* { box-sizing: border-box; }
:root {
  --bg: #060b16;
  --panel: rgba(15, 23, 42, .78);
  --panel-strong: rgba(30, 41, 59, .82);
  --ink: #f8fafc;
  --muted: #94a3b8;
  --line: rgba(148, 163, 184, .16);
  --blue: #2563eb;
  --purple: #7c3aed;
  --cyan: #06b6d4;
  --green: #22c55e;
  --shadow: 0 24px 80px rgba(0, 0, 0, .28);
  --radius-card: 20px;
  --radius-stat: 16px;
  --radius-inner: 14px;
  --radius-pill: 999px;
  --font-display: 800;
  --font-strong: 700;
  --font-normal: 600;
}
body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 0%, rgba(37, 99, 235, .25), transparent 25%),
    radial-gradient(circle at 86% 4%, rgba(124, 58, 237, .22), transparent 24%),
    linear-gradient(180deg, #060b16 0%, #0f172a 52%, #0b1120 100%);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
}
a { color: inherit; text-decoration: none; }
.nav {
  height: 76px;
  padding: 0 7vw;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(6, 11, 22, .84);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}
.brand { display: flex; align-items: center; gap: 12px; font-size: 20px; font-weight: var(--font-display); letter-spacing: -.4px; }
.brand-mark { width: 38px; height: 38px; border-radius: 12px; background: linear-gradient(135deg, var(--blue), var(--purple)); box-shadow: 0 16px 34px rgba(37, 99, 235, .28); }
.nav-links { display: flex; align-items: center; gap: 22px; color: #cbd5e1; font-size: 14px; font-weight: var(--font-strong); }
.nav-links a.active { color: #fff; }
.nav-menu { position: relative; }
.nav-menu > a { display: inline-flex; align-items: center; gap: 6px; }
.nav-menu > a::after { content: "▾"; color: #94a3b8; font-size: 10px; transform: translateY(1px); }
.nav-submenu {
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  min-width: 210px;
  padding: 10px;
  border-radius: var(--radius-inner);
  background: rgba(15, 23, 42, .96);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  transform: translateX(-50%) translateY(8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity .16s ease, transform .16s ease;
}
.nav-submenu::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -16px;
  height: 16px;
}
.nav-submenu a {
  display: block;
  padding: 11px 12px;
  border-radius: 12px;
  color: #cbd5e1;
  white-space: nowrap;
}
.nav-submenu a:hover, .nav-submenu a.active { color: #fff; background: rgba(37, 99, 235, .18); }
.nav-menu:hover .nav-submenu, .nav-menu:focus-within .nav-submenu {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.nav-actions { display: flex; align-items: center; gap: 12px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: var(--radius-pill);
  padding: 12px 20px;
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--purple));
  box-shadow: 0 16px 34px rgba(37, 99, 235, .22);
  font-size: 14px;
  font-weight: var(--font-display);
  cursor: pointer;
}
.btn.ghost { color: #e5e7eb; background: rgba(15, 23, 42, .72); border: 1px solid var(--line); box-shadow: none; }
.page { padding: 54px 7vw 70px; }
.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 240px 480px;
  gap: 28px;
  align-items: center;
  padding: 30px 0 18px;
  isolation: isolate;
}
.hero-text { position: relative; z-index: 2; }

/* 千象主题：背景大字 + 渐变光晕，给首屏品牌厚度 */
.hero-bg {
  position: absolute;
  inset: -40px -20px -40px -40px;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
  border-radius: var(--radius-card);
}
.hero-bg-char {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  font-size: 720px;
  line-height: 1;
  font-weight: 900;
  letter-spacing: -28px;
  background: linear-gradient(135deg,
    rgba(96,165,250,.55) 0%,
    rgba(192,132,252,.42) 50%,
    rgba(252,211,77,.30) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  user-select: none;
  opacity: .55;
}
.hero-bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: .55;
}
.hero-bg-orb-1 {
  width: 420px; height: 420px;
  left: -80px; top: -80px;
  background: radial-gradient(circle, rgba(37,99,235,.5), transparent 70%);
  animation: heroOrb1 14s ease-in-out infinite alternate;
}
.hero-bg-orb-2 {
  width: 360px; height: 360px;
  right: 200px; bottom: -120px;
  background: radial-gradient(circle, rgba(124,58,237,.45), transparent 70%);
  animation: heroOrb2 16s ease-in-out infinite alternate;
}
@keyframes heroOrb1 {
  0%   { transform: translate(0, 0) scale(1); }
  100% { transform: translate(40px, 30px) scale(1.1); }
}
@keyframes heroOrb2 {
  0%   { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-30px, -20px) scale(1.05); }
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border-radius: 999px;
  color: #bfdbfe;
  background: rgba(30, 41, 59, .88);
  border: 1px solid rgba(191, 219, 254, .34);
  font-size: 13px;
  font-weight: var(--font-display);
}
.eyebrow::before { content: ""; width: 8px; height: 8px; border-radius: 99px; background: var(--green); box-shadow: 0 0 0 5px rgba(34, 197, 94, .16); }
.eyebrow-cn { letter-spacing: .2px; }
.eyebrow-sep { width: 1px; height: 14px; background: rgba(191,219,254,.3); display: inline-block; }
.eyebrow-ru { color: #fcd34d; font-weight: var(--font-strong); letter-spacing: .3px; font-size: 12px; }
h1 { margin: 20px 0 18px; font-size: clamp(38px, 5.2vw, 70px); line-height: 1.04; letter-spacing: -2.2px; }
.h1-grad {
  background: linear-gradient(135deg, #60a5fa 0%, #c4b5fd 50%, #fcd34d 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  background-size: 200% 100%;
  animation: h1Grad 6s ease-in-out infinite alternate;
}
.h1-strong { color: #fff; }
@keyframes h1Grad {
  0%   { background-position: 0% 50%; }
  100% { background-position: 100% 50%; }
}
h2 { margin: 0 0 12px; font-size: clamp(28px, 3.4vw, 42px); letter-spacing: -1px; }
h3 { margin: 0 0 10px; }
.lead { max-width: 760px; margin: 0; color: #cbd5e1; font-size: 18px; line-height: 1.8; }
.hero-actions, .actions { display: flex; gap: 13px; flex-wrap: wrap; margin-top: 28px; }
.panel, .entry-card, .stat, .step-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow);
}
.hero-panel { padding: 24px; }
.quick-list { display: grid; gap: 12px; margin-top: 18px; }
.quick-item {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 15px;
  border-radius: var(--radius-inner);
  background: rgba(30, 41, 59, .66);
  border: 1px solid rgba(148, 163, 184, .13);
}
.quick-item span, .muted { color: var(--muted); }
.entry-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; margin-top: 34px; }
.entry-grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.entry-card { min-height: 230px; padding: 24px; display: flex; flex-direction: column; justify-content: space-between; }
.entry-card strong { font-size: 22px; letter-spacing: -.5px; }
.entry-card p { margin: 12px 0 22px; color: var(--muted); line-height: 1.7; }
.entry-card.primary { background: linear-gradient(135deg, rgba(37, 99, 235, .78), rgba(124, 58, 237, .78)); }
.entry-card.primary p { color: #dbeafe; }
.section { margin-top: 34px; }
.section-head { max-width: 780px; margin-bottom: 22px; }
.section-head p { margin: 0; color: var(--muted); line-height: 1.8; }
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.stat { padding: 20px; }
.stat span { color: var(--muted); font-size: 13px; font-weight: var(--font-strong); }
.stat strong { display: block; margin-top: 8px; font-size: 30px; letter-spacing: -1px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.step-card { padding: 24px; }
.step-card b { color: #60a5fa; font-size: 28px; }
.step-card p { margin: 8px 0 0; color: var(--muted); line-height: 1.7; }
.table { overflow: hidden; border-radius: var(--radius-stat); border: 1px solid var(--line); }
.row { display: grid; grid-template-columns: var(--cols, 1fr 1fr 1fr); gap: 14px; padding: 15px 18px; background: rgba(15, 23, 42, .72); border-bottom: 1px solid var(--line); }
.row.head { color: #cbd5e1; background: rgba(30, 41, 59, .86); font-size: 12px; font-weight: var(--font-display); }
.row:last-child { border-bottom: 0; }
.badge { justify-self: start; padding: 7px 10px; border-radius: var(--radius-pill); color: #bfdbfe; background: rgba(37, 99, 235, .18); font-size: 12px; font-weight: var(--font-display); }

.hero-mini-trust {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 22px;
  color: var(--muted);
  font-size: 13px;
  font-weight: var(--font-strong);
}
.hero-mini-trust span:not(:nth-child(even))::before {
  content: "✓";
  margin-right: 6px;
  color: #22c55e;
  font-weight: var(--font-display);
}
.hero-screenshot {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  align-self: stretch;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-screenshot img { width: 100%; height: auto; display: block; }
.hero-screenshot-caption {
  position: absolute;
  top: 14px;
  right: 14px;
  padding: 5px 10px;
  border-radius: var(--radius-pill);
  background: rgba(15, 23, 42, .82);
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 11px;
  font-weight: var(--font-display);
  letter-spacing: .8px;
}

/* ---------- Hero 实时演示卡（自动 Before/After 滑动） ---------- */
.hero-demo {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.hero-demo-frame {
  position: relative;
  aspect-ratio: 9 / 10;
  border-radius: 26px;
  overflow: hidden;
  background: #0b1120;
  border: 1px solid var(--line);
  box-shadow: 0 30px 80px rgba(0,0,0,.55), 0 0 0 1px rgba(96,165,250,.12) inset;
}
.hero-demo-shot {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
}
/* After 层用 clip-path 自动来回，营造"AI 处理过程"既视感 */
.hero-demo-after {
  clip-path: inset(0 0 0 50%);
  animation: heroSlide 6.5s cubic-bezier(.65,.05,.35,1) infinite;
}
@keyframes heroSlide {
  0%, 100% { clip-path: inset(0 0 0 75%); }
  20%      { clip-path: inset(0 0 0 25%); }
  50%      { clip-path: inset(0 0 0 25%); }
  70%      { clip-path: inset(0 0 0 75%); }
}
.hero-demo-divider {
  position: absolute;
  top: 0; bottom: 0;
  width: 2px;
  left: 50%;
  background: linear-gradient(180deg, transparent, #fff 20%, #fff 80%, transparent);
  box-shadow: 0 0 18px rgba(255,255,255,.55);
  animation: heroDividerMove 6.5s cubic-bezier(.65,.05,.35,1) infinite;
  z-index: 5;
}
@keyframes heroDividerMove {
  0%, 100% { left: 75%; }
  20%      { left: 25%; }
  50%      { left: 25%; }
  70%      { left: 75%; }
}
.hero-demo-knob {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 36px; height: 36px;
  border-radius: 50%;
  background: #fff;
  color: #0f172a;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 900;
  box-shadow: 0 8px 24px rgba(0,0,0,.5);
}
.hero-demo:hover .hero-demo-after,
.hero-demo:hover .hero-demo-divider {
  animation-play-state: paused;
}

/* shot 内部：tape 顶条 + stage 主舞台 + label 底标 */
.mock-tape {
  height: 28px;
  display: flex;
  align-items: center;
  padding: 0 14px;
  font-size: 11px;
  letter-spacing: .4px;
  font-weight: var(--font-display);
  color: #fca5a5;
  background: linear-gradient(90deg, rgba(239,68,68,.22), rgba(239,68,68,.08));
  border-bottom: 1px solid rgba(239,68,68,.3);
}
.mock-tape-after {
  color: #86efac;
  background: linear-gradient(90deg, rgba(34,197,94,.22), rgba(34,197,94,.08));
  border-bottom: 1px solid rgba(34,197,94,.3);
}

.mock-stage {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.mock-stage-before {
  background:
    radial-gradient(circle at 30% 30%, #94a3b8, #475569 70%),
    #334155;
}
.mock-stage-before::before {
  /* 给 before 加点"脏"的颗粒感和倾斜 */
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(45deg, rgba(0,0,0,.06) 0 6px, transparent 6px 14px),
    radial-gradient(circle at 70% 80%, rgba(0,0,0,.3), transparent 60%);
  pointer-events: none;
}
.mock-stage-after {
  background:
    radial-gradient(circle at 50% 40%, #ffffff, #f1f5f9 80%);
}
.mock-stage-after::before {
  /* OZON 网格定位线 */
  content: "";
  position: absolute;
  inset: 8%;
  border: 1px dashed rgba(15,23,42,.12);
  border-radius: 8px;
  pointer-events: none;
}

.mock-product {
  font-size: 130px;
  filter: grayscale(.4) brightness(.85) drop-shadow(0 6px 14px rgba(0,0,0,.4));
  transform: rotate(-8deg);
  position: relative;
  z-index: 1;
}
.mock-product-clean {
  filter: drop-shadow(0 12px 24px rgba(15,23,42,.2));
  transform: rotate(0);
}

.mock-noise {
  position: absolute;
  pointer-events: none;
}
.mock-noise-1 {
  top: 12%; left: 8%;
  width: 50px; height: 50px;
  background: radial-gradient(circle, rgba(255,255,255,.5), transparent 70%);
  filter: blur(2px);
}
.mock-noise-2 {
  bottom: 18%; right: 10%;
  width: 30px; height: 30px;
  background: rgba(0,0,0,.18);
  border-radius: 50%;
  filter: blur(3px);
}

.mock-watermark {
  position: absolute;
  right: 12px;
  bottom: 12px;
  font-size: 11px;
  color: rgba(255,255,255,.7);
  font-weight: var(--font-display);
  letter-spacing: 1.5px;
  background: rgba(0,0,0,.35);
  padding: 3px 8px;
  border-radius: 4px;
  transform: rotate(-3deg);
}

.mock-promo {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, #ef4444, #f97316);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 900;
  letter-spacing: -.5px;
  box-shadow: 0 10px 24px rgba(239,68,68,.45);
  transform: rotate(-12deg);
}
.mock-ru {
  position: absolute;
  left: 14px;
  bottom: 14px;
  padding: 4px 10px;
  border-radius: 6px;
  background: #0f172a;
  color: #fcd34d;
  font-size: 11px;
  font-weight: var(--font-display);
  letter-spacing: .8px;
}

.mock-label {
  position: absolute;
  bottom: 12px;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: var(--font-display);
  letter-spacing: .6px;
  z-index: 4;
}
.mock-label-before {
  left: 14px;
  background: rgba(239,68,68,.85);
  color: #fff;
}
.mock-label-after {
  right: 14px;
  background: rgba(34,197,94,.95);
  color: #052e16;
}

.hero-demo-caption {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--muted);
  font-weight: var(--font-strong);
  letter-spacing: .3px;
}
.hero-demo-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 4px rgba(34,197,94,.18);
  animation: heroPulse 1.6s ease-in-out infinite;
}
@keyframes heroPulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(34,197,94,.18); }
  50%      { box-shadow: 0 0 0 8px rgba(34,197,94,.0); }
}

/* ---------- Hero 中间装饰柱（填补空荡，伪实时数据 + 流程示意） ---------- */
.hero-center {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px 14px;
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(37,99,235,.18), rgba(124,58,237,.10));
  border: 1px solid rgba(96,165,250,.20);
}
.hero-center-label {
  text-align: center;
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--muted);
  font-weight: var(--font-display);
  margin-bottom: 4px;
}
.hcs-card {
  position: relative;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(15,23,42,.70);
  border: 1px solid rgba(96,165,250,.18);
}
.hcs-label {
  display: block;
  font-size: 11px;
  font-weight: var(--font-strong);
  color: var(--muted);
}
.hcs-num {
  display: block;
  margin-top: 4px;
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -.5px;
  background: linear-gradient(135deg, #60a5fa, #c4b5fd 50%, #fcd34d);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hcs-pulse {
  position: absolute;
  top: 14px; right: 14px;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 4px rgba(34,197,94,.20);
  animation: heroPulse 1.6s ease-in-out infinite;
}
.hcs-steps {
  padding: 10px 12px 12px;
  border-radius: 12px;
  background: rgba(15,23,42,.70);
  border: 1px solid rgba(96,165,250,.18);
}
.hcs-steps ol {
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
}
.hcs-steps li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: var(--font-strong);
  color: #cbd5e1;
}
.hcs-steps li::before {
  counter-increment: step;
  content: counter(step);
  width: 16px; height: 16px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  font-weight: 900;
  color: #fff;
}
.hcs-steps ol { counter-reset: step; }
.hcs-steps li:nth-child(1)::before { background: rgba(37,99,235,.85); }
.hcs-steps li:nth-child(2)::before { background: rgba(124,58,237,.85); }
.hcs-steps li:nth-child(3)::before { background: rgba(34,197,94,.85); }

/* ---------- 演示卡内的"产品 mock"升级：CSS 画的礼盒 + 标签牌 ---------- */
/* 把原来的 .mock-product 从 130px 大 emoji 改成卡片式 mock */
.mock-product {
  position: relative;
  z-index: 1;
  width: 180px;
  height: 200px;
  font-size: 0;             /* 关掉外层文字，避免老 emoji 残留撑高 */
  display: flex;
  flex-direction: column;
  border-radius: 10px;
  overflow: hidden;
  filter: none;
  transform: rotate(-6deg);
  background: linear-gradient(180deg, #1e293b, #0f172a);
  box-shadow: 0 14px 28px rgba(0,0,0,.45);
  border: 1px solid rgba(255,255,255,.12);
}
.mock-product .mp-tape {
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,.35);
  color: #94a3b8;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 2px;
}
.mock-product .mp-icon {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 60px;
  color: #cbd5e1;
}
.mock-product .mp-spec {
  padding: 6px 10px 8px;
  text-align: center;
  font-size: 10px;
  font-weight: 700;
  color: #64748b;
  letter-spacing: .3px;
}
/* AFTER 版本：干净白底 + 蓝色礼盒（电商主图感） */
.mock-product-clean {
  transform: rotate(0);
  background: linear-gradient(180deg, #1e3a8a, #312e81);
  box-shadow: 0 16px 30px rgba(15,23,42,.18);
  border: 0;
}
.mock-product-clean .mp-tape {
  background: rgba(255,255,255,.10);
  color: #fff;
}
.mock-product-clean .mp-icon { color: #fff; }
.mock-product-clean .mp-spec { color: #cbd5e1; }
/* AFTER 下方加个轻投影"地面" */
.mock-stage-after .mock-product-clean::after {
  content: "";
  position: absolute;
  left: 50%; bottom: -10px;
  width: 70%;
  height: 8px;
  background: rgba(15,23,42,.18);
  border-radius: 50%;
  transform: translateX(-50%);
  filter: blur(3px);
}

@media (max-width: 1180px) {
  /* 中等屏：藏中间装饰柱，hero 回到 2 列 */
  .hero { grid-template-columns: minmax(0, 1fr); }
  .hero-center { display: none; }
}

.proof-bar {
  margin-top: 38px;
  padding: 28px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow);
}
.proof-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
  padding-bottom: 22px;
  border-bottom: 1px dashed var(--line);
}
.proof-stat strong {
  display: block;
  font-size: 30px;
  letter-spacing: -1px;
  background: linear-gradient(135deg, #60a5fa, #c4b5fd);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.proof-stat span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: var(--font-strong);
}
.proof-logos { padding-top: 22px; }
.proof-logos-label {
  display: block;
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 12px;
  font-weight: var(--font-display);
  letter-spacing: 1.5px;
}
.proof-logos-row {
  position: relative;
  display: flex;
  align-items: center;
  gap: 36px;
  opacity: .82;
  overflow: hidden;
  /* 边缘只做 2.5% 微羽化（约 35px），不再吃掉整个 logo */
  mask-image: linear-gradient(90deg, transparent 0, #000 2.5%, #000 97.5%, transparent 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 2.5%, #000 97.5%, transparent 100%);
}
.proof-logos-row img {
  height: 44px;
  width: auto;
  flex-shrink: 0;
  animation: logoMarquee 22s linear infinite;
}
.proof-logos-row:hover img { animation-play-state: paused; }
@keyframes logoMarquee {
  0%   { transform: translateX(0); }
  100% { transform: translateX(calc(-100% - 36px)); }
}

/* 数字 count-up：仅对带 data-count-target 的 stat 生效；
   不带 data-count-target 的（比如「20 积分」）保持 opacity:1，永远可见 */
.proof-stat[data-count-target] strong {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .8s ease, transform .8s ease;
}
.proof-stat[data-count-target].is-visible strong {
  opacity: 1;
  transform: translateY(0);
}
.proof-note {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 11px;
  font-weight: var(--font-strong);
  letter-spacing: .3px;
}

.before-after-stack { display: grid; gap: 22px; }
.before-after {
  margin: 0;
  padding: 0;
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.before-after img { width: 100%; height: auto; display: block; }
.before-after figcaption {
  padding: 16px 22px;
  color: var(--muted);
  font-size: 13px;
  font-weight: var(--font-strong);
  border-top: 1px solid var(--line);
  background: rgba(15, 23, 42, .58);
}

.faq-section { margin-top: 34px; }
.faq-list { display: grid; gap: 12px; }
.faq-item {
  padding: 18px 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-inner);
  box-shadow: var(--shadow);
  transition: border-color .16s ease;
}
.faq-item[open] { border-color: rgba(37, 99, 235, .42); }
.faq-item summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  color: #f1f5f9;
  font-size: 16px;
  font-weight: var(--font-display);
  letter-spacing: -.2px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  color: var(--muted);
  font-size: 22px;
  font-weight: var(--font-strong);
  transition: transform .2s ease, color .2s ease;
}
.faq-item[open] summary::after {
  content: "−";
  color: #60a5fa;
}
.faq-item p {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.8;
  font-size: 14px;
}
.faq-item p a { color: #93c5fd; text-decoration: underline; text-underline-offset: 3px; }

.cta-bottom {
  margin: 54px 0 0;
  padding: 56px 7vw;
  border-radius: var(--radius-card);
  background:
    radial-gradient(circle at 18% 30%, rgba(37, 99, 235, .35), transparent 38%),
    radial-gradient(circle at 82% 70%, rgba(124, 58, 237, .32), transparent 36%),
    rgba(15, 23, 42, .76);
  border: 1px solid rgba(124, 58, 237, .3);
  text-align: center;
  box-shadow: var(--shadow);
}
.cta-bottom h2 { margin: 0 0 10px; font-size: clamp(28px, 3.6vw, 44px); }
.cta-bottom p { margin: 0 auto 8px; max-width: 640px; color: #cbd5e1; line-height: 1.8; font-size: 16px; }
.cta-bottom .hero-actions { justify-content: center; margin-top: 22px; }

footer { padding: 34px 7vw 54px; color: var(--muted); }

@media (max-width: 1180px) {
  .nav-links { display: none; }
  .hero, .entry-grid, .stats, .grid-2, .grid-3, .proof-stats { grid-template-columns: 1fr; }
  .proof-stats { gap: 14px; }
  .proof-stat strong { font-size: 26px; }
  .cta-bottom { padding: 40px 22px; }
  .hero-mini-trust { gap: 8px; font-size: 12px; }
  .proof-logos-row { gap: 22px; }
  .proof-logos-row img { height: 36px; }
}
@media (max-width: 760px) {
  .proof-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}