:root {
  --bg: #f6fbf8;
  --bg-2: #eef7f1;
  --card: #ffffff;
  --ink: #1f2d26;
  --ink2: #52625a;
  --ink3: #8b9990;
  --mint: #2e7d5b;
  --mint-strong: #1f5c42;
  --mint-soft: #eaf7ef;
  --mint-line: #cfe9da;
  --line: #e4eee7;
  --gold: #b08442;
  --gold-soft: #fdf4e6;
  --radius: 22px;
  --shadow: 0 10px 30px rgba(31, 45, 38, 0.07);
  --shadow-lg: 0 28px 70px rgba(31, 45, 38, 0.14);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: 78px; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Segoe UI", sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* ---------- 顶部导航 ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(246, 251, 248, 0.82);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid rgba(47, 90, 71, 0.06);
}
.nav-inner {
  max-width: 1120px; margin: 0 auto; padding: 14px 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  color: var(--ink); font-weight: 700; font-size: 16px; letter-spacing: 0.02em;
}
.brand img {
  width: 32px; height: 32px; border-radius: 10px;
  box-shadow: 0 4px 12px rgba(46, 125, 91, 0.24);
}
.nav-links { display: flex; align-items: center; gap: 26px; font-size: 14px; }
.nav-links a { color: var(--ink2); white-space: nowrap; transition: color .2s; }
.nav-links a:hover { color: var(--mint); }

/* ---------- 通用按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 48px; padding: 0 24px; border-radius: 14px;
  font-size: 14.5px; font-weight: 600; white-space: nowrap;
  transition: transform .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease);
}
.btn-primary { background: var(--mint); color: #fff; box-shadow: 0 12px 28px rgba(46,125,91,.28); }
.btn-primary:hover { background: var(--mint-strong); transform: translateY(-1px); }
.btn-ghost { background: #fff; color: var(--ink2); border: 1px solid var(--line); }
.btn-ghost:hover { color: var(--mint); border-color: var(--mint-line); }
.btn-soon { background: var(--mint-soft); color: var(--mint-strong); border: 1px dashed var(--mint-line); cursor: default; }
.btn-light { background: #fff; color: var(--mint-strong); }
.btn-outline { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.42); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 90px 24px 60px;
  background:
    radial-gradient(1200px 500px at 78% -10%, rgba(46,125,91,.10), transparent 60%),
    radial-gradient(900px 420px at 12% 30%, rgba(176,132,66,.08), transparent 55%),
    linear-gradient(180deg, #f4faf6 0%, #f6fbf8 100%);
}
.hero-inner {
  max-width: 1120px; margin: 0 auto;
  display: grid; grid-template-columns: 1.08fr 0.92fr; gap: 56px; align-items: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: 999px;
  background: var(--mint-soft); color: var(--mint-strong);
  font-size: 12.5px; font-weight: 600; letter-spacing: 0.02em;
}
.hero h1 {
  margin-top: 22px;
  font-size: clamp(34px, 4.6vw, 56px);
  line-height: 1.18; letter-spacing: -0.02em; font-weight: 800;
}
.hero h1 .accent {
  background: linear-gradient(120deg, var(--mint) 0%, #43a87c 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-desc {
  margin-top: 22px; max-width: 480px;
  font-size: 15.5px; color: var(--ink2);
}
.hero-actions { margin-top: 32px; display: flex; flex-wrap: wrap; gap: 12px; }
.hero-note { margin-top: 14px; font-size: 12.5px; color: var(--ink3); }

.hero-visual { position: relative; display: flex; justify-content: center; align-items: center; min-height: 520px; }
.phone {
  position: relative;
  width: 280px; border-radius: 38px; overflow: hidden;
  background: #fff; border: 8px solid #1f2d26;
  box-shadow: var(--shadow-lg);
}
.phone::before {
  content: ""; position: absolute; top: 10px; left: 50%; transform: translateX(-50%);
  width: 70px; height: 18px; border-radius: 0 0 14px 14px; background: #1f2d26; z-index: 2;
}
.phone img { width: 100%; display: block; }
.phone.main { transform: rotate(-3deg); z-index: 3; }
.phone.back {
  position: absolute; right: 0; top: 60px;
  width: 210px; transform: rotate(8deg); opacity: .92; z-index: 1;
}
.phone.back2 {
  position: absolute; left: -10px; top: 100px;
  width: 180px; transform: rotate(-10deg); opacity: .7; z-index: 0;
}

/* ---------- 亮点条 ---------- */
.highlights { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff; }
.highlights-inner {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
  max-width: 1120px; margin: 0 auto; padding: 28px 24px;
}
.highlight { display: flex; gap: 12px; align-items: flex-start; }
.highlight-ico {
  flex: none; width: 36px; height: 36px; border-radius: 11px;
  background: var(--mint-soft); color: var(--mint);
  display: flex; align-items: center; justify-content: center; font-size: 16px;
}
.highlight b { display: block; font-size: 14px; font-weight: 700; }
.highlight span { font-size: 12.5px; color: var(--ink3); }

/* ---------- 区块通用 ---------- */
.section { padding: 90px 0; }
.section-head { max-width: 660px; margin: 0 auto 52px; text-align: center; }
.eyebrow {
  display: inline-block; margin-bottom: 12px;
  font-size: 12px; font-weight: 700; letter-spacing: 0.18em; color: var(--mint);
}
.section-head h2 {
  font-size: clamp(24px, 3.2vw, 36px);
  font-weight: 800; letter-spacing: -0.01em; line-height: 1.3;
}
.section-head p { margin-top: 14px; font-size: 15px; color: var(--ink2); }

/* ---------- 功能矩阵 ---------- */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 28px 26px;
  box-shadow: var(--shadow);
  transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--mint-line); }
.card .tag {
  display: inline-block; margin-bottom: 18px; padding: 3px 11px; border-radius: 8px;
  background: var(--mint-soft); color: var(--mint-strong);
  font-size: 11.5px; font-weight: 700; letter-spacing: 0.06em;
}
.card .ico {
  width: 44px; height: 44px; border-radius: 13px; margin-bottom: 16px;
  background: var(--mint-soft); color: var(--mint);
  display: flex; align-items: center; justify-content: center; font-size: 20px;
}
.card h3 { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.card p { font-size: 13.5px; color: var(--ink2); }
.card ul { margin-top: 14px; list-style: none; font-size: 13px; color: var(--ink2); }
.card ul li { position: relative; padding-left: 16px; margin-top: 7px; }
.card ul li::before {
  content: ""; position: absolute; left: 2px; top: 9px;
  width: 5px; height: 5px; border-radius: 50%; background: var(--mint-line);
}

/* ---------- 三步流程 ---------- */
.steps { background: linear-gradient(180deg, #fff 0%, var(--bg-2) 100%); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.steps-row {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; position: relative;
}
.step {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 28px; box-shadow: var(--shadow); position: relative;
}
.step-num {
  width: 36px; height: 36px; border-radius: 12px;
  background: linear-gradient(135deg, var(--mint), #43a87c);
  color: #fff; font-weight: 800; font-size: 16px;
  display: flex; align-items: center; justify-content: center; margin-bottom: 18px;
  box-shadow: 0 8px 20px rgba(46,125,91,.25);
}
.step h3 { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.step p { font-size: 13.5px; color: var(--ink2); }

/* ---------- 截图展示 ---------- */
.shots-row {
  display: flex; gap: 20px; overflow-x: auto;
  padding: 6px 24px 30px; scroll-snap-type: x mandatory;
  max-width: 1120px; margin: 0 auto;
  scrollbar-width: thin;
}
.shots-row::-webkit-scrollbar { height: 6px; }
.shots-row::-webkit-scrollbar-thumb { background: var(--mint-line); border-radius: 3px; }
.shot {
  flex: 0 0 auto; width: 240px;
  border-radius: 24px; overflow: hidden;
  background: #fff; border: 1px solid var(--line);
  box-shadow: var(--shadow); scroll-snap-align: start;
  transition: transform .22s var(--ease);
}
.shot:hover { transform: translateY(-4px); }
.shot img { width: 100%; }
.shot-cap {
  padding: 12px 14px 14px; font-size: 12.5px; color: var(--ink2);
  border-top: 1px solid var(--line);
  display: flex; align-items: center; justify-content: space-between;
}
.shot-cap b { color: var(--ink); font-weight: 600; }

/* ---------- 场景 ---------- */
.scene-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.scene {
  background: #fff; border: 1px solid var(--line);
  border-radius: 18px; padding: 24px 22px;
  transition: transform .2s var(--ease), box-shadow .2s;
}
.scene:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.scene em { display: block; font-style: normal; font-size: 26px; margin-bottom: 14px; }
.scene h4 { font-size: 15px; font-weight: 700; margin-bottom: 6px; }
.scene p { font-size: 13px; color: var(--ink3); }

/* ---------- 会员 ---------- */
.member {
  background: linear-gradient(180deg, var(--mint-soft) 0%, #f6fbf8 100%);
  border-top: 1px solid var(--mint-line); border-bottom: 1px solid var(--mint-line);
}
.member-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.plan {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px 30px; box-shadow: var(--shadow);
}
.plan.pro {
  border: 2px solid var(--mint-line);
  box-shadow: 0 20px 50px rgba(46,125,91,.16);
  position: relative;
}
.plan.pro::after {
  content: "推荐"; position: absolute; top: -12px; right: 28px;
  background: linear-gradient(135deg, var(--gold), #c99a56);
  color: #fff; font-size: 11px; font-weight: 700;
  padding: 4px 12px; border-radius: 999px;
  box-shadow: 0 6px 16px rgba(176,132,66,.3);
}
.plan-top { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
.plan h3 { font-size: 19px; font-weight: 800; }
.plan .price { font-size: 13px; color: var(--ink3); }
.plan .plan-list { margin-top: 22px; list-style: none; font-size: 13.8px; color: var(--ink2); }
.plan .plan-list li { position: relative; padding-left: 26px; margin-top: 12px; }
.plan .plan-list li::before {
  content: "✓"; position: absolute; left: 0; top: 0;
  color: var(--mint); font-weight: 700;
}
.plan .plan-list li.off { color: var(--ink3); }
.plan .plan-list li.off::before { content: "–"; color: var(--ink3); }
.member-note { margin-top: 22px; text-align: center; font-size: 12.5px; color: var(--ink3); }

/* ---------- FAQ ---------- */
.faq { max-width: 820px; margin: 0 auto; display: grid; gap: 12px; }
.faq details {
  background: #fff; border: 1px solid var(--line);
  border-radius: 16px; padding: 18px 22px;
  transition: border-color .2s;
}
.faq details[open] { border-color: var(--mint-line); }
.faq summary {
  cursor: pointer; font-size: 14.5px; font-weight: 600;
  list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 14px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; color: var(--mint); font-size: 20px; font-weight: 400; flex: none;
  transition: transform .2s;
}
.faq details[open] summary::after { content: "−"; }
.faq p { margin-top: 14px; font-size: 13.5px; color: var(--ink2); }

/* ---------- 关于 ---------- */
.about-card {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 38px 40px 34px;
  box-shadow: var(--shadow);
}
.about-card h2 { font-size: 22px; font-weight: 800; margin-bottom: 22px; }
.about-list {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px 30px;
  font-size: 13.5px; color: var(--ink2);
}
.about-list b { color: var(--ink); font-weight: 600; }

/* ---------- CTA ---------- */
.cta { padding: 0 0 90px; }
.cta-card {
  background: linear-gradient(135deg, #2e7d5b 0%, #164d36 100%);
  border-radius: 30px; padding: 54px 46px; color: #fff;
  display: flex; align-items: center; justify-content: space-between; gap: 32px;
  box-shadow: 0 28px 70px rgba(22, 77, 54, .28);
  position: relative; overflow: hidden;
}
.cta-card::before {
  content: ""; position: absolute; width: 400px; height: 400px;
  right: -100px; top: -200px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,.10), transparent 70%);
}
.cta-card h2 { font-size: 28px; font-weight: 800; line-height: 1.4; }
.cta-card p { margin-top: 12px; font-size: 14px; color: rgba(255,255,255,.78); }
.cta-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- 页脚 ---------- */
.footer { border-top: 1px solid var(--line); background: #fff; }
.footer-inner {
  max-width: 1120px; margin: 0 auto; padding: 28px 24px;
  display: flex; flex-wrap: wrap; align-items: center; gap: 18px;
  font-size: 12.5px; color: var(--ink3);
}
.footer-inner a { color: var(--ink3); transition: color .2s; }
.footer-inner a:hover { color: var(--mint); }
.footer-spacer { flex: 1; }

/* ---------- 法律页 ---------- */
.doc { max-width: 820px; margin: 0 auto; padding: 50px 24px 90px; }
.doc-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 40px 38px 36px; box-shadow: var(--shadow);
}
.doc h1 { font-size: 27px; font-weight: 800; letter-spacing: -0.01em; }
.doc .meta { margin: 8px 0 28px; font-size: 12.5px; color: var(--ink3); }
.doc h2 { margin: 28px 0 10px; font-size: 17px; font-weight: 700; }
.doc h3 { margin: 18px 0 6px; font-size: 14.5px; font-weight: 600; }
.doc p, .doc li { font-size: 13.8px; color: var(--ink2); }
.doc p { margin-top: 10px; }
.doc ul, .doc ol { margin-top: 8px; padding-left: 22px; }
.doc li { margin-top: 6px; }
.doc a { color: var(--mint); }

/* ---------- 响应式 ---------- */
@media (max-width: 920px) {
  .hero { padding-top: 60px; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .hero-desc { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-visual { min-height: 420px; }
  .phone.main { width: 230px; }
  .phone.back { width: 170px; top: 40px; }
  .phone.back2 { display: none; }
  .highlights-inner { grid-template-columns: repeat(2, 1fr); }
  .grid { grid-template-columns: repeat(2, 1fr); }
  .steps-row { grid-template-columns: 1fr; }
  .scene-grid { grid-template-columns: repeat(2, 1fr); }
  .member-grid { grid-template-columns: 1fr; }
  .about-list { grid-template-columns: 1fr; }
  .cta-card { flex-direction: column; align-items: flex-start; padding: 40px 28px; }
}
@media (max-width: 620px) {
  .nav-links { display: none; }
  .section { padding: 64px 0; }
  .grid, .scene-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 34px; }
  .about-card { padding: 30px 24px; }
  .doc-card { padding: 28px 22px; }
}