/* ==========================================================================
   妥妥蛙官网 · PC 版样式（绿色系 / 渐变流动 / 内容交织）
   ========================================================================== */

/* ---------- 设计变量 ---------- */
:root {
  /* 品牌绿 */
  --g-900: #0d3522;
  --g-800: #12512f;
  --g-700: #1a7a4a;
  --g-600: #1f9a5d;
  --g-500: #2cb877;
  --g-400: #55cc94;
  --g-300: #8fe0b6;
  --g-200: #c6efd9;
  --g-100: #e6f8ee;
  --g-50: #f4fcf8;
  /* 点缀 */
  --lime: #bef264;
  --sun: #ffd166;
  /* 中性 */
  --ink: #123024;
  --ink-2: #3d5c4e;
  --ink-3: #6d8a7c;
  --white: #fff;

  /* 排版尺度 —— 同级文字统一字号来源 */
  --fs-display: clamp(2.5rem, 4.4vw, 3.6rem);
  --fs-h2: clamp(1.5rem, 2.3vw, 2.05rem);
  --fs-h3: 1.15rem;
  --fs-lead: clamp(1rem, 1.15vw, 1.12rem);
  --fs-body: 1rem;
  --fs-sm: 0.9rem;
  --fs-xs: 0.8rem;

  /* 间距节奏 */
  --sp-1: 0.5rem;
  --sp-2: 1rem;
  --sp-3: 1.5rem;
  --sp-4: 2.5rem;
  --sp-5: 4rem;
  --sp-6: 6.5rem;

  --radius-sm: 14px;
  --radius: 22px;
  --radius-lg: 32px;
  --pill: 999px;
  --container: 1180px;

  --shadow-sm: 0 2px 10px rgba(18, 48, 36, 0.06);
  --shadow: 0 20px 46px -20px rgba(18, 48, 36, 0.22);
  --shadow-lg: 0 38px 76px -30px rgba(18, 48, 36, 0.32);
}

/* ---------- 基础 ---------- */
*,
*::before,
*::after { 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;
  font-size: var(--fs-body);
  line-height: 1.75;
  color: var(--ink);
  background: #f4fcf8;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* 全站流动底色：整页共享一条长渐变，避免"一块一块" */
.page-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(180deg,
      #eafaf1 0%,
      #f6fdf9 16%,
      #e8f8ef 38%,
      #f7fdfa 58%,
      #e9f8f0 78%,
      #f4fcf8 100%);
}

/* 贯穿全页的装饰光斑：跨区块存在，制造"交织" */
.blob {
  position: fixed;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.5;
  z-index: -1;
  pointer-events: none;
  will-change: transform;
}
.blob-1 { width: 520px; height: 520px; top: -120px; right: -80px; background: radial-gradient(circle, rgba(143, 224, 182, 0.85), rgba(143, 224, 182, 0)); animation: drift 22s ease-in-out infinite; }
.blob-2 { width: 460px; height: 460px; top: 38%; left: -160px; background: radial-gradient(circle, rgba(190, 242, 100, 0.6), rgba(190, 242, 100, 0)); animation: drift 28s ease-in-out infinite reverse; }
.blob-3 { width: 560px; height: 560px; bottom: -180px; right: -140px; background: radial-gradient(circle, rgba(85, 204, 148, 0.6), rgba(85, 204, 148, 0)); animation: drift 26s ease-in-out infinite 2s; }

@keyframes drift {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(28px, -34px, 0) scale(1.08); }
}

img { max-width: 100%; display: block; }
a { color: var(--g-700); text-decoration: none; transition: color .2s; }
a:hover { color: var(--g-500); }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 32px; }

/* 统一标题/正文层级 —— 杜绝"同类文字大小不一" */
h1, h2, h3, h4 { margin: 0; font-weight: 800; line-height: 1.22; letter-spacing: -0.01em; }
h1 { font-size: var(--fs-display); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); font-weight: 700; }
p { margin: 0; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: var(--fs-xs); font-weight: 700; letter-spacing: 0.08em;
  color: var(--g-700); text-transform: uppercase;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--g-200);
  border-radius: var(--pill);
  padding: 6px 14px;
  backdrop-filter: blur(8px);
}
.eyebrow .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--g-500);
  box-shadow: 0 0 0 4px rgba(44, 184, 119, 0.18);
  animation: pulse 2.2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(44, 184, 119, 0.18); }
  50% { box-shadow: 0 0 0 9px rgba(44, 184, 119, 0.04); }
}

.lead { font-size: var(--fs-lead); color: var(--ink-2); }
.muted { font-size: var(--fs-xs); color: var(--ink-3); line-height: 1.7; }

/* ---------- 顶部导航 ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  transition: background .3s, box-shadow .3s, backdrop-filter .3s;
}
.nav.is-stuck {
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(14px) saturate(1.4);
  box-shadow: 0 1px 0 rgba(18, 48, 36, 0.06), 0 12px 30px -22px rgba(18, 48, 36, 0.4);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 74px; gap: 24px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { width: 40px; height: 40px; border-radius: 12px; box-shadow: var(--shadow-sm); }
.brand-name { font-size: 1.24rem; font-weight: 800; color: var(--ink); letter-spacing: 0.02em; }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a { font-size: var(--fs-sm); font-weight: 600; color: var(--ink-2); }
.nav-links a:hover { color: var(--g-600); }
.nav-cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 22px; border-radius: var(--pill);
  font-size: var(--fs-sm); font-weight: 700; color: var(--white) !important;
  background: linear-gradient(135deg, var(--g-500), var(--g-700));
  box-shadow: 0 12px 26px -12px rgba(26, 122, 74, 0.7);
  transition: transform .2s, box-shadow .2s;
}
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 18px 34px -14px rgba(26, 122, 74, 0.75); }

/* ---------- Hero ---------- */
.hero { position: relative; padding: var(--sp-6) 0 var(--sp-5); }
/* 首屏底图：浅绿抽象，向下淡出，不干扰文字 */
.hero-bg {
  position: absolute; left: 0; right: 0; top: -80px; bottom: 0;
  z-index: 0; pointer-events: none;
  background: url('../img/bg-soft.jpg') center top / cover no-repeat;
  opacity: .55;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 58%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 0%, #000 58%, transparent 100%);
}
.hero-grid {
  position: relative; z-index: 1;
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  gap: 64px;
  align-items: center;
}
.hero-title { margin-top: 22px; }
.hero-title .accent {
  background: linear-gradient(120deg, var(--g-600), var(--g-400) 55%, var(--lime));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-sub { margin-top: 18px; max-width: 30em; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.tag {
  font-size: var(--fs-sm); font-weight: 600; color: var(--g-800);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--g-200);
  border-radius: var(--pill);
  padding: 8px 16px;
  backdrop-filter: blur(8px);
  transition: transform .2s, border-color .2s, background .2s;
}
.tag:hover { transform: translateY(-2px); background: #fff; border-color: var(--g-300); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 15px 34px; border-radius: var(--pill);
  font-size: var(--fs-body); font-weight: 700;
  cursor: pointer; border: none;
  transition: transform .22s cubic-bezier(.2,.7,.3,1), box-shadow .22s, background .22s, color .22s;
}
.btn-primary {
  color: var(--white);
  background: linear-gradient(135deg, var(--g-500) 0%, var(--g-700) 100%);
  box-shadow: 0 20px 40px -18px rgba(26, 122, 74, 0.85);
}
.btn-primary:hover { transform: translateY(-3px); color: #fff; box-shadow: 0 28px 52px -20px rgba(26, 122, 74, 0.9); }
.btn-ghost {
  color: var(--g-800);
  background: rgba(255, 255, 255, 0.8);
  border: 1.5px solid var(--g-200);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { transform: translateY(-3px); color: var(--g-700); border-color: var(--g-300); background: #fff; }
.hero-note { margin-top: 20px; }

/* Hero 视觉区 */
.hero-visual { position: relative; display: flex; justify-content: center; }
.hero-glow {
  position: absolute; inset: -6% -4%;
  background: radial-gradient(circle at 50% 45%, rgba(190, 242, 100, 0.5), rgba(143, 224, 182, 0.32) 42%, rgba(143, 224, 182, 0) 70%);
  filter: blur(26px);
  z-index: 0;
  animation: breathe 7s ease-in-out infinite;
}
@keyframes breathe {
  0%, 100% { transform: scale(1); opacity: .85; }
  50% { transform: scale(1.07); opacity: 1; }
}
/* 口号 LOGO：图片本身已是扣好的透明底，因此不加白底 / 卡片 / 边框 */
.hero-logo-card {
  position: relative; z-index: 1;
  width: min(440px, 100%);
  padding: 0;
  background: none;
  border: none;
  box-shadow: none;
  backdrop-filter: none;
  animation: floaty 6.5s ease-in-out infinite;
}
@keyframes floaty {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-14px) rotate(-0.6deg); }
}
.hero-logo-card img {
  width: 100%;
  filter: drop-shadow(0 26px 40px rgba(18, 48, 36, 0.18));
}
.hero-logo-card .cap {
  margin-top: 2px; text-align: center;
  font-size: var(--fs-h3); font-weight: 800; color: var(--g-800);
  letter-spacing: 0.06em;
}

/* 悬浮小卡（跨区块交织的视觉线索） */
.float-card {
  position: absolute; z-index: 2;
  display: flex; align-items: center; gap: 10px;
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
  font-size: var(--fs-sm); font-weight: 700; color: var(--g-800);
  backdrop-filter: blur(10px);
  white-space: nowrap;
}
.float-card .ic {
  width: 26px; height: 26px; border-radius: 9px; flex: none;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--g-400), var(--g-600));
  color: #fff; font-size: 14px;
}
.float-a { top: 8%; left: -46px; animation: floaty 5.4s ease-in-out infinite .4s; }
.float-b { bottom: 12%; right: -40px; animation: floaty 6s ease-in-out infinite 1.1s; }

/* ---------- 蛙言蛙语 走马灯 ---------- */
.marquee {
  position: relative;
  margin-top: calc(var(--sp-5) * -0.5);
  padding: var(--sp-3) 0;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee-track { display: flex; gap: 18px; width: max-content; animation: slide 42s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes slide { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.quote {
  flex: none;
  padding: 12px 24px;
  border-radius: var(--pill);
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--g-100);
  box-shadow: var(--shadow-sm);
  font-size: var(--fs-sm); font-weight: 700; color: var(--g-800);
  backdrop-filter: blur(8px);
}
.quote.alt { background: linear-gradient(135deg, rgba(44,184,119,.14), rgba(190,242,100,.2)); border-color: transparent; }

/* ---------- 通用区块 ---------- */
.section { position: relative; padding: var(--sp-6) 0; }
.section-head { max-width: 720px; margin-bottom: var(--sp-4); }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 { margin-top: 16px; }
.section-head .lead { margin-top: 14px; }

/* ---------- 双角度（发任务 / 接单） ---------- */
.duo { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: start; }
.duo-card {
  position: relative;
  padding: 40px 36px 36px;
  border-radius: var(--radius-lg);
  background: linear-gradient(155deg, rgba(255,255,255,.95), rgba(255,255,255,.72));
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform .3s cubic-bezier(.2,.7,.3,1), box-shadow .3s;
}
.duo-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.duo-card::after {
  content: ""; position: absolute; inset: auto -30% -50% auto;
  width: 320px; height: 320px; border-radius: 50%;
  background: radial-gradient(circle, rgba(143, 224, 182, 0.4), rgba(143, 224, 182, 0));
  pointer-events: none;
}
.duo-card.task { margin-top: 34px; }
.duo-card.take { margin-bottom: 34px; }
.duo-badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: var(--fs-xs); font-weight: 700; letter-spacing: .06em;
  padding: 6px 14px; border-radius: var(--pill);
  background: var(--g-100); color: var(--g-700);
}
.duo-card.take .duo-badge { background: rgba(190, 242, 100, 0.3); color: var(--g-800); }
.duo-quote { margin-top: 20px; font-size: clamp(1.35rem, 2.1vw, 1.75rem); font-weight: 800; line-height: 1.35; color: var(--ink); }
.duo-quote em { font-style: normal; color: var(--g-600); }
.duo-list { margin: 24px 0 0; padding: 0; list-style: none; display: grid; gap: 12px; }
.duo-list li { position: relative; padding-left: 26px; font-size: var(--fs-sm); color: var(--ink-2); }
.duo-list li::before {
  content: ""; position: absolute; left: 0; top: 9px;
  width: 14px; height: 14px; border-radius: 50%;
  background: linear-gradient(135deg, var(--g-400), var(--g-600));
  box-shadow: 0 0 0 4px rgba(44, 184, 119, 0.12);
}

/* 中间对仗条 */
.duo-bridge {
  grid-column: 1 / -1;
  display: flex; align-items: center; justify-content: center; gap: 22px;
  margin: 8px 0 -6px;
  font-size: clamp(1rem, 1.5vw, 1.2rem); font-weight: 800; color: var(--g-800);
}
.duo-bridge .line { height: 1px; width: min(180px, 20vw); background: linear-gradient(90deg, transparent, var(--g-300), transparent); }

/* ---------- 三步走 ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; position: relative; }
/* 只讲最关键的两步时：放大居中，去掉连接线 */
.steps-2 { grid-template-columns: repeat(2, 1fr); max-width: 760px; margin: 0 auto; gap: 24px; }
.steps-2::before { display: none; }
.note { margin-top: 26px; text-align: center; font-size: var(--fs-sm); color: var(--ink-3); }
.steps::before {
  content: ""; position: absolute; top: 46px; left: 8%; right: 8%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--g-300), var(--g-300), transparent);
  z-index: 0;
}
.step {
  position: relative; z-index: 1;
  padding: 30px 24px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(10px);
  transition: transform .28s cubic-bezier(.2,.7,.3,1), box-shadow .28s;
}
.step:hover { transform: translateY(-8px); box-shadow: var(--shadow); }
.step-no {
  width: 46px; height: 46px; border-radius: var(--radius-sm);
  display: grid; place-items: center;
  font-weight: 800; color: #fff; font-size: 1.05rem;
  background: linear-gradient(135deg, var(--g-400), var(--g-700));
  box-shadow: 0 12px 24px -12px rgba(26, 122, 74, 0.8);
}
.step h3 { margin-top: 18px; }
.step p { margin-top: 8px; font-size: var(--fs-sm); color: var(--ink-2); }

/* ---------- 界面预览 ---------- */
.shots-wrap { position: relative; }
.shots {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px;
}
.shot { text-align: center; }
.shot-frame {
  position: relative;
  aspect-ratio: 9 / 19.2;
  border-radius: 20px;
  background: linear-gradient(165deg, rgba(255,255,255,.95), rgba(230, 248, 238, .8));
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform .3s cubic-bezier(.2,.7,.3,1), box-shadow .3s;
}
.shot:hover .shot-frame { transform: translateY(-10px) scale(1.015); box-shadow: var(--shadow-lg); }
.shot-frame img { width: 100%; height: 100%; object-fit: cover; }
/* 待补截图占位 */
.shot-ph {
  position: absolute; inset: 10px;
  border-radius: 14px;
  border: 1.5px dashed var(--g-300);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 8px; padding: 14px; text-align: center;
  background: repeating-linear-gradient(135deg, rgba(143,224,182,.10) 0 12px, rgba(143,224,182,.18) 12px 24px);
}
.shot-ph .ph-no { font-size: var(--fs-xs); font-weight: 800; color: var(--g-700); letter-spacing: .1em; }
.shot-ph .ph-name { font-size: var(--fs-sm); font-weight: 700; color: var(--g-800); }
.shot-ph .ph-hint { font-size: 0.72rem; color: var(--ink-3); line-height: 1.6; }
.shot-cap { margin-top: 12px; font-size: var(--fs-xs); color: var(--ink-3); font-weight: 600; }

/* ---------- 为什么选妥妥蛙 ---------- */
.why { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.why-item {
  padding: 28px 24px;
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(255,255,255,.9), rgba(244,252,248,.66));
  border: 1px solid rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow-sm);
  transition: transform .28s, box-shadow .28s;
}
.why-item:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.why-item .ic {
  width: 44px; height: 44px; border-radius: 13px;
  display: grid; place-items: center;
  background: var(--g-100); color: var(--g-700);
}
.why-item .ic svg { width: 22px; height: 22px; }
.why-item h3 { margin-top: 16px; font-size: 1.02rem; }
.why-item p { margin-top: 8px; font-size: var(--fs-sm); color: var(--ink-2); }

/* ---------- 信任与透明（合规声明） ---------- */
.trust {
  position: relative;
  padding: 48px 44px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(18, 81, 47, .96), rgba(26, 122, 74, .92));
  color: #eafaf1;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.trust::before {
  content: ""; position: absolute; inset: -40% -20% auto auto;
  width: 520px; height: 520px; border-radius: 50%;
  background: radial-gradient(circle, rgba(190, 242, 100, .28), rgba(190, 242, 100, 0));
  pointer-events: none;
}
.trust h2 { color: #fff; }
.trust .lead { color: rgba(234, 250, 241, 0.86); margin-top: 14px; max-width: 62ch; }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 34px; position: relative; }
.trust-item {
  padding: 22px 20px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(8px);
}
.trust-item strong { display: block; font-size: 1rem; color: #fff; margin-bottom: 6px; }
.trust-item span { font-size: var(--fs-sm); color: rgba(234, 250, 241, 0.82); }
.trust-foot { margin-top: 26px; font-size: var(--fs-xs); color: rgba(234, 250, 241, 0.7); position: relative; }

/* ---------- 下载 ---------- */
.download {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center;
}
.dl-card {
  padding: 40px 36px;
  border-radius: var(--radius-lg);
  background: linear-gradient(155deg, rgba(255,255,255,.95), rgba(255,255,255,.72));
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
}
.stores { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 24px; }
.store {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 14px 18px; border-radius: var(--radius-sm);
  background: rgba(244, 252, 248, 0.9);
  border: 1px solid var(--g-100);
  font-size: var(--fs-sm); font-weight: 700; color: var(--g-800);
  transition: transform .2s, border-color .2s, background .2s;
}
.store:hover { transform: translateY(-2px); border-color: var(--g-200); background: #fff; }
.store .soon { font-size: var(--fs-xs); font-weight: 600; color: var(--ink-3); }
.stores .store:last-child:nth-child(odd) { grid-column: 1 / -1; }

/* ---------- 关于 ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.about-card {
  padding: 34px 32px; border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(10px);
}
.about-card h3 { font-size: 1.05rem; }
.about-card p { margin-top: 10px; font-size: var(--fs-sm); color: var(--ink-2); }
.kv { display: grid; gap: 12px; margin-top: 18px; }
.kv div { display: flex; gap: 12px; font-size: var(--fs-sm); }
.kv dt { flex: none; width: 5.5em; color: var(--ink-3); font-weight: 600; }
.kv dd { margin: 0; color: var(--ink-2); }

/* ---------- 页脚 ---------- */
.footer {
  margin-top: var(--sp-6);
  padding: 54px 0 34px;
  background: linear-gradient(180deg, rgba(18, 81, 47, 0), rgba(13, 53, 34, 0.04));
  border-top: 1px solid rgba(18, 48, 36, 0.06);
}
.footer-inner { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 34px; }
.footer h4 { font-size: var(--fs-sm); color: var(--ink); letter-spacing: .02em; }
.footer p, .footer a { font-size: var(--fs-xs); color: var(--ink-3); }
.footer a:hover { color: var(--g-600); }
.footer-links { display: grid; gap: 8px; margin-top: 12px; }
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand img { width: 38px; height: 38px; border-radius: 11px; }
.footer-brand span { font-weight: 800; color: var(--ink); font-size: 1.05rem; }
.footer-bottom {
  margin-top: 34px; padding-top: 20px;
  border-top: 1px solid rgba(18, 48, 36, 0.07);
  display: flex; flex-wrap: wrap; gap: 10px 22px; justify-content: space-between;
  font-size: var(--fs-xs); color: var(--ink-3);
}

/* ---------- 滚动进场动画 ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s cubic-bezier(.2,.7,.3,1), transform .7s cubic-bezier(.2,.7,.3,1); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; }
.reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; }
.reveal.d4 { transition-delay: .32s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .blob, .hero-logo-card, .float-card, .hero-glow, .marquee-track, .eyebrow .dot { animation: none !important; }
  html { scroll-behavior: auto; }
}

/* ---------- 中等屏（平板/小笔记本） ---------- */
@media (max-width: 1080px) {
  .container { padding: 0 24px; }
  .hero-grid { grid-template-columns: 1fr; gap: 46px; }
  .hero-visual { order: -1; }
  .float-a, .float-b { display: none; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .steps::before { display: none; }
  .why { grid-template-columns: repeat(2, 1fr); }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .shots { grid-template-columns: repeat(3, 1fr); }
  .download, .about-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}