/* =========================================================
   兆莱 SCRM · 单页企业网站
   设计基调：清新 / 通透 / 克制的青绿主色 + 大量留白
   ========================================================= */

:root {
  /* 品牌色 */
  --brand: #0aa79b;
  --brand-600: #078a80;
  --brand-700: #056b63;
  --brand-300: #7fd8d0;
  --brand-100: #d8f5f1;
  --brand-50: #effbf9;

  --blue: #4f8ef7;
  --violet: #8b7cf6;
  --amber: #f0a13c;
  --rose: #f0728f;

  /* 中性色 */
  --ink: #0e2b30;
  --ink-2: #23454b;
  --body: #537078;
  --muted: #7c969b;
  --line: #e2efee;
  --bg: #ffffff;
  --bg-soft: #f5fbfa;
  --bg-deep: #082b2d;

  /* 尺寸 */
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --shadow-sm: 0 2px 8px rgba(14, 43, 48, 0.05);
  --shadow: 0 12px 30px -12px rgba(9, 61, 63, 0.16);
  --shadow-lg: 0 32px 70px -30px rgba(9, 61, 63, 0.28);

  --container: 1180px;
  --ease: cubic-bezier(0.22, 0.68, 0.32, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 90px; overflow-x: hidden; }

body {
  margin: 0;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC",
    system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  color: var(--body);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3, h4 { color: var(--ink); line-height: 1.25; margin: 0; font-weight: 700; letter-spacing: -0.01em; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 999;
  background: var(--brand); color: #fff; padding: 10px 18px; border-radius: 0 0 10px 0;
}
.skip-link:focus { left: 0; }

/* ---------------- 按钮 ---------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: 999px; border: 1px solid transparent;
  font-size: 15px; font-weight: 600; white-space: nowrap; cursor: pointer;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease),
    background-color 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
}
.btn--sm { padding: 9px 18px; font-size: 14px; }
.btn--lg { padding: 15px 30px; font-size: 16px; }
.btn--block { width: 100%; }

.btn--primary {
  color: #fff;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-600) 100%);
  box-shadow: 0 10px 24px -10px rgba(10, 167, 155, 0.75);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 16px 32px -12px rgba(10, 167, 155, 0.85); }

.btn--outline { color: var(--ink); background: #fff; border-color: var(--line); box-shadow: var(--shadow-sm); }
.btn--outline:hover { border-color: var(--brand-300); color: var(--brand-700); transform: translateY(-2px); }

.btn--ghost { color: var(--ink-2); background: transparent; }
.btn--ghost:hover { color: var(--brand-700); background: var(--brand-50); }

.btn:focus-visible, a:focus-visible, button:focus-visible, summary:focus-visible,
input:focus-visible, select:focus-visible {
  outline: 3px solid rgba(10, 167, 155, 0.35); outline-offset: 2px; border-radius: 6px;
}

/* ---------------- 顶部导航 ---------------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid transparent;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.nav.is-scrolled { background: rgba(255, 255, 255, 0.92); border-bottom-color: var(--line); box-shadow: 0 6px 24px -18px rgba(9, 61, 63, 0.5); }
.nav__inner { display: flex; align-items: center; gap: 32px; height: 72px; }

.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; color: var(--ink); }
.brand__mark {
  width: 34px; height: 34px; border-radius: 11px; color: #fff;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-600) 100%);
  display: grid; place-items: center;
  box-shadow: 0 8px 18px -8px rgba(10, 167, 155, 0.9);
}
.brand__text { font-size: 18px; letter-spacing: 0.02em; }
.brand__text em { font-style: normal; color: var(--brand-600); margin-left: 4px; font-size: 14px; letter-spacing: 0.06em; }
.brand--light { color: #fff; }
.brand--light .brand__text em { color: var(--brand-300); }

.nav__links { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav__links > a {
  padding: 8px 14px; border-radius: 999px; font-size: 15px; font-weight: 500; color: var(--ink-2);
  transition: color 0.2s var(--ease), background-color 0.2s var(--ease);
}
.nav__links > a:hover { color: var(--brand-700); background: var(--brand-50); }
.nav__links > a.is-active { color: var(--brand-700); background: var(--brand-50); font-weight: 600; }
.nav__links-cta { display: none; }

.nav__actions { display: flex; align-items: center; gap: 14px; }
.nav__login { font-size: 15px; font-weight: 500; color: var(--ink-2); }
.nav__login:hover { color: var(--brand-700); }

.nav__toggle {
  display: none; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 12px;
  background: #fff; padding: 0; place-items: center; gap: 5px; flex-direction: column;
}
.nav__toggle span { display: block; width: 18px; height: 2px; border-radius: 2px; background: var(--ink); transition: transform 0.3s var(--ease), opacity 0.2s var(--ease); }
.nav__toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle.is-open span:nth-child(2) { opacity: 0; }
.nav__toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------------- 通用区块 ---------------- */
.section { padding: 104px 0; }
.section__head { max-width: 720px; margin: 0 auto 56px; text-align: center; }
.section__head h2 { font-size: clamp(28px, 3.4vw, 40px); margin: 14px 0 16px; }
.section__sub { font-size: 17px; color: var(--body); }
.section__sub a { color: var(--brand-600); font-weight: 600; border-bottom: 1px solid currentColor; }

.eyebrow {
  display: inline-block; margin: 0; font-size: 13px; font-weight: 700; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--brand-600);
}

/* ---------------- Hero ---------------- */
.hero { position: relative; padding: 150px 0 90px; overflow: hidden; background: linear-gradient(180deg, var(--brand-50) 0%, #fbfefe 55%, #fff 100%); }
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(10, 167, 155, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10, 167, 155, 0.06) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 20%, transparent 75%);
}
.hero__glow { position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.55; pointer-events: none; }
.hero__glow--a { width: 460px; height: 460px; background: rgba(10, 167, 155, 0.35); top: -140px; left: -120px; }
.hero__glow--b { width: 520px; height: 520px; background: rgba(79, 142, 247, 0.22); top: 40px; right: -180px; }

.hero__inner {
  position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
  gap: 64px; align-items: center;
}
.hero__copy { min-width: 0; }
.hero__copy h1 { font-size: clamp(34px, 4.4vw, 56px); line-height: 1.16; margin: 22px 0 22px; }
.hero__copy h1 em {
  font-style: normal; position: relative; z-index: 0; white-space: nowrap;
  background: linear-gradient(120deg, var(--brand-600), #37c9b8 60%, var(--blue));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero__copy h1 em::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 4px; height: 10px; z-index: -1;
  background: rgba(127, 216, 208, 0.45); border-radius: 6px;
}
.hero__sub { font-size: 18px; line-height: 1.85; max-width: 520px; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; margin: 34px 0 26px; }
.hero__trust { display: flex; flex-wrap: wrap; gap: 10px 24px; font-size: 14px; color: var(--muted); }
.hero__trust li { display: flex; align-items: center; gap: 8px; }
.hero__trust li::before {
  content: ""; width: 16px; height: 16px; border-radius: 50%; background: var(--brand-100);
  border: 1.5px solid var(--brand-300);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 12.5l4 4 8-9' stroke='%23078a80' stroke-width='3' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-size: 12px; background-position: center; background-repeat: no-repeat;
}

.pill {
  display: inline-flex; align-items: center; gap: 9px; padding: 7px 16px 7px 12px;
  border-radius: 999px; background: #fff; border: 1px solid var(--brand-100);
  color: var(--brand-700); font-size: 13.5px; font-weight: 600; box-shadow: var(--shadow-sm);
}
.pill__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--brand); box-shadow: 0 0 0 4px rgba(10, 167, 155, 0.16); animation: pulse 2.4s infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 8px rgba(10, 167, 155, 0.05); } }

/* ---------------- 产品界面示意 ---------------- */
.hero__visual { position: relative; min-width: 0; }
.mock {
  background: #fff; border-radius: var(--radius-lg); border: 1px solid var(--line);
  box-shadow: var(--shadow-lg); overflow: hidden; max-width: 100%;
  transform: perspective(1400px) rotateY(-6deg) rotateX(2deg);
  transition: transform 0.6s var(--ease);
}
.hero__visual:hover .mock { transform: perspective(1400px) rotateY(-2deg) rotateX(0deg); }
.mock__bar { display: flex; align-items: center; gap: 7px; padding: 12px 16px; background: #f7fbfb; border-bottom: 1px solid var(--line); }
.dot { width: 10px; height: 10px; border-radius: 50%; background: #d8e6e5; flex: 0 0 auto; }
.dot--r { background: #ffbdb0; } .dot--y { background: #ffdfa6; } .dot--g { background: #a9e8cf; }
.mock__url { margin-left: 12px; font-size: 12px; color: var(--muted); letter-spacing: 0.02em; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.mock__body { display: grid; grid-template-columns: 62px minmax(0, 1fr); }
.mock__side { padding: 18px 0; background: #fafdfd; border-right: 1px solid var(--line); display: flex; flex-direction: column; align-items: center; gap: 16px; }
.mock__logo { width: 26px; height: 26px; border-radius: 9px; background: linear-gradient(135deg, var(--brand), var(--brand-600)); }
.mock__nav { width: 20px; height: 20px; border-radius: 7px; background: #e3eeed; }
.mock__nav.is-active { background: var(--brand-100); box-shadow: inset 0 0 0 1.5px var(--brand-300); }

.mock__main { padding: 18px 20px 22px; display: grid; gap: 16px; min-width: 0; }
.mock__stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.mock__stat { background: #f7fbfb; border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; min-width: 0; }
.mock__stat b { display: block; font-size: 17px; color: var(--ink); }
.mock__stat span { font-size: 11.5px; color: var(--muted); }

.mock__chart { border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px 14px; }
.mock__chart-head { display: flex; justify-content: space-between; align-items: center; font-size: 12.5px; color: var(--ink-2); font-weight: 600; }
.mock__legend { display: inline-flex; align-items: center; gap: 6px; font-weight: 500; color: var(--muted); }
.mock__legend i { width: 8px; height: 8px; border-radius: 50%; background: var(--brand); }
.bars { display: flex; align-items: flex-end; gap: 8px; height: 96px; margin-top: 12px; }
.bars span {
  flex: 1; height: var(--h); border-radius: 6px 6px 3px 3px; min-height: 8px;
  background: linear-gradient(180deg, var(--brand-300), var(--brand));
  opacity: 0.9; animation: grow 1.1s var(--ease) both;
}
.bars span:nth-child(even) { background: linear-gradient(180deg, #cfe4fd, var(--blue)); opacity: 0.75; }
.bars span:nth-child(1) { animation-delay: 0.05s; } .bars span:nth-child(2) { animation-delay: 0.1s; }
.bars span:nth-child(3) { animation-delay: 0.15s; } .bars span:nth-child(4) { animation-delay: 0.2s; }
.bars span:nth-child(5) { animation-delay: 0.25s; } .bars span:nth-child(6) { animation-delay: 0.3s; }
.bars span:nth-child(7) { animation-delay: 0.35s; } .bars span:nth-child(8) { animation-delay: 0.4s; }
.bars span:nth-child(9) { animation-delay: 0.45s; }
@keyframes grow { from { height: 0; opacity: 0; } }

.mock__list { display: grid; gap: 8px; }
.mock__row { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 12px; background: #f9fcfc; border: 1px solid #edf6f5; }
.mock__line { display: grid; flex: 1; min-width: 0; }
.mock__line b { font-size: 13px; color: var(--ink); }
.mock__line i { font-style: normal; font-size: 11.5px; color: var(--muted); }
.avatar {
  width: 32px; height: 32px; flex: 0 0 32px; border-radius: 50%; display: grid; place-items: center;
  background: linear-gradient(135deg, #b8ece5, #7fd8d0); color: #075f59; font-size: 13px; font-weight: 700;
}
.avatar--blue { background: linear-gradient(135deg, #cfe1ff, #9dc1fb); color: #2a4f96; }
.avatar--violet { background: linear-gradient(135deg, #ded7ff, #b8a9fb); color: #4d3ba8; }
.avatar--lg { width: 46px; height: 46px; flex-basis: 46px; font-size: 16px; }
.tag { font-size: 11.5px; font-weight: 600; padding: 3px 10px; border-radius: 999px; white-space: nowrap; }
.tag--mint { background: var(--brand-100); color: var(--brand-700); }
.tag--blue { background: #e6efff; color: #2f5fae; }

.float-card {
  position: absolute; background: rgba(255, 255, 255, 0.92); backdrop-filter: blur(8px);
  border: 1px solid var(--line); border-radius: 14px; padding: 12px 16px; box-shadow: var(--shadow);
  display: grid; gap: 2px; animation: float 6s ease-in-out infinite;
}
.float-card b { font-size: 13px; color: var(--ink); }
.float-card span { font-size: 11.5px; color: var(--muted); }
.float-card--a { left: -26px; bottom: 168px; animation-delay: 0.4s; }
.float-card--b { right: -30px; top: 232px; animation-delay: 1.6s; }
@keyframes float { 50% { transform: translateY(-10px); } }

/* ---------------- 数据条 ---------------- */
.stats { padding: 0 0 8px; }
.stats__grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 34px 24px; box-shadow: var(--shadow);
  margin-top: -46px; position: relative; z-index: 2;
}
.stat { text-align: center; padding: 6px 12px; position: relative; }
.stat + .stat::before { content: ""; position: absolute; left: 0; top: 12%; bottom: 12%; width: 1px; background: var(--line); }
.stat b { display: block; font-size: clamp(26px, 3vw, 36px); font-weight: 800; color: var(--ink); letter-spacing: -0.02em; }
.stat b span { background: linear-gradient(120deg, var(--brand-600), var(--brand)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat > span { font-size: 14px; color: var(--muted); }

/* ---------------- 痛点 ---------------- */
.pain { background: var(--bg-soft); }
.pain__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.pain__item {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 24px;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
}
.pain__item:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: var(--brand-100); }
.pain__icon { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 14px; background: var(--brand-50); color: var(--brand-600); margin-bottom: 18px; }
.pain__item h3 { font-size: 17px; margin-bottom: 8px; }
.pain__item p { font-size: 14.5px; line-height: 1.8; }
.pain__bridge {
  margin-top: 44px; text-align: center; font-size: 18px; color: var(--ink-2);
}
.pain__bridge b { color: var(--brand-700); }

/* ---------------- 功能卡片 ---------------- */
.feature__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 30px 28px;
  position: relative; overflow: hidden;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
}
.card::after {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 3px;
  background: linear-gradient(90deg, var(--brand), var(--brand-300), transparent);
  transform: scaleX(0); transform-origin: left; transition: transform 0.4s var(--ease);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: var(--brand-100); }
.card:hover::after { transform: scaleX(1); }
.card--wide { grid-column: span 1; }
.card__icon { display: grid; place-items: center; width: 50px; height: 50px; border-radius: 15px; margin-bottom: 20px; }
.card__icon--mint { background: var(--brand-50); color: var(--brand-600); }
.card__icon--blue { background: #eef4ff; color: var(--blue); }
.card__icon--violet { background: #f2effe; color: var(--violet); }
.card__icon--amber { background: #fef5e9; color: var(--amber); }
.card__icon--rose { background: #fdeef1; color: var(--rose); }
.card__icon--teal { background: #e9f8f6; color: #14968c; }
.card h3 { font-size: 19px; margin-bottom: 10px; }
.card p { font-size: 15px; line-height: 1.85; }
.card__list { margin-top: 16px; display: grid; gap: 8px; }
.card__list li { position: relative; padding-left: 20px; font-size: 14px; color: var(--ink-2); }
.card__list li::before {
  content: ""; position: absolute; left: 0; top: 8px; width: 6px; height: 6px; border-radius: 50%;
  background: var(--brand-300);
}

.feature__more {
  margin-top: 26px; display: flex; flex-wrap: wrap; align-items: center; gap: 12px 16px;
  padding: 22px 26px; border-radius: var(--radius); background: var(--bg-soft); border: 1px dashed var(--brand-100);
}
.feature__more > span { font-size: 14px; font-weight: 600; color: var(--ink-2); }
.feature__more ul { display: flex; flex-wrap: wrap; gap: 10px; }
.feature__more li {
  font-size: 13.5px; color: var(--brand-700); background: #fff; border: 1px solid var(--brand-100);
  padding: 5px 14px; border-radius: 999px;
}

/* ---------------- 解决方案 ---------------- */
.solutions { background: var(--bg-soft); }
.solution__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }
.solution {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 30px 28px;
  display: flex; flex-direction: column; height: 100%;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.solution:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.solution--featured { border-color: var(--brand-300); box-shadow: 0 20px 44px -26px rgba(10, 167, 155, 0.55); }
.solution__badge {
  display: inline-block; font-size: 12.5px; font-weight: 700; color: var(--brand-700);
  background: var(--brand-50); border: 1px solid var(--brand-100); padding: 4px 12px; border-radius: 999px; margin-bottom: 16px;
}
.solution h3 { font-size: 20px; margin-bottom: 12px; }
.solution > p { font-size: 15px; line-height: 1.85; }
.solution ul { margin: 18px 0; display: grid; gap: 9px; }
.solution ul li { position: relative; padding-left: 24px; font-size: 14.5px; color: var(--ink-2); }
.solution ul li::before {
  content: ""; position: absolute; left: 0; top: 3px; width: 15px; height: 15px; border-radius: 50%;
  background: var(--brand-50);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 12.5l4 4 8-9' stroke='%23078a80' stroke-width='3.4' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-size: 10px; background-position: center; background-repeat: no-repeat;
}
.solution__result { margin-top: auto; font-size: 14px; color: var(--body); background: var(--bg-soft); border-radius: 12px; padding: 14px 16px; }
.solution__result b { color: var(--ink); }

/* ---------------- 步骤 ---------------- */
.workflow { position: relative; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; counter-reset: step; }
.step {
  position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 32px 28px; box-shadow: var(--shadow-sm);
}
.step::before {
  content: ""; position: absolute; top: 54px; right: -20px; width: 20px; height: 2px;
  background: linear-gradient(90deg, var(--brand-300), var(--brand-100));
}
.step:last-child::before { display: none; }
.step__num {
  display: inline-grid; place-items: center; width: 46px; height: 46px; border-radius: 14px;
  background: linear-gradient(135deg, var(--brand-50), var(--brand-100)); color: var(--brand-700);
  font-weight: 800; font-size: 16px; letter-spacing: 0.04em; margin-bottom: 18px;
}
.step h3 { font-size: 19px; margin-bottom: 10px; }
.step p { font-size: 15px; line-height: 1.85; }

/* ---------------- 案例 ---------------- */
.cases { background: linear-gradient(180deg, #fff 0%, var(--bg-soft) 100%); }
.case__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.quote {
  margin: 0; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 30px 28px; display: flex; flex-direction: column; gap: 22px;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.quote:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.quote blockquote { margin: 0; font-size: 16px; line-height: 1.9; color: var(--ink-2); }
.quote blockquote::before {
  content: "“"; display: block; font-size: 46px; line-height: 0.6; color: var(--brand-300); font-family: Georgia, serif; margin-bottom: 10px;
}
.quote figcaption { display: flex; align-items: center; gap: 14px; margin-top: auto; }
.quote figcaption span { display: grid; }
.quote figcaption b { font-size: 15px; color: var(--ink); }
.quote figcaption i { font-style: normal; font-size: 13px; color: var(--muted); }

.logos { margin-top: 54px; text-align: center; }
.logos > span { font-size: 13.5px; color: var(--muted); letter-spacing: 0.04em; }
.logos ul { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px 34px; margin-top: 20px; }
.logos li {
  font-size: 17px; font-weight: 700; color: #a8bfc2; letter-spacing: 0.08em;
  transition: color 0.3s var(--ease);
}
.logos li:hover { color: var(--brand-600); }

/* ---------------- 价格 ---------------- */
.billing {
  display: inline-flex; gap: 4px; padding: 5px; margin: 0 auto 44px; background: var(--bg-soft);
  border: 1px solid var(--line); border-radius: 999px;
  position: relative; left: 50%; transform: translateX(-50%);
}
.billing__btn {
  display: inline-flex; align-items: center; gap: 8px; border: 0; background: transparent;
  padding: 9px 20px; border-radius: 999px; font-size: 14.5px; font-weight: 600; color: var(--body);
  transition: background-color 0.25s var(--ease), color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.billing__btn.is-active { background: #fff; color: var(--brand-700); box-shadow: var(--shadow-sm); }
.billing__save { font-size: 11.5px; font-weight: 700; background: var(--brand-100); color: var(--brand-700); padding: 2px 8px; border-radius: 999px; }

.price__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: start; }
.price {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 34px 30px;
  display: flex; flex-direction: column; position: relative;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
}
.price:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.price--featured { border-color: var(--brand); box-shadow: 0 26px 56px -28px rgba(10, 167, 155, 0.6); }
.price__ribbon {
  position: absolute; top: 20px; right: 20px; font-size: 12px; font-weight: 700; color: #fff;
  background: linear-gradient(135deg, var(--brand), var(--brand-600)); padding: 4px 12px; border-radius: 999px;
}
.price h3 { font-size: 20px; }
.price__desc { font-size: 14px; color: var(--muted); margin-top: 6px; min-height: 44px; }
.price__amount { display: flex; align-items: baseline; gap: 4px; margin: 16px 0 22px; }
.price__amount b { font-size: 44px; font-weight: 800; color: var(--ink); letter-spacing: -0.02em; line-height: 1; }
.price__amount--custom b { font-size: 30px; }
.price__cur { font-size: 20px; font-weight: 700; color: var(--ink); }
.price__unit { font-size: 14px; color: var(--muted); }
.price__list { display: grid; gap: 12px; margin-bottom: 30px; flex: 1; }
.price__list li { position: relative; padding-left: 26px; font-size: 14.5px; color: var(--ink-2); }
.price__list li::before {
  content: ""; position: absolute; left: 0; top: 2px; width: 17px; height: 17px; border-radius: 50%; background: var(--brand-50);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 12.5l4 4 8-9' stroke='%23078a80' stroke-width='3.2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-size: 11px; background-position: center; background-repeat: no-repeat;
}
.pricing__note { margin-top: 28px; text-align: center; font-size: 14px; color: var(--muted); }

/* ---------------- FAQ ---------------- */
.faq { background: var(--bg-soft); }
.faq__inner { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 56px; align-items: start; }
.faq__head { position: sticky; top: 108px; }
.faq__head h2 { font-size: clamp(26px, 3vw, 36px); margin: 14px 0 16px; }
.faq__list { display: grid; gap: 12px; }
.qa {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.qa[open] { border-color: var(--brand-100); box-shadow: var(--shadow-sm); }
.qa summary {
  cursor: pointer; list-style: none; padding: 20px 56px 20px 24px; position: relative;
  font-size: 16px; font-weight: 600; color: var(--ink);
}
.qa summary::-webkit-details-marker { display: none; }
.qa summary::after {
  content: ""; position: absolute; right: 24px; top: 50%; width: 14px; height: 14px;
  transform: translateY(-50%) rotate(45deg);
  border-right: 2px solid var(--brand-600); border-bottom: 2px solid var(--brand-600);
  transition: transform 0.3s var(--ease);
}
.qa[open] summary::after { transform: translateY(-25%) rotate(-135deg); }
.qa p { padding: 0 24px 22px; font-size: 15px; line-height: 1.9; }

/* ---------------- CTA / 表单 ---------------- */
.cta { padding: 96px 0; background: linear-gradient(160deg, #093a3c 0%, #0b4f4d 45%, #0d6b62 100%); position: relative; overflow: hidden; }
.cta::before, .cta::after { content: ""; position: absolute; border-radius: 50%; filter: blur(90px); }
.cta::before { width: 520px; height: 520px; background: rgba(45, 212, 191, 0.28); top: -200px; left: -140px; }
.cta::after { width: 460px; height: 460px; background: rgba(79, 142, 247, 0.2); bottom: -220px; right: -120px; }
.cta__inner { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.cta__copy h2 { color: #fff; font-size: clamp(28px, 3.4vw, 40px); }
.cta__copy > p { color: rgba(226, 247, 245, 0.82); font-size: 16.5px; line-height: 1.9; margin-top: 18px; max-width: 460px; }
.cta__points { margin: 28px 0 34px; display: grid; gap: 12px; }
.cta__points li { position: relative; padding-left: 28px; color: #e6fbf8; font-size: 15px; }
.cta__points li::before {
  content: ""; position: absolute; left: 0; top: 2px; width: 18px; height: 18px; border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 12.5l4 4 8-9' stroke='%237fe9dc' stroke-width='3.2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-size: 12px; background-position: center; background-repeat: no-repeat;
}
.cta__contact { display: flex; flex-wrap: wrap; align-items: baseline; gap: 10px 16px; padding-top: 26px; border-top: 1px solid rgba(255, 255, 255, 0.14); }
.cta__contact span { font-size: 13.5px; color: rgba(226, 247, 245, 0.6); }
.cta__contact b { font-size: 24px; color: #fff; letter-spacing: 0.02em; }

.form {
  background: #fff; border-radius: var(--radius-lg); padding: 34px 32px; box-shadow: var(--shadow-lg);
}
.form__title { font-size: 20px; margin-bottom: 22px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13.5px; font-weight: 600; color: var(--ink-2); margin-bottom: 7px; }
.field input, .field select {
  width: 100%; padding: 12px 15px; border-radius: 12px; border: 1px solid var(--line);
  background: #fbfefe; color: var(--ink); font-size: 15px; font-family: inherit;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease), background-color 0.2s var(--ease);
}
.field input::placeholder { color: #b0c4c7; }
.field input:focus, .field select:focus {
  outline: none; background: #fff; border-color: var(--brand-300);
  box-shadow: 0 0 0 4px rgba(10, 167, 155, 0.12);
}
.field.is-invalid input, .field.is-invalid select { border-color: #f0728f; background: #fffafa; }
.field__err { font-size: 12.5px; color: #d94f70; margin-top: 6px; min-height: 0; }
.field.is-invalid .field__err { min-height: 18px; }
.form .btn { margin-top: 8px; }
.form__tip { font-size: 12.5px; color: var(--muted); text-align: center; margin-top: 14px; line-height: 1.7; }
.form__tip a { color: var(--brand-600); }
.form__ok {
  margin-top: 16px; padding: 14px 16px; border-radius: 12px; font-size: 14.5px; font-weight: 600;
  background: var(--brand-50); color: var(--brand-700); border: 1px solid var(--brand-100);
}

/* ---------------- 页脚 ---------------- */
.footer { background: var(--bg-deep); color: rgba(207, 232, 231, 0.72); padding: 70px 0 30px; }
.footer__inner { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 44px; }
.footer__brand p { margin-top: 18px; font-size: 14.5px; line-height: 1.9; max-width: 330px; }
.footer__col { display: grid; gap: 12px; align-content: start; }
.footer__col h4 { color: #fff; font-size: 15px; margin-bottom: 6px; }
.footer__col a { font-size: 14.5px; color: rgba(207, 232, 231, 0.68); transition: color 0.25s var(--ease); }
.footer__col a:hover { color: var(--brand-300); }
.footer__bottom {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 14px;
  margin-top: 56px; padding-top: 26px; border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 13.5px; color: rgba(207, 232, 231, 0.5);
}
.footer__links { display: flex; gap: 22px; }
.footer__links a:hover { color: var(--brand-300); }

/* ---------------- 回到顶部 ---------------- */
.to-top {
  position: fixed; right: 26px; bottom: 26px; z-index: 90;
  width: 46px; height: 46px; border-radius: 50%; border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.94); color: var(--ink); display: grid; place-items: center;
  box-shadow: var(--shadow); opacity: 0; visibility: hidden; transform: translateY(12px);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease), visibility 0.3s;
}
.to-top:hover { color: var(--brand-600); border-color: var(--brand-300); }
.to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }

/* ---------------- 滚动出现动画（渐进增强：仅 JS 可用时隐藏） ---------------- */
.js [data-reveal] { opacity: 0; transform: translateY(24px); }
.js [data-reveal].is-visible {
  opacity: 1; transform: none;
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
}

/* ---------------- 响应式 ---------------- */
@media (max-width: 1080px) {
  .hero__inner { grid-template-columns: minmax(0, 1fr); gap: 52px; }
  .hero__sub { max-width: none; }
  .float-card--a { left: 8px; bottom: -20px; }
  .float-card--b { right: 8px; top: -18px; }
  .mock { transform: none; }
  .feature__grid, .solution__grid, .case__grid, .price__grid { grid-template-columns: repeat(2, 1fr); }
  .pain__grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; }
  .step::before { display: none; }
  .faq__inner { grid-template-columns: 1fr; gap: 36px; }
  .faq__head { position: static; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .nav__links {
    position: fixed; inset: 72px 0 auto 0; flex-direction: column; align-items: stretch;
    gap: 2px; margin: 0; padding: 14px 20px 24px;
    background: #fff; border-bottom: 1px solid var(--line); box-shadow: var(--shadow);
    transform: translateY(-12px); opacity: 0; visibility: hidden;
    transition: opacity 0.28s var(--ease), transform 0.28s var(--ease), visibility 0.28s;
  }
  .nav__links.is-open { transform: none; opacity: 1; visibility: visible; }
  .nav__links > a { padding: 13px 14px; border-radius: 12px; font-size: 16px; }
  .nav__links-cta { display: grid; gap: 10px; margin-top: 12px; }
  .nav__login { display: none; }
  .nav__actions .btn { display: none; }
  .nav__toggle { display: flex; }
  .hero { padding: 118px 0 70px; }
  .section { padding: 78px 0; }
  .cta__inner { grid-template-columns: 1fr; gap: 40px; }
  .form { padding: 28px 22px; }
}

@media (max-width: 620px) {
  .container { padding: 0 18px; }
  .mock__main { padding: 14px 14px 16px; gap: 12px; }
  .mock__stat { padding: 8px 9px; }
  .mock__stat b { font-size: 15px; }
  .mock__stat span { font-size: 10px; }
  .mock__url { margin-left: 6px; font-size: 11px; }
  .bars { height: 72px; gap: 6px; }
  .float-card { display: none; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); gap: 22px 8px; padding: 26px 16px; margin-top: -30px; }
  .stat:nth-child(odd) + .stat::before { display: none; }
  .stat:nth-child(3)::before { display: none; }
  .pain__grid, .feature__grid, .solution__grid, .case__grid, .price__grid { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; gap: 32px; }
  .footer__bottom { flex-direction: column; }
  .hero__cta .btn { flex: 1 1 100%; }
  .price__desc { min-height: 0; }
  .to-top { right: 16px; bottom: 16px; }
}

/* ---------------- 无障碍：减少动效 ---------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
  .js [data-reveal] { opacity: 1; transform: none; }
}

/* ---------------- 打印 ---------------- */
@media print {
  .nav, .to-top, .cta__inner form, .billing { display: none; }
  body { color: #000; }
}