint.err { color: #F87171; }

/* ─────────── 动效 ─────────── */
.js .reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.2, 0.8, 0.2, 1); }
.js .reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .window { transform: none; }
  .eyebrow-dot { animation: none; }
  * { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}

/* ─────────── 响应式 ─────────── */
@media (max-width: 1080px) {
  .engine { grid-template-columns: 1fr; gap: 44px; }
  .portal { grid-template-columns: 1fr; gap: 48px; justify-items: start; }
  .phone { justify-self: start; }
  .faq-wrap { grid-template-columns: 1fr; gap: 32px; }
  .faq-wrap .sec-head { position: static; }
  .bento { grid-template-columns: repeat(4, 1fr); }
  .card-wide { grid-column: span 4; }
  .card-tall { grid-column: span 4; grid-row: auto; }
  .bento > .card:not(.card-wide):not(.card-tall) { grid-column: span 2; }
  .app { height: 500px; }
  .nav-links { display: none; }
}

@media (max-width: 860px) {
  /* minmax(0,1fr) 防止 grid 子项（如 320px 固定宽的手机样机）把轨道撑出视口 */
  .portal { grid-template-columns: minmax(0, 1fr); }
  .container { padding: 0 20px; }
  .section { padding: 76px 0; }
  .hero { padding-top: 52px; }
  .h1 { font-size: clamp(32px, 8vw, 44px); }
  .lead { font-size: 15px; }
  .app-side { display: none; }
  .app { height: auto; }
  .app-main { padding: 14px; }
  .kpi-row { grid-template-columns: repeat(2, 1fr); }
  .app-two { grid-template-columns: 1fr; }
  .table-panel { display: none; }
  .window-tenant { display: none; }
  .window { transform: none; }
  .pain-grid { grid-template-columns: 1fr; }
  .pain, .pain + .pain { padding: 26px 0; border-right: none; border-bottom: 1px solid var(--line-soft); }
  .pain:last-child { border-bottom: none; }
  .grid-3 { grid-template-columns: 1fr; }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .metric { padding: 26px 18px 26px 0; }
  .metric:nth-child(2) { border-right: none; }
  .metric:nth-child(3), .metric:nth-child(4) { border-top: 1px solid var(--line-soft); }
  .metric + .metric { padding-left: 18px; }
  .steps { grid-template-columns: 1fr; border-top: none; }
  .step { padding: 22px 0; border-left: none !important; border-bottom: 1px solid var(--line-soft); padding-left: 22px !important; }
  .step::before, .step + .step::before { left: 0; top: 26px; }
  .guide-pop { position: relative; right: auto; bottom: auto; width: 100%; margin-top: 14px; }
  .phase-cols { grid-template-columns: repeat(2, 1fr); }
  .phone { width: 320px; max-width: 100%; height: 600px; }
  .footer-inner { flex-direction: column; gap: 40px; }
  .footer-cols { gap: 40px; flex-wrap: wrap; }
  .cta-card { padding: 52px 22px; }
  .header-actions .btn-ghost { display: none; }
  .logo-sub { display: none; }
}

@media (max-width: 520px) {
  .bento { grid-template-columns: 1fr; }
  /* 1080 断点的 :not() 链特异性更高，这里必须用 !important 才能压平成单列 */
  .bento > * { grid-column: auto !important; grid-row: auto !important; }
  .phase-cols { grid-template-columns: 1fr 1fr; }
  .pcol { min-height: auto; }
  .hero-strip { gap: 12px; font-size: 11.5px; }
  .hero-strip em { display: none; }
  .modal-card { padding: 26px 20px; }
}

/* ══════════ 价格 ══════════ */
.pricing-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 22px;
  align-items: stretch;
}
.price-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 34px 32px 28px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--ink-2);
}
.price-card.featured {
  border-color: rgba(78, 155, 255, 0.4);
  background:
    radial-gradient(520px 240px at 12% 0%, rgba(78, 155, 255, 0.14), transparent 70%),
    var(--ink-2);
  box-shadow: 0 30px 80px -50px rgba(78, 155, 255, 0.55);
}
.price-card.ghost { background: transparent; }
.price-badge {
  position: absolute;
  top: 26px;
  right: 26px;
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid rgba(78, 155, 255, 0.45);
  background: var(--brand-soft);
  color: var(--brand-light);
  font-size: 12px;
  letter-spacing: 0.04em;
}
.price-card h3 { margin: 0 0 6px; font-size: 19px; font-weight: 600; color: var(--text); }
.price-desc { margin: 0 0 22px; font-size: 13.5px; line-height: 1.75; color: var(--muted); }
.price-line { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-bottom: 24px; }
.price-old { color: var(--muted); font-size: 15px; }
.price-old del { opacity: 0.75; }
.price-now {
  font-size: 42px;
  font-weight: 650;
  letter-spacing: -0.02em;
  color: var(--brand-light);
  font-variant-numeric: tabular-nums;
}
.price-unit { font-size: 15px; font-weight: 400; color: var(--muted); margin-left: 2px; }
.price-list {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  gap: 9px;
}
.price-list li {
  position: relative;
  padding-left: 22px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--text-2);
}
.price-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 8px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--brand-light);
  opacity: 0.85;
}
.price-card.ghost .price-list li::before { background: var(--muted); }
.btn-block { width: 100%; margin-top: auto; }
.price-note { margin: 12px 0 0; font-size: 12px; color: var(--muted); text-align: center; }

@media (max-width: 860px) {
  .pricing-grid { grid-template-columns: minmax(0, 1fr); }
  .price-card { padding: 28px 22px 24px; }
  .price-now { font-size: 36px; }
}

/* ─────────── 卡片光斑跟随（spotlight，鼠标位置驱动径向光） ─────────── */
/* JS 把鼠标坐标写进 --spot-x/--spot-y；无 JS 时 ::after 不透明度为 0，不产生任何退化 */
.card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  opacity: 0;
  transition: opacity 0.35s ease;
  background: radial-gradient(340px circle at var(--spot-x, 50%) var(--spot-y, 50%),
    rgba(78, 155, 255, 0.11), transparent 65%);
  pointer-events: none;
}
.card:hover::after { opacity: 1; }

/* ─────────── 主按钮光泽扫过（shine sweep） ─────────── */
.btn-primary {
  position: relative;
  overflow: hidden;
}
.btn-primary::after {
  content: "";
  position: absolute;
  top: 0;
  left: -80%;
  width: 55%;
  height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.28), transparent);
  transform: skewX(-20deg);
  pointer-events: none;
}
.btn-primary:hover::after { animation: shine-sweep 0.85s ease; }
@keyframes shine-sweep { to { left: 150%; } }

@media (prefers-reduced-motion: reduce) {
  .btn-primary:hover::after { animation: none; }
}