/* ============================================================
   鲜达 SaaS 官网 · 样式
   主色 #00b42a（与业务系统一致）
   ============================================================ */

:root {
  --g: #00b42a;
  --g-d: #009021;
  --g-deep: #00801d;
  --g-soft: #e9f9ec;
  --ink: #0d1a12;
  --ink-2: #1d2b22;
  --muted: #63736a;
  --muted-2: #8a988f;
  --bg: #ffffff;
  --bg-alt: #f5f8f5;
  --line: #e4ece5;
  --dark: #08170f;
  --dark-2: #0d2117;
  --radius: 18px;
  --shadow-s: 0 1px 2px rgba(13, 26, 18, .05), 0 6px 18px rgba(13, 26, 18, .05);
  --shadow-m: 0 2px 6px rgba(13, 26, 18, .06), 0 18px 40px -12px rgba(13, 26, 18, .14);
  --shadow-l: 0 30px 70px -30px rgba(8, 40, 22, .45);
  --ease: cubic-bezier(.22, .8, .28, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, h5 { margin: 0; line-height: 1.25; letter-spacing: -.02em; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
s { color: var(--muted-2); }

.wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.wrap-narrow { max-width: 820px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  padding: 13px 24px;
  cursor: pointer;
  white-space: nowrap;
  transition: transform .18s var(--ease), box-shadow .22s var(--ease), background .2s, border-color .2s, color .2s;
}
.btn:active { transform: translateY(1px) scale(.99); }
.btn-primary { background: var(--g); color: #fff; box-shadow: 0 8px 22px -8px rgba(0, 180, 42, .7); }
.btn-primary:hover { background: var(--g-d); box-shadow: 0 12px 28px -10px rgba(0, 180, 42, .8); transform: translateY(-1px); }
.btn-line { border-color: var(--line); color: var(--ink-2); background: #fff; }
.btn-line:hover { border-color: #b9d8c0; background: var(--g-soft); color: var(--g-deep); }
.btn-ghost { color: var(--ink-2); }
.btn-ghost:hover { color: var(--g-deep); background: var(--g-soft); }
.btn-white { background: #fff; color: var(--ink); box-shadow: 0 14px 30px -14px rgba(0, 0, 0, .5); }
.btn-white:hover { transform: translateY(-2px); }
.btn-glass { color: #fff; border-color: rgba(255, 255, 255, .35); background: rgba(255, 255, 255, .08); backdrop-filter: blur(6px); }
.btn-glass:hover { background: rgba(255, 255, 255, .16); }
.btn-sm { padding: 10px 18px; font-size: 14px; }
.btn-lg { padding: 16px 30px; font-size: 16.5px; }
.btn-block { width: 100%; }

/* ---------- 导航 ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  padding: 14px 0;
  transition: background .25s, box-shadow .25s, padding .25s, border-color .25s;
  border-bottom: 1px solid transparent;
}
.nav.solid {
  background: rgba(255, 255, 255, .86);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom-color: var(--line);
  padding: 10px 0;
  box-shadow: 0 6px 24px -18px rgba(13, 26, 18, .5);
}
.nav-in { display: flex; align-items: center; gap: 28px; }

.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 36px; height: 36px;
  border-radius: 11px;
  background: linear-gradient(160deg, #00c531, #00871e);
  color: #fff;
  box-shadow: 0 6px 16px -6px rgba(0, 180, 42, .7);
}
.brand-mark svg { width: 21px; height: 21px; }
.brand-txt { display: flex; align-items: baseline; gap: 3px; font-size: 19px; letter-spacing: -.02em; }
.brand-txt b { font-weight: 800; }
.brand-txt i { font-style: normal; font-weight: 700; font-size: 12px; letter-spacing: .06em; color: var(--muted-2); text-transform: uppercase; }

.nav .brand-txt { color: #fff; }
.nav .brand-txt i { color: rgba(255, 255, 255, .6); }
.nav.solid .brand-txt { color: var(--ink); }
.nav.solid .brand-txt i { color: var(--muted-2); }

.nav-links { display: flex; gap: 26px; margin-left: auto; }
.nav-links .only-m { display: none; }
.nav-links a {
  font-size: 14.5px;
  font-weight: 500;
  color: rgba(255, 255, 255, .78);
  transition: color .2s;
  position: relative;
}
.nav-links a:hover { color: #fff; }
.nav-links a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: -6px;
  height: 2px; background: currentColor; border-radius: 2px;
  transition: right .25s var(--ease);
}
.nav-links a:hover::after { right: 0; }
.nav.solid .nav-links a { color: var(--muted); }
.nav.solid .nav-links a:hover { color: var(--ink); }

.nav-act { display: flex; align-items: center; gap: 8px; }
.nav .btn-ghost { color: #fff; }
.nav .btn-ghost:hover { background: rgba(255, 255, 255, .14); color: #fff; }
.nav.solid .btn-ghost { color: var(--ink-2); }
.nav.solid .btn-ghost:hover { background: var(--g-soft); color: var(--g-deep); }

.burger { display: none; width: 40px; height: 40px; border: 0; background: transparent; padding: 10px 8px; cursor: pointer; }
.burger span { display: block; height: 2px; background: #fff; border-radius: 2px; margin: 4px 0; transition: .25s var(--ease); }
.nav.solid .burger span { background: var(--ink); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: #07160e;
  color: #fff;
  padding: 132px 0 64px;
  overflow: hidden;
  isolation: isolate;
}
.hero-glow {
  position: absolute;
  width: 980px; height: 980px;
  left: 50%; top: -560px;
  transform: translateX(-38%);
  background: radial-gradient(circle, rgba(0, 180, 42, .34), rgba(0, 180, 42, 0) 62%);
  filter: blur(10px);
  z-index: -2;
}
.hero-grid {
  position: absolute; inset: 0; z-index: -1;
  background-image:
    linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 62px 62px;
  mask-image: radial-gradient(ellipse 90% 60% at 50% 20%, #000 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 90% 60% at 50% 20%, #000 20%, transparent 78%);
}
.hero::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: 0; height: 140px;
  background: linear-gradient(to bottom, transparent, #07160e);
  z-index: -1;
}

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

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: #b8f5c6;
  background: rgba(0, 180, 42, .14);
  border: 1px solid rgba(0, 180, 42, .3);
  padding: 7px 14px;
  border-radius: 999px;
  letter-spacing: .01em;
}
.pill .dot { width: 7px; height: 7px; border-radius: 50%; background: #3ee45f; box-shadow: 0 0 0 4px rgba(62, 228, 95, .18); }

.hero h1 {
  font-size: clamp(30px, 3.9vw, 48px);
  font-weight: 800;
  letter-spacing: -.035em;
  line-height: 1.14;
  margin: 22px 0 20px;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(100deg, #4ee86b, #00b42a 62%, #7bf593);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  font-size: 16.5px;
  line-height: 1.85;
  color: rgba(255, 255, 255, .74);
  max-width: 540px;
}
.hero-act { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 34px;
  margin-top: 44px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, .09);
}
.hero-stats div { display: flex; align-items: baseline; gap: 7px; }
.hero-stats b {
  font-size: 30px; font-weight: 800; letter-spacing: -.03em;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(180deg, #fff, #a9f0ba);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-stats span { font-size: 13px; color: rgba(255, 255, 255, .5); }

/* ---------- Hero 产品预览 ---------- */
.hero-shot { position: relative; padding-bottom: 52px; }
.shot-win {
  position: relative;
  z-index: 1;
  color: var(--ink);
  border-radius: 16px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 50px 90px -40px rgba(0, 0, 0, .8), 0 0 0 1px rgba(255, 255, 255, .12);
  transform: perspective(1400px) rotateY(-7deg) rotateX(2.5deg) scale(1.02);
  transform-origin: right center;
  animation: floatIn 1s var(--ease) both;
}
@keyframes floatIn {
  from { opacity: 0; transform: perspective(1400px) rotateY(-14deg) rotateX(5deg) translateY(24px) scale(.96); }
  to { opacity: 1; transform: perspective(1400px) rotateY(-7deg) rotateX(2.5deg) scale(1.02); }
}
.shot-bar {
  display: flex; align-items: center; gap: 14px;
  padding: 10px 14px;
  background: #f2f4f3;
  border-bottom: 1px solid #e7ebe8;
}
.shot-dots { display: flex; gap: 6px; }
.shot-dots i { width: 9px; height: 9px; border-radius: 50%; background: #d8ded9; }
.shot-dots i:first-child { background: #ff5f57; }
.shot-dots i:nth-child(2) { background: #febc2e; }
.shot-dots i:nth-child(3) { background: #28c840; }
.shot-url {
  flex: 1; text-align: center;
  font-size: 11px; color: #97a39b;
  background: #fff; border-radius: 6px; padding: 3px 10px;
  max-width: 260px; margin: 0 auto;
}

.shot-body { display: flex; background: #fbfcfb; }
.shot-side {
  width: 118px; flex: none;
  padding: 14px 10px;
  background: #fff;
  border-right: 1px solid #eef1ef;
  display: flex; flex-direction: column; gap: 3px;
}
.ss-logo { display: flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 800; color: #0d1a12; padding: 3px 6px 12px; }
.ss-logo span { width: 16px; height: 16px; border-radius: 5px; background: linear-gradient(160deg, #00c531, #00871e); }
.ss-item {
  display: flex; align-items: center; gap: 6px;
  font-size: 10.5px; color: #6b7a71;
  padding: 6px 7px; border-radius: 6px;
}
.ss-item i { width: 10px; height: 10px; border-radius: 3px; background: #dfe7e1; flex: none; }
.ss-item.on { background: #e9f9ec; color: #00801d; font-weight: 700; }
.ss-item.on i { background: #00b42a; }

.shot-main { flex: 1; padding: 14px 16px 16px; min-width: 0; }
.sm-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.sm-head b { font-size: 14px; display: block; }
.sm-head span { font-size: 10px; color: #97a39b; }
.sm-tag { font-size: 9.5px; color: #00801d; background: #e9f9ec; padding: 2px 8px; border-radius: 999px; font-weight: 600; }

.sm-kpi { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 12px; }
.kpi { background: #fff; border: 1px solid #edf1ee; border-radius: 9px; padding: 9px 10px; }
.kpi span { display: block; font-size: 9.5px; color: #8a988f; margin-bottom: 3px; }
.kpi b { font-size: 15px; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.kpi i { display: block; font-size: 9px; font-style: normal; margin-top: 2px; }
.kpi i.up { color: #00a02a; }
.kpi i.warn { color: #d97706; }

.sm-chart { background: #fff; border: 1px solid #edf1ee; border-radius: 9px; padding: 10px 12px 6px; margin-bottom: 10px; }
.bars { display: flex; align-items: flex-end; gap: 6px; height: 62px; }
.bars i {
  flex: 1;
  height: var(--h);
  border-radius: 3px 3px 2px 2px;
  background: linear-gradient(to top, #c9f2d3, #7fe098);
  animation: growBar .9s var(--ease) both;
}
.bars i:nth-child(2n) { background: linear-gradient(to top, #b7edc4, #00b42a); }
.bars i:last-child { background: linear-gradient(to top, #00b42a, #12cf43); }
@keyframes growBar { from { transform: scaleY(.1); transform-origin: bottom; opacity: .4; } to { transform: scaleY(1); opacity: 1; } }
.chart-lbl { display: flex; justify-content: space-between; font-size: 8.5px; color: #a7b2aa; padding-top: 5px; }

.sm-list { display: flex; flex-direction: column; gap: 5px; }
.sm-list .row {
  display: flex; align-items: center; gap: 8px;
  background: #fff; border: 1px solid #edf1ee; border-radius: 8px;
  padding: 7px 9px; font-size: 10px;
}
.sm-list .row b { font-weight: 600; flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sm-list .row em { font-style: normal; font-variant-numeric: tabular-nums; color: #4a5a51; }
.st { font-size: 8.5px; padding: 2px 6px; border-radius: 4px; font-weight: 600; flex: none; }
.st-a { background: #fff3e0; color: #b45309; }
.st-b { background: #e8f3ff; color: #1d6fd0; }
.st-c { background: #e6f8f4; color: #0b8f78; }

.shot-badge {
  position: absolute;
  z-index: 3;
  color: var(--ink);
  left: 24px; bottom: 0;
  display: flex; align-items: center; gap: 10px;
  background: #fff;
  border-radius: 14px;
  padding: 11px 16px 11px 12px;
  box-shadow: 0 22px 44px -18px rgba(0, 0, 0, .55);
  animation: floaty 5s ease-in-out infinite;
}
@keyframes floaty { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-9px); } }
.sb-ic { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 10px; background: var(--g-soft); color: var(--g-deep); }
.sb-ic svg { width: 17px; height: 17px; }
.shot-badge b { display: block; font-size: 12.5px; line-height: 1.3; white-space: nowrap; }
.shot-badge span { font-size: 10.5px; line-height: 1.4; color: var(--muted-2); white-space: nowrap; }

/* ---------- 场景条 ---------- */
.scenes {
  display: flex; flex-wrap: wrap; gap: 10px 12px;
  justify-content: center;
  margin-top: 56px;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, .08);
}
.scenes span {
  font-size: 13px;
  color: rgba(255, 255, 255, .5);
  padding: 6px 15px;
  border: 1px solid rgba(255, 255, 255, .11);
  border-radius: 999px;
  transition: .22s var(--ease);
}
.scenes span:hover { color: #9df3ae; border-color: rgba(0, 180, 42, .45); background: rgba(0, 180, 42, .1); }

/* ---------- 通用区块 ---------- */
.sec { padding: 104px 0; position: relative; }
.sec-alt { background: var(--bg-alt); }
.sec-dark { background: var(--dark); color: #fff; }
.sec-head { max-width: 660px; margin: 0 auto 56px; text-align: center; }
.kicker {
  display: inline-block;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--g-d);
  text-transform: uppercase;
  margin-bottom: 14px;
  padding: 5px 12px;
  background: var(--g-soft);
  border-radius: 999px;
}
.sec-dark .kicker { color: #7ef097; background: rgba(0, 180, 42, .14); }
.sec-head h2 { font-size: clamp(26px, 3.1vw, 38px); font-weight: 800; letter-spacing: -.03em; text-wrap: balance; }
.sec-head p { margin-top: 16px; font-size: 16px; color: var(--muted); line-height: 1.8; }
.sec-head.light p { color: rgba(255, 255, 255, .6); }

/* ---------- 痛点 ---------- */
.pain-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.pain-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 28px 26px;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
}
.pain-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-m); border-color: #cfe6d5; }
.pc-ic {
  display: grid; place-items: center;
  width: 46px; height: 46px;
  border-radius: 13px;
  background: #fff1f0;
  color: #e5484d;
  margin-bottom: 20px;
}
.pc-ic svg { width: 23px; height: 23px; }
.pain-card h3 { font-size: 18.5px; font-weight: 700; margin-bottom: 10px; }
.pain-card p { font-size: 14.5px; color: var(--muted); line-height: 1.8; }
.pc-bad {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  margin-top: auto;
  padding-top: 18px; padding-top: 16px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
}
.pc-bad .arrow { color: var(--muted-2); }
.pc-bad b { color: var(--g-deep); font-weight: 700; }

/* ---------- 功能 ---------- */
.tabs {
  display: flex; justify-content: center; flex-wrap: wrap; gap: 8px;
  margin-bottom: 34px;
}
.tab {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  padding: 10px 20px;
  border-radius: 999px;
  cursor: pointer;
  transition: .2s var(--ease);
}
.tab:hover { color: var(--ink); border-color: #c8dfcd; }
.tab.on { background: var(--ink); color: #fff; border-color: var(--ink); }

.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feat {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 26px 24px;
  transition: transform .28s var(--ease), box-shadow .28s var(--ease), border-color .28s;
  position: relative;
  overflow: hidden;
}
.feat::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 3px;
  background: var(--g); transform: scaleX(0); transform-origin: left;
  transition: transform .35s var(--ease);
}
.feat:hover { transform: translateY(-4px); box-shadow: var(--shadow-m); border-color: #cfe6d5; }
.feat:hover::before { transform: scaleX(1); }
.f-ic {
  display: grid; place-items: center;
  width: 42px; height: 42px;
  border-radius: 12px;
  color: var(--c, var(--g));
  background: color-mix(in srgb, var(--c, var(--g)) 12%, #fff);
  margin-bottom: 16px;
}
.f-ic svg { width: 21px; height: 21px; }
.feat h3 { font-size: 16.5px; font-weight: 700; margin-bottom: 8px; }
.feat p { font-size: 14px; color: var(--muted); line-height: 1.75; }
.feat[hidden] { display: none; }

/* ---------- 流程 ---------- */
.flow {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0;
  position: relative;
  counter-reset: step;
}
.flow::before {
  content: "";
  position: absolute;
  left: 8%; right: 8%; top: 30px;
  height: 2px;
  background: linear-gradient(90deg, #d6ecdb, var(--g), #d6ecdb);
  opacity: .55;
}
.flow li {
  position: relative;
  padding: 0 12px;
  text-align: center;
}
.fl-n {
  display: grid; place-items: center;
  width: 60px; height: 60px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid #dff0e3;
  color: var(--g-deep);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: -.02em;
  position: relative;
  z-index: 1;
  transition: .3s var(--ease);
}
.flow li:hover .fl-n { background: var(--g); color: #fff; border-color: var(--g); transform: scale(1.06); box-shadow: 0 12px 26px -12px rgba(0, 180, 42, .8); }
.flow h3 { font-size: 15.5px; font-weight: 700; margin-bottom: 7px; }
.flow p { font-size: 13px; color: var(--muted); line-height: 1.7; }

.flow-note {
  display: flex; align-items: flex-start; gap: 16px;
  margin-top: 54px;
  padding: 22px 26px;
  background: var(--g-soft);
  border: 1px solid #d3efd9;
  border-radius: 16px;
}
.fn-ic { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 11px; background: #fff; color: var(--g-deep); flex: none; }
.fn-ic svg { width: 20px; height: 20px; }
.flow-note b { font-size: 15.5px; }
.flow-note p { font-size: 14px; color: #3d5c46; margin-top: 4px; }

/* ---------- 角色 ---------- */
.roles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.role {
  background: linear-gradient(180deg, rgba(255, 255, 255, .062), rgba(255, 255, 255, .022));
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 15px;
  padding: 24px 22px;
  transition: .28s var(--ease);
}
.role:hover { background: rgba(0, 180, 42, .1); border-color: rgba(0, 180, 42, .38); transform: translateY(-3px); }
.role b { display: block; font-size: 16px; font-weight: 700; margin-bottom: 8px; color: #fff; }
.role p { font-size: 13.5px; color: rgba(255, 255, 255, .55); line-height: 1.75; }

.dark-note {
  display: grid; grid-template-columns: 1fr 1fr; gap: 40px;
  margin-top: 48px; padding-top: 36px;
  border-top: 1px solid rgba(255, 255, 255, .09);
}
.dn-col h4 { font-size: 15px; font-weight: 700; margin-bottom: 10px; color: #9df3ae; }
.dn-col p { font-size: 14px; color: rgba(255, 255, 255, .58); line-height: 1.85; }
.dn-col b { color: rgba(255, 255, 255, .88); font-weight: 600; }

/* ---------- 多端 ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.split-copy h2 { font-size: clamp(26px, 3vw, 36px); font-weight: 800; letter-spacing: -.03em; margin: 14px 0 18px; }
.split-copy > p { font-size: 16px; color: var(--muted); line-height: 1.85; }
.check-list { margin-top: 28px; display: flex; flex-direction: column; gap: 14px; }
.check-list li { display: flex; align-items: flex-start; gap: 12px; font-size: 15px; color: var(--ink-2); }
.check-list i {
  width: 20px; height: 20px; border-radius: 50%; flex: none; margin-top: 3px;
  background: var(--g-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2300a02a' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/12px no-repeat;
}

.phones { display: flex; align-items: flex-start; justify-content: center; gap: 22px; color: var(--ink); }
.phone {
  width: 224px;
  border-radius: 30px;
  background: #0d1a12;
  padding: 8px;
  box-shadow: var(--shadow-l);
  position: relative;
}
.phone-b { margin-top: 42px; }
.ph-notch {
  position: absolute; top: 14px; left: 50%; transform: translateX(-50%);
  width: 62px; height: 5px; border-radius: 99px; background: #2a3a30;
}
.ph-screen { background: #fbfcfb; border-radius: 23px; padding: 30px 14px 16px; overflow: hidden; }
.ph-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 12px; }
.ph-head b { font-size: 14px; font-weight: 800; color: var(--ink); }
.ph-head span { font-size: 10px; color: var(--muted-2); }
.ph-search {
  font-size: 10px; color: #a7b2aa;
  background: #fff; border: 1px solid #e9eeea; border-radius: 8px;
  padding: 7px 10px; margin-bottom: 10px;
}
.ph-item { display: flex; align-items: center; gap: 9px; background: #fff; border: 1px solid #eff3f0; border-radius: 10px; padding: 8px; margin-bottom: 7px; }
.ph-img { width: 34px; height: 34px; border-radius: 8px; background: linear-gradient(150deg, #d9f0dd, #a8e0b6); flex: none; }
.ph-img.g2 { background: linear-gradient(150deg, #dff7cf, #93dd8c); }
.ph-img.g3 { background: linear-gradient(150deg, #ffe0dc, #ffb3a8); }
.ph-item b { display: block; font-size: 11px; color: var(--ink); }
.ph-item em { font-style: normal; font-size: 10px; color: var(--g-d); font-weight: 600; }
.ph-add {
  margin-left: auto; width: 20px; height: 20px; border-radius: 50%;
  background: var(--g); color: #fff; font-style: normal;
  font-size: 13px; line-height: 19px; text-align: center; font-weight: 700;
}
.ph-bar {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 12px; padding-top: 10px;
  border-top: 1px solid #eef2ef;
  font-size: 10.5px; color: var(--muted);
}
.ph-bar b { font-size: 14px; color: var(--ink); letter-spacing: -.02em; }

.ph-pick { display: flex; flex-direction: column; gap: 6px; }
.pk-row {
  display: flex; justify-content: space-between; align-items: center;
  background: #fff; border: 1px solid #eff3f0; border-radius: 9px;
  padding: 9px 11px; font-size: 11px; color: var(--ink-2);
}
.pk-w { font-variant-numeric: tabular-nums; color: var(--g-d); font-size: 12px; }
.pk-row.dim { opacity: .55; }
.pk-row.dim .pk-w { color: #e5484d; }

/* ---------- 为什么 ---------- */
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.why { background: #fff; padding: 30px 28px; transition: background .25s; }
.why:hover { background: #fbfdfb; }
.why b { display: block; font-size: 16.5px; font-weight: 700; margin-bottom: 9px; padding-left: 16px; position: relative; }
.why b::before {
  content: ""; position: absolute; left: 0; top: 7px; bottom: 7px;
  width: 3px; border-radius: 3px; background: var(--g);
}
.why p { font-size: 14px; color: var(--muted); line-height: 1.8; }

/* ---------- 价格 ---------- */
.plans { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; align-items: stretch; }
.plan {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 28px 24px 26px;
  display: flex; flex-direction: column;
  position: relative;
  transition: transform .28s var(--ease), box-shadow .28s var(--ease);
}
.plan:hover { transform: translateY(-4px); box-shadow: var(--shadow-m); }
.plan-hi {
  border-color: var(--g);
  box-shadow: 0 24px 50px -26px rgba(0, 180, 42, .55);
  background: linear-gradient(180deg, #f4fdf6, #fff 40%);
}
.plan-badge {
  position: absolute; top: -11px; left: 24px;
  font-size: 11.5px; font-weight: 700; color: #fff;
  background: var(--g);
  padding: 4px 12px; border-radius: 999px;
  box-shadow: 0 8px 18px -8px rgba(0, 180, 42, .9);
}
.plan header { display: flex; align-items: center; gap: 8px; margin-bottom: 14px; }
.plan header b { font-size: 17px; font-weight: 800; }
.pt-tag { font-size: 11px; font-weight: 700; color: var(--g-deep); background: var(--g-soft); padding: 2px 8px; border-radius: 5px; }
.price { display: flex; align-items: baseline; gap: 2px; font-size: 40px; font-weight: 800; letter-spacing: -.04em; line-height: 1; }
.price em { font-style: normal; font-size: 20px; font-weight: 700; margin-right: 2px; }
.price small { font-size: 13px; font-weight: 500; color: var(--muted-2); margin-left: 4px; letter-spacing: 0; }
.plan-sub { font-size: 13px; color: var(--muted); margin: 12px 0 18px; min-height: 40px; }
.plan ul { display: flex; flex-direction: column; gap: 9px; padding-top: 18px; border-top: 1px solid var(--line); flex: 1; }
.plan li {
  font-size: 13.5px; color: var(--ink-2); padding-left: 22px; position: relative; line-height: 1.6;
}
.plan li::before {
  content: ""; position: absolute; left: 0; top: 4px;
  width: 14px; height: 14px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2300a02a' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/contain no-repeat;
}
.plan .btn { margin-top: 22px; }
.plan-foot { text-align: center; font-size: 13.5px; color: var(--muted-2); margin-top: 30px; }

/* ---------- FAQ ---------- */
.faq { display: flex; flex-direction: column; gap: 10px; }
.faq details {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  padding: 0 24px;
  transition: border-color .22s, box-shadow .22s;
}
.faq details[open] { border-color: #cfe6d5; box-shadow: var(--shadow-s); }
.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 19px 30px 19px 0;
  font-size: 15.5px;
  font-weight: 600;
  position: relative;
  color: var(--ink);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "";
  position: absolute; right: 2px; top: 50%;
  width: 9px; height: 9px;
  border-right: 2px solid var(--muted-2);
  border-bottom: 2px solid var(--muted-2);
  transform: translateY(-70%) rotate(45deg);
  transition: transform .25s var(--ease);
}
.faq details[open] summary::after { transform: translateY(-30%) rotate(-135deg); border-color: var(--g); }
.faq p { font-size: 14.5px; color: var(--muted); line-height: 1.85; padding: 0 20px 22px 0; margin-top: -4px; }

/* ---------- CTA ---------- */
.cta {
  position: relative;
  background: linear-gradient(150deg, #04120a, #0a2a17 55%, #073b1d);
  color: #fff;
  padding: 96px 0;
  text-align: center;
  overflow: hidden;
}
.cta-glow {
  position: absolute; left: 50%; top: -40%;
  width: 900px; height: 900px; transform: translateX(-50%);
  background: radial-gradient(circle, rgba(0, 200, 50, .2), transparent 58%);
  z-index: 0;
}
.cta-in { position: relative; z-index: 1; }
.cta h2 { font-size: clamp(26px, 3.4vw, 40px); font-weight: 800; letter-spacing: -.03em; }
.cta p { font-size: 16px; color: rgba(255, 255, 255, .65); margin-top: 16px; }
.cta-act { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.cta-points { display: flex; justify-content: center; flex-wrap: wrap; gap: 22px; margin-top: 32px; font-size: 13px; color: rgba(255, 255, 255, .5); }
.cta-points span { display: inline-flex; align-items: center; gap: 7px; }
.cta-points span::before {
  content: ""; width: 5px; height: 5px; border-radius: 50%; background: #3ee45f;
}

/* ---------- 页脚 ---------- */
.foot { background: #04100a; color: rgba(255, 255, 255, .55); padding: 62px 0 28px; }
.foot-in { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; }
.brand-light .brand-txt { color: #fff; }
.brand-light .brand-txt i { color: rgba(255, 255, 255, .45); }
.foot-brand p { font-size: 13.5px; margin-top: 16px; line-height: 1.9; color: rgba(255, 255, 255, .42); }
.foot-col { display: flex; flex-direction: column; gap: 11px; }
.foot-col h5 { font-size: 13px; font-weight: 700; color: #fff; margin-bottom: 4px; letter-spacing: .02em; }
.foot-col a { font-size: 13.5px; color: rgba(255, 255, 255, .5); transition: color .2s; }
.foot-col a:hover { color: #7ef097; }
/* 页脚长尾词块：给搜索引擎补充「适用场景 / 能力清单」的语义，同时不打扰正常阅读 */
.foot-seo {
  margin-top: 40px; padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, .06);
  display: grid; gap: 7px;
  font-size: 12.5px; line-height: 1.9; color: rgba(255, 255, 255, .34);
}
.foot-seo b { color: rgba(255, 255, 255, .58); font-weight: 600; margin-right: 12px; }
.foot-bot {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  margin-top: 22px; padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, .07);
  font-size: 12.5px; color: rgba(255, 255, 255, .3);
}

/* ---------- 滚动渐入 ----------
 * 只在脚本可用时（html.js）才把内容设为透明：
 *   · 爬虫 / 禁用 JS / 脚本加载失败 → 内容始终可见，不会出现「空白页」
 *   · 支持 scripting 媒体的浏览器再叠加一层纯 CSS 兜底
 */
.reveal { transition: opacity .6s var(--ease), transform .6s var(--ease); }
html.js .reveal { opacity: 0; transform: translateY(18px); }
html.js .reveal.in { opacity: 1; transform: none; }
@media (scripting: none) {
  html.js .reveal { opacity: 1 !important; transform: none !important; }
}

/* ---------- 键盘可达性（对 SEO 无直接权重，但降低跳出率） ---------- */
.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 100;
  padding: 10px 18px; border-radius: 10px;
  background: var(--g); color: #fff; font-size: 14px; font-weight: 600;
  transition: top .2s var(--ease);
}
.skip-link:focus { top: 12px; }
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 2px solid var(--g); outline-offset: 3px; border-radius: 6px;
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1080px) {
  .hero-in { grid-template-columns: 1fr; gap: 60px; }
  .shot-win { transform: none; animation: none; max-width: 620px; }
  .shot-badge { left: 16px; bottom: 0; }
  .hero { padding-bottom: 90px; }
  .roles { grid-template-columns: repeat(2, 1fr); }
  .feat-grid { grid-template-columns: repeat(2, 1fr); }
  .pain-grid { grid-template-columns: 1fr; }
  .flow { grid-template-columns: repeat(3, 1fr); gap: 34px 0; }
  .flow::before { display: none; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .plans { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; gap: 48px; }
  .foot-in { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 820px) {
  .nav-links {
    position: fixed;
    inset: 62px 0 auto 0;
    flex-direction: column;
    gap: 0;
    background: #fff;
    padding: 8px 20px 18px;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 20px 40px -24px rgba(0, 0, 0, .4);
    opacity: 0; pointer-events: none; transform: translateY(-10px);
    transition: .24s var(--ease);
  }
  .nav-links.open { opacity: 1; pointer-events: auto; transform: none; }
  .nav-links a { color: var(--ink-2) !important; padding: 13px 2px; border-bottom: 1px solid #f0f4f1; font-size: 15px; }
  .nav-links a::after { display: none; }
  .nav-links .only-m { display: block; }
  .nav.solid .nav-links { top: 56px; }
  .burger { display: block; }
  .nav-act { margin-left: auto; }
  .nav-act .btn-ghost { display: none; }

  .sec { padding: 72px 0; }
  .sec-head { margin-bottom: 40px; }
  .sec-head p { font-size: 15px; }
  .hero { padding: 108px 0 72px; }
  .hero-stats { gap: 22px 30px; }
  .hero-stats b { font-size: 25px; }
  .scenes { margin-top: 44px; }
  .why-grid { grid-template-columns: 1fr; }
  .dark-note { grid-template-columns: 1fr; gap: 26px; }
  .pain-card { padding: 24px 22px 22px; }
  .why { padding: 24px 22px; }
  .plan { padding: 24px 20px 22px; }
  .phones { gap: 14px; }
  .phone { width: 190px; }
  .phone-b { margin-top: 30px; }
  .cta { padding: 72px 0; }
  .foot { padding: 48px 0 24px; }
}

@media (max-width: 600px) {
  body { font-size: 15px; }
  .wrap { padding: 0 18px; }
  .hero h1 { font-size: 31px; line-height: 1.22; }
  .hero-sub { font-size: 15px; line-height: 1.8; }
  .hero-act .btn { flex: 1 1 calc(50% - 6px); min-width: 0; padding: 15px 10px; font-size: 15px; }
  .hero-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
  .shot-side { display: none; }
  .shot-body { display: block; }
  .shot-badge { left: 10px; bottom: 0; padding: 9px 13px 9px 10px; }
  .shot-badge b { font-size: 11.5px; }
  .shot-badge span { font-size: 9.5px; }
  .feat-grid { grid-template-columns: 1fr; }
  .feat { padding: 20px 18px; }
  .f-ic { width: 36px; height: 36px; border-radius: 10px; margin-bottom: 10px; }
  .f-ic svg { width: 18px; height: 18px; }
  .feat h3 { font-size: 16px; }
  .roles { grid-template-columns: 1fr; }
  .flow { grid-template-columns: 1fr 1fr; gap: 26px 0; }
  .flow li { text-align: left; padding-left: 74px; }
  .fl-n { position: absolute; left: 0; top: 0; width: 52px; height: 52px; margin: 0; }
  .flow h3 { padding-top: 6px; }
  .plans { grid-template-columns: 1fr; }
  .plan-hi { order: -1; }
  .phones { flex-direction: column; align-items: center; }
  .phone { width: 232px; }
  .phone-b { margin-top: 0; }
  .cta-points { gap: 12px 18px; font-size: 12px; }
  .foot-in { grid-template-columns: 1fr 1fr; gap: 26px; }
  .foot-brand { grid-column: 1 / -1; }
  .foot-bot { flex-direction: column; font-size: 11.5px; }
  .tabs { gap: 6px; }
  .tab { padding: 9px 14px; font-size: 13px; }
}

body.menu-open { overflow: hidden; }
body.menu-open .burger span:first-child { transform: translateY(6px) rotate(45deg); }
body.menu-open .burger span:nth-child(2) { opacity: 0; }
body.menu-open .burger span:last-child { transform: translateY(-6px) rotate(-45deg); }

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