@charset "UTF-8";
/* ============================================================
   乐达助手官网 ledacai.cn  —  样式表
   配色取自品牌 logo：青绿(teal) + 珊瑚红(coral)
   ============================================================ */

/* ---------- 变量 ---------- */
:root {
  --ink: #07171c;
  --ink-2: #0c262e;
  --ink-3: #123840;

  --teal: #14c8bf;
  --teal-2: #0fa8a0;
  --teal-3: #0b8a83;
  --coral: #ff5a6e;
  --coral-2: #e8465a;

  --paper: #f5fbfa;
  --line: #e2edec;
  --txt: #153037;
  --txt-mute: #5e7f7c;
  --on-dark: #e8f6f4;
  --on-dark-mute: #90b4b1;

  --r-sm: 10px;
  --r: 16px;
  --r-lg: 24px;
  --r-xl: 34px;

  --shadow: 0 10px 30px rgba(7, 23, 28, 0.08);
  --shadow-lg: 0 26px 60px rgba(7, 23, 28, 0.18);

  --max: 1180px;
  --head-h: 68px;

  --sans: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB",
    "Helvetica Neue", Arial, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

/* ---------- 重置 ---------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--head-h) + 12px);
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: var(--sans);
  background: #fff;
  color: var(--txt);
  line-height: 1.65;
  overflow-x: hidden;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
  cursor: pointer;
  border: 0;
  background: none;
  color: inherit;
}
ul {
  list-style: none;
}

/* ---------- 通用容器与标题 ---------- */
.wrap {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 22px;
}
.section {
  padding: 96px 0;
}
.section--paper {
  background: var(--paper);
}
.section--dark {
  background: var(--ink);
  color: var(--on-dark);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: 0.08em;
  font-weight: 600;
  color: var(--teal-3);
  background: rgba(20, 200, 191, 0.1);
  border: 1px solid rgba(20, 200, 191, 0.25);
  padding: 6px 14px;
  border-radius: 100px;
}
.section--dark .eyebrow {
  color: var(--teal);
  background: rgba(20, 200, 191, 0.12);
}
.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
}

.head {
  max-width: 640px;
  margin-bottom: 56px;
}
.head--center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.head h2 {
  font-size: clamp(27px, 4vw, 40px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 16px 0 12px;
  font-weight: 800;
}
.head p {
  font-size: 17px;
  color: var(--txt-mute);
}
.section--dark .head p {
  color: var(--on-dark-mute);
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 14px 28px;
  border-radius: 100px;
  font-weight: 700;
  font-size: 16px;
  transition: transform 0.25s, box-shadow 0.25s, background 0.25s, color 0.25s;
  white-space: nowrap;
}
.btn svg {
  width: 18px;
  height: 18px;
  flex: none;
}
.btn--primary {
  background: linear-gradient(135deg, var(--teal) 0%, var(--teal-3) 100%);
  color: #fff;
  box-shadow: 0 8px 24px rgba(15, 168, 160, 0.34);
}
.btn--primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 34px rgba(15, 168, 160, 0.44);
}
.btn--coral {
  background: linear-gradient(135deg, var(--coral) 0%, var(--coral-2) 100%);
  color: #fff;
  box-shadow: 0 8px 24px rgba(255, 90, 110, 0.32);
}
.btn--coral:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 34px rgba(255, 90, 110, 0.42);
}
.btn--ghost {
  border: 1.5px solid rgba(232, 246, 244, 0.28);
  color: var(--on-dark);
}
.btn--ghost:hover {
  background: rgba(232, 246, 244, 0.08);
  border-color: rgba(232, 246, 244, 0.5);
  transform: translateY(-3px);
}
.btn--light {
  background: #fff;
  color: var(--teal-3);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.16);
}
.btn--light:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 38px rgba(0, 0, 0, 0.22);
}
.btn--sm {
  padding: 10px 20px;
  font-size: 14.5px;
}

/* ============================================================
   顶栏
   ============================================================ */
.site-head {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 900;
  height: var(--head-h);
  display: flex;
  align-items: center;
  transition: background 0.3s, box-shadow 0.3s, border-color 0.3s;
  border-bottom: 1px solid transparent;
}
.site-head__in {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 22px;
  display: flex;
  align-items: center;
  gap: 20px;
}
/* 滚动后：毛玻璃白底 */
.site-head.is-stuck {
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom-color: var(--line);
  box-shadow: 0 4px 24px rgba(7, 23, 28, 0.06);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: #fff;
  transition: color 0.3s;
  flex: none;
}
.brand img {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  object-fit: contain;
}
.brand small {
  display: block;
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.12em;
  opacity: 0.5;
  line-height: 1;
  margin-top: 2px;
}
.site-head.is-stuck .brand {
  color: var(--txt);
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}
.nav a {
  position: relative;
  padding: 8px 14px;
  font-size: 15px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.82);
  border-radius: 8px;
  transition: color 0.25s, background 0.25s;
}
.nav a:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}
.site-head.is-stuck .nav a {
  color: var(--txt-mute);
}
.site-head.is-stuck .nav a:hover {
  color: var(--teal-3);
  background: rgba(20, 200, 191, 0.1);
}
.head-cta {
  flex: none;
}

/* 汉堡 */
.burger {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 11px;
  margin-left: auto;
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.25);
}
.burger i {
  position: absolute;
  left: 11px;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: #fff;
  transition: transform 0.3s, opacity 0.2s, background 0.3s;
}
.burger i:nth-child(1) {
  top: 14px;
}
.burger i:nth-child(2) {
  top: 20px;
}
.burger i:nth-child(3) {
  top: 26px;
}
.site-head.is-stuck .burger {
  border-color: var(--line);
}
.site-head.is-stuck .burger i {
  background: var(--txt);
}
.burger.is-open i:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.burger.is-open i:nth-child(2) {
  opacity: 0;
}
.burger.is-open i:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* 抽屉菜单 */
.drawer {
  position: fixed;
  top: var(--head-h);
  left: 0;
  right: 0;
  z-index: 899;
  background: #fff;
  border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 10px 22px 20px;
  display: none;
}
.drawer.is-open {
  display: block;
  animation: drop 0.28s ease;
}
@keyframes drop {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
}
.drawer a {
  display: block;
  padding: 14px 4px;
  font-size: 16px;
  font-weight: 500;
  border-bottom: 1px solid var(--line);
}
.drawer a:last-of-type {
  border-bottom: 0;
}
.drawer .btn {
  width: 100%;
  margin-top: 14px;
}

/* ============================================================
   首屏 Hero
   ============================================================ */
.hero {
  position: relative;
  background: var(--ink);
  color: var(--on-dark);
  padding: calc(var(--head-h) + 76px) 0 96px;
  overflow: hidden;
  isolation: isolate;
}
/* 极光光斑 */
.hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  z-index: -2;
  pointer-events: none;
}
.hero__glow--a {
  width: 620px;
  height: 620px;
  background: rgba(20, 200, 191, 0.3);
  top: -220px;
  left: -160px;
}
.hero__glow--b {
  width: 520px;
  height: 520px;
  background: rgba(255, 90, 110, 0.22);
  bottom: -240px;
  right: -120px;
}
.hero__glow--c {
  width: 420px;
  height: 420px;
  background: rgba(20, 200, 191, 0.14);
  top: 40%;
  right: 26%;
}
/* 网格底纹 */
.hero__grid {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: linear-gradient(
      rgba(232, 246, 244, 0.045) 1px,
      transparent 1px
    ),
    linear-gradient(90deg, rgba(232, 246, 244, 0.045) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: radial-gradient(ellipse 80% 65% at 50% 35%, #000 40%, transparent);
  -webkit-mask-image: radial-gradient(
    ellipse 80% 65% at 50% 35%,
    #000 40%,
    transparent
  );
  pointer-events: none;
}

.hero__in {
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  gap: 56px;
  align-items: center;
}
.hero h1 {
  font-size: clamp(32px, 5.4vw, 55px);
  line-height: 1.14;
  letter-spacing: -0.025em;
  font-weight: 800;
  margin: 20px 0 20px;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(100deg, var(--teal) 10%, #7ef0e6 60%, var(--coral) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__lead {
  font-size: 17px;
  line-height: 1.85;
  color: var(--on-dark-mute);
  max-width: 505px;
  margin-bottom: 34px;
}
.hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 46px;
}

/* 数据条 */
.stats {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.stat {
  flex: 1 1 116px;
  padding: 16px 18px;
  border-radius: var(--r);
  background: rgba(232, 246, 244, 0.05);
  border: 1px solid rgba(232, 246, 244, 0.1);
}
.stat b {
  display: block;
  font-family: var(--mono);
  font-size: 27px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--teal);
  line-height: 1.15;
}
.stat span {
  font-size: 13px;
  color: var(--on-dark-mute);
}

/* 手机模型 */
.hero__visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.phone {
  position: relative;
  width: 100%;
  max-width: 296px;
  padding: 11px;
  border-radius: 44px;
  background: linear-gradient(155deg, #2b555e 0%, #0a1f26 55%, #061419 100%);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(232, 246, 244, 0.1) inset;
  z-index: 2;
}
.phone::before {
  /* 听筒/刘海 */
  content: "";
  position: absolute;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: 68px;
  height: 5px;
  border-radius: 4px;
  background: rgba(6, 20, 25, 0.85);
  z-index: 3;
}
.phone img {
  width: 100%;
  /* 必须显式 height:auto，否则 <img> 的 height 属性会压过 aspect-ratio */
  height: auto;
  /* 与截图原始尺寸 560x1094 保持一致：
     比例若比原图更窄更长，cover 会把左右两侧裁掉并整体放大。 */
  aspect-ratio: 560 / 1094;
  object-fit: cover;
  object-position: top center;
  border-radius: 34px;
  background: #fff;
}
.phone--tilt {
  transform: rotate(-3deg);
}
/* 悬浮小标签 */
.chip {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 11px 16px;
  border-radius: 100px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.24);
  white-space: nowrap;
  animation: bob 4.5s ease-in-out infinite;
}
.chip i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex: none;
}
.chip--live {
  top: 12%;
  left: -18px;
}
.chip--live i {
  background: var(--coral);
  box-shadow: 0 0 0 4px rgba(255, 90, 110, 0.22);
}
.chip--data {
  bottom: 15%;
  right: -14px;
  animation-delay: 1.6s;
}
.chip--data i {
  background: var(--teal);
  box-shadow: 0 0 0 4px rgba(20, 200, 191, 0.22);
}
@keyframes bob {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-9px);
  }
}

/* ============================================================
   联赛滚动条
   ============================================================ */
.marquee {
  background: var(--ink-2);
  border-top: 1px solid rgba(232, 246, 244, 0.07);
  border-bottom: 1px solid rgba(232, 246, 244, 0.07);
  padding: 17px 0;
  overflow: hidden;
  display: flex;
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  -webkit-mask-image: linear-gradient(
    90deg,
    transparent,
    #000 12%,
    #000 88%,
    transparent
  );
}
.marquee__track {
  display: flex;
  flex: none;
  align-items: center;
  gap: 42px;
  padding-right: 42px;
  animation: slide 34s linear infinite;
}
.marquee span {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--on-dark-mute);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 42px;
}
.marquee span::after {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--teal);
  opacity: 0.55;
}
@keyframes slide {
  to {
    transform: translateX(-100%);
  }
}

/* ============================================================
   核心功能 — Bento 网格
   ============================================================ */
.bento {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.cell {
  position: relative;
  padding: 30px 28px;
  border-radius: var(--r-lg);
  background: #fff;
  border: 1px solid var(--line);
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}
.cell:hover {
  transform: translateY(-5px);
  border-color: rgba(20, 200, 191, 0.4);
  box-shadow: var(--shadow);
}
/* 展示卡独占一整行，其余 6 张标准卡刚好铺满后两行 */
.cell--wide {
  grid-column: span 3;
  display: flex;
  align-items: center;
  gap: 40px;
}
.cell--wide .cell__body {
  flex: 1;
  min-width: 0;
}
.ico {
  width: 50px;
  height: 50px;
  border-radius: 15px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  background: rgba(20, 200, 191, 0.12);
  color: var(--teal-3);
  flex: none;
}
.ico svg {
  width: 25px;
  height: 25px;
}
.ico--coral {
  background: rgba(255, 90, 110, 0.12);
  color: var(--coral-2);
}
.cell h3 {
  font-size: 19.5px;
  font-weight: 700;
  margin-bottom: 9px;
  letter-spacing: -0.01em;
}
.cell p {
  font-size: 15.5px;
  color: var(--txt-mute);
  line-height: 1.75;
}
/* 大卡内的迷你比分示意 */
.mini {
  flex: none;
  width: 330px;
  padding: 16px 18px;
  border-radius: var(--r);
  background: var(--paper);
  border: 1px solid var(--line);
}
.mini__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: 13px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--line);
}
.mini__row:last-child {
  border-bottom: 0;
}
.mini__row b {
  font-family: var(--mono);
  font-weight: 700;
  color: var(--coral-2);
}
.mini__row span {
  color: var(--txt-mute);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.mini__tag {
  display: inline-block;
  font-size: 10.5px;
  padding: 2px 7px;
  border-radius: 5px;
  background: rgba(20, 200, 191, 0.14);
  color: var(--teal-3);
  font-weight: 600;
  flex: none;
}

/* ============================================================
   界面预览 — 选项卡
   ============================================================ */
.shots {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
  align-items: center;
}
.tabs {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.tab {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  text-align: left;
  padding: 20px 22px;
  border-radius: var(--r);
  background: #fff;
  border: 1px solid var(--line);
  transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s;
}
.tab:hover {
  transform: translateX(4px);
}
.tab__no {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--teal-3);
  background: rgba(20, 200, 191, 0.12);
  width: 30px;
  height: 30px;
  border-radius: 9px;
  display: grid;
  place-items: center;
  flex: none;
  transition: background 0.25s, color 0.25s;
}
.tab strong {
  display: block;
  font-size: 17px;
  margin-bottom: 4px;
}
.tab p {
  font-size: 14.5px;
  color: var(--txt-mute);
  line-height: 1.7;
}
.tab.is-on {
  border-color: var(--teal);
  box-shadow: 0 10px 28px rgba(15, 168, 160, 0.14);
}
.tab.is-on .tab__no {
  background: var(--teal-2);
  color: #fff;
}
/* 预览区左列补充块 */
.tabs__note {
  margin-top: 10px;
  padding-top: 22px;
  border-top: 1px dashed var(--line);
}
.tabs__note ul {
  margin-bottom: 20px;
}
.tabs__note li {
  position: relative;
  padding-left: 24px;
  font-size: 14.5px;
  color: var(--txt-mute);
  line-height: 2.1;
}
.tabs__note li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 12px;
  width: 11px;
  height: 6px;
  border-left: 2px solid var(--teal-2);
  border-bottom: 2px solid var(--teal-2);
  transform: rotate(-45deg);
}
.shots__stage {
  display: flex;
  justify-content: center;
  position: relative;
}
.shots__stage .phone {
  max-width: 286px;
  cursor: zoom-in;
}
.shots__stage .phone img {
  transition: opacity 0.3s;
}
.shots__stage .phone.is-fading img {
  opacity: 0;
}
.zoom-hint {
  position: absolute;
  bottom: -34px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 13px;
  color: var(--txt-mute);
  display: flex;
  align-items: center;
  gap: 6px;
}
.zoom-hint svg {
  width: 15px;
  height: 15px;
}

/* ============================================================
   三步开始
   ============================================================ */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  position: relative;
}
.step {
  position: relative;
  padding: 34px 26px;
  border-radius: var(--r-lg);
  background: rgba(232, 246, 244, 0.045);
  border: 1px solid rgba(232, 246, 244, 0.1);
  transition: background 0.3s, border-color 0.3s, transform 0.3s;
}
.step:hover {
  transform: translateY(-5px);
  background: rgba(232, 246, 244, 0.08);
  border-color: rgba(20, 200, 191, 0.35);
}
.step__no {
  font-family: var(--mono);
  font-size: 40px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  background: linear-gradient(160deg, var(--teal), rgba(20, 200, 191, 0.25));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 16px;
}
.step h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 9px;
}
.step p {
  font-size: 15px;
  color: var(--on-dark-mute);
  line-height: 1.75;
}
/* 连接虚线 */
.step:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 52px;
  right: -22px;
  width: 22px;
  border-top: 2px dashed rgba(20, 200, 191, 0.4);
}
.steps__foot {
  margin-top: 40px;
  text-align: center;
}
.steps__foot .note {
  font-size: 14px;
  color: var(--on-dark-mute);
  margin-top: 14px;
}

/* ============================================================
   客服
   ============================================================ */
.cs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
  max-width: 840px;
  margin: 0 auto;
}
.cs__card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 26px 26px;
  border-radius: var(--r-lg);
  background: #fff;
  border: 1px solid var(--line);
  transition: transform 0.3s, box-shadow 0.3s;
  overflow: hidden;
}
.cs__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.cs__card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
}
.cs__card--main::before {
  background: var(--teal);
}
.cs__card--alt::before {
  background: var(--coral);
}
.cs__ico {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  flex: none;
}
.cs__ico svg {
  width: 27px;
  height: 27px;
}
.cs__card--main .cs__ico {
  background: rgba(20, 200, 191, 0.12);
  color: var(--teal-3);
}
.cs__card--alt .cs__ico {
  background: rgba(255, 90, 110, 0.12);
  color: var(--coral-2);
}
.cs__body {
  flex: 1;
  min-width: 0;
}
.cs__label {
  font-size: 13px;
  color: var(--txt-mute);
  letter-spacing: 0.04em;
}
.cs__id {
  font-family: var(--mono);
  font-size: 25px;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.3;
  word-break: break-all;
}
.cs__copy {
  flex: none;
  padding: 10px 18px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  transition: background 0.25s, transform 0.2s;
}
.cs__card--main .cs__copy {
  background: var(--teal-2);
}
.cs__card--main .cs__copy:hover {
  background: var(--teal-3);
}
.cs__card--alt .cs__copy {
  background: var(--coral);
}
.cs__card--alt .cs__copy:hover {
  background: var(--coral-2);
}
.cs__copy:active {
  transform: scale(0.94);
}
.cs__tip {
  text-align: center;
  margin-top: 26px;
  font-size: 14.5px;
  color: var(--txt-mute);
}

/* Toast */
.toast {
  position: fixed;
  left: 50%;
  bottom: 46px;
  transform: translate(-50%, 24px);
  z-index: 2000;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 13px 24px;
  border-radius: 100px;
  background: var(--ink);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.28s, transform 0.28s;
}
.toast svg {
  width: 18px;
  height: 18px;
  color: var(--teal);
}
.toast.is-on {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ============================================================
   好评
   ============================================================ */
.says {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.say {
  padding: 28px 26px;
  border-radius: var(--r-lg);
  background: #fff;
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  transition: transform 0.3s, box-shadow 0.3s;
}
.say:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}
.say__stars {
  display: flex;
  gap: 3px;
  margin-bottom: 14px;
  color: #ffb020;
}
.say__stars svg {
  width: 16px;
  height: 16px;
}
.say p {
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--txt);
  flex: 1;
}
.say__who {
  display: flex;
  align-items: center;
  gap: 11px;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}
.say__ava {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 15px;
  color: #fff;
  flex: none;
  background: linear-gradient(140deg, var(--teal), var(--teal-3));
}
.say:nth-child(2) .say__ava {
  background: linear-gradient(140deg, var(--coral), var(--coral-2));
}
.say:nth-child(3) .say__ava {
  background: linear-gradient(140deg, #5b8def, #3b62c4);
}
.say__who b {
  display: block;
  font-size: 14.5px;
}
.say__who span {
  font-size: 12.5px;
  color: var(--txt-mute);
}

/* ============================================================
   FAQ
   ============================================================ */
.faq {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.qa {
  border-radius: var(--r);
  background: #fff;
  border: 1px solid var(--line);
  overflow: hidden;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.qa.is-open {
  border-color: rgba(20, 200, 191, 0.45);
  box-shadow: 0 8px 26px rgba(15, 168, 160, 0.1);
}
.qa__q {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 16px;
  text-align: left;
  padding: 20px 22px;
  font-size: 16.5px;
  font-weight: 600;
}
.qa__q span {
  flex: 1;
}
.qa__sign {
  position: relative;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  flex: none;
  background: rgba(20, 200, 191, 0.12);
  transition: background 0.25s, transform 0.3s;
}
.qa__sign::before,
.qa__sign::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 11px;
  height: 2px;
  border-radius: 2px;
  background: var(--teal-3);
  transform: translate(-50%, -50%);
  transition: transform 0.3s, background 0.25s;
}
.qa__sign::after {
  transform: translate(-50%, -50%) rotate(90deg);
}
.qa.is-open .qa__sign {
  background: var(--teal-2);
  transform: rotate(180deg);
}
.qa.is-open .qa__sign::before,
.qa.is-open .qa__sign::after {
  background: #fff;
}
.qa.is-open .qa__sign::after {
  transform: translate(-50%, -50%) rotate(0deg);
}
.qa__a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.32s ease;
}
.qa.is-open .qa__a {
  grid-template-rows: 1fr;
}
.qa__a > div {
  overflow: hidden;
}
.qa__a p {
  padding: 0 22px 22px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--txt-mute);
}
.qa__a b {
  font-family: var(--mono);
  color: var(--teal-3);
  letter-spacing: 0.04em;
}

/* ============================================================
   结尾 CTA
   ============================================================ */
.cta {
  position: relative;
  padding: 90px 0;
  background: linear-gradient(125deg, var(--teal-3) 0%, var(--teal-2) 45%, #0d7f9a 100%);
  color: #fff;
  overflow: hidden;
  text-align: center;
}
.cta::after {
  /* 斜向光带 */
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
      circle at 82% 22%,
      rgba(255, 255, 255, 0.2),
      transparent 42%
    ),
    radial-gradient(circle at 12% 82%, rgba(255, 90, 110, 0.26), transparent 45%);
  pointer-events: none;
}
.cta__in {
  position: relative;
  z-index: 1;
}
.cta h2 {
  font-size: clamp(27px, 4.2vw, 42px);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}
.cta p {
  font-size: 17.5px;
  opacity: 0.92;
  margin-bottom: 34px;
}
.cta__acts {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}
.cta__acts .btn--ghost {
  border-color: rgba(255, 255, 255, 0.55);
  color: #fff;
}
.cta__acts .btn--ghost:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: #fff;
}
.cta__meta {
  display: flex;
  gap: 26px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 30px;
  font-size: 14.5px;
  opacity: 0.9;
}
.cta__meta i {
  font-style: normal;
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

/* ============================================================
   页脚
   ============================================================ */
.foot {
  background: var(--ink);
  color: var(--on-dark);
  padding: 62px 0 30px;
}
.foot__top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 44px;
  padding-bottom: 38px;
  border-bottom: 1px solid rgba(232, 246, 244, 0.1);
}
.foot .brand {
  color: #fff;
  margin-bottom: 16px;
}
.foot__intro {
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--on-dark-mute);
  max-width: 380px;
}
.foot__col h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 16px;
}
.foot__col li {
  margin-bottom: 10px;
}
.foot__col a,
.foot__col span {
  font-size: 14.5px;
  color: var(--on-dark-mute);
  transition: color 0.25s;
}
.foot__col a:hover {
  color: var(--teal);
}
.foot__col .mono {
  font-family: var(--mono);
  letter-spacing: 0.05em;
}
.foot__bottom {
  padding-top: 26px;
  text-align: center;
}
.foot__bottom p {
  font-size: 14px;
  color: var(--on-dark-mute);
}
.foot__note {
  margin-top: 12px;
  font-size: 12.5px;
  line-height: 1.8;
  color: rgba(144, 180, 177, 0.65);
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
}

/* ============================================================
   移动端底部固定操作条
   ============================================================ */
.dock {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 880;
  display: none;
  gap: 10px;
  padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-top: 1px solid var(--line);
}
.dock .btn {
  flex: 1;
  padding: 13px 10px;
  font-size: 15px;
}
.dock .btn--outline {
  border: 1.5px solid var(--teal-2);
  color: var(--teal-3);
}

/* ============================================================
   灯箱
   ============================================================ */
.lb {
  position: fixed;
  inset: 0;
  z-index: 1500;
  background: rgba(4, 14, 17, 0.92);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 34px 20px;
}
.lb.is-on {
  display: flex;
  animation: fade 0.24s ease;
}
@keyframes fade {
  from {
    opacity: 0;
  }
}
.lb img {
  max-width: min(94vw, 400px);
  max-height: 88vh;
  width: auto;
  border-radius: 18px;
  box-shadow: var(--shadow-lg);
}
.lb__x {
  position: absolute;
  top: 20px;
  right: 22px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  font-size: 26px;
  line-height: 1;
  transition: background 0.25s;
}
.lb__x:hover {
  background: rgba(255, 255, 255, 0.28);
}

/* ============================================================
   滚动入场动画
   仅在 <html class="js"> 时才隐藏元素——若 JS 被禁用或出错，
   内容始终可见，不会出现整页空白。
   ============================================================ */
.js .reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.js .reveal.is-in {
  opacity: 1;
  transform: none;
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1024px) {
  .hero__in {
    grid-template-columns: 1fr;
    gap: 52px;
    text-align: center;
  }
  .hero__lead {
    margin-left: auto;
    margin-right: auto;
  }
  .hero__acts {
    justify-content: center;
  }
  .hero .eyebrow {
    margin: 0 auto;
  }
  .chip--live {
    left: -6px;
  }
  .chip--data {
    right: -6px;
  }
  .bento {
    grid-template-columns: repeat(2, 1fr);
  }
  .cell--wide {
    grid-column: span 2;
  }
  .shots {
    grid-template-columns: 1fr;
    gap: 46px;
  }
  .shots__stage {
    order: -1;
  }
  .foot__top {
    grid-template-columns: 1fr 1fr;
  }
  .foot__brandcol {
    grid-column: span 2;
  }
}

@media (max-width: 860px) {
  .nav,
  .head-cta {
    display: none;
  }
  .burger {
    display: block;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 70px 0;
  }
  .hero {
    padding: calc(var(--head-h) + 48px) 0 74px;
  }
  .head {
    margin-bottom: 40px;
  }
  .bento,
  .steps,
  .says,
  .cs {
    grid-template-columns: 1fr;
  }
  .cell--wide {
    grid-column: span 1;
    flex-direction: column;
    align-items: stretch;
    gap: 22px;
  }
  .mini {
    width: 100%;
  }
  .step:not(:last-child)::after {
    display: none;
  }
  .stat b {
    font-size: 23px;
  }
  /* 移动端露出底部操作条 */
  .dock {
    display: flex;
  }
  body {
    padding-bottom: 78px;
  }
  .toast {
    bottom: 96px;
  }
  .cs__card {
    flex-wrap: wrap;
  }
  .cs__body {
    flex: 1 1 100%;
    order: 2;
  }
  .cs__ico {
    order: 1;
  }
  .cs__copy {
    order: 3;
    margin-left: auto;
  }
}

@media (max-width: 480px) {
  .wrap {
    padding: 0 17px;
  }
  .cs__id {
    font-size: 22px;
  }
  .qa__q {
    font-size: 15.5px;
    padding: 17px 18px;
  }
  .btn {
    padding: 13px 22px;
    font-size: 15px;
  }
}

/* 尊重系统减弱动效设置 */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001s !important;
  }
  .js .reveal {
    opacity: 1;
    transform: none;
  }
}