/* ============================================================
   东方好妈妈 · 高品质婚恋平台 加盟招商官网
   设计语言：酒红 × 香槟金 × 暖米白
   ============================================================ */

:root {
  --wine-950: #3d151d;
  --wine-900: #4a1a22;
  --wine-800: #5e202b;
  --wine-700: #74293a;
  --wine-600: #8a3247;
  --gold-600: #b08c4f;
  --gold-500: #c6a15b;
  --gold-400: #d8ba7d;
  --gold-300: #e8d3a3;
  --cream-50: #faf7f1;
  --cream-100: #f3ede2;
  --cream-200: #e9dfce;
  --ink-900: #26201c;
  --ink-700: #4d443c;
  --ink-600: #6d635a;
  --ink-400: #9a8f84;
  --white: #ffffff;
  --danger: #b54a4a;
  --font-serif: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --font-sans: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --shadow-sm: 0 4px 18px rgba(74, 26, 34, .06);
  --shadow-md: 0 18px 44px rgba(74, 26, 34, .12);
  --shadow-lg: 0 28px 64px rgba(61, 21, 29, .22);
  --radius: 18px;
  --radius-sm: 12px;
}

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-900);
  background: var(--cream-50);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

body.nav-open {
  overflow: hidden;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

ul,
ol {
  list-style: none;
}

button {
  font: inherit;
  border: none;
  background: none;
  cursor: pointer;
  color: inherit;
}

input,
select,
textarea {
  font: inherit;
  color: inherit;
}

::selection {
  background: var(--wine-700);
  color: var(--cream-50);
}

:focus-visible {
  outline: 2px solid var(--gold-500);
  outline-offset: 3px;
}

.container {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
}

section[id],
div[id] {
  scroll-margin-top: 84px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.js [data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .8s cubic-bezier(.22, .61, .36, 1), transform .8s cubic-bezier(.22, .61, .36, 1);
}

.js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

.js [data-reveal-delay="1"] { transition-delay: .1s; }
.js [data-reveal-delay="2"] { transition-delay: .2s; }
.js [data-reveal-delay="3"] { transition-delay: .3s; }
.js [data-reveal-delay="4"] { transition-delay: .4s; }
.js [data-reveal-delay="5"] { transition-delay: .5s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js [data-reveal] { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 15px 34px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: .06em;
  white-space: nowrap;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease, border-color .25s ease;
}

.btn-gold {
  color: var(--wine-900);
  background: linear-gradient(135deg, var(--gold-300), var(--gold-500));
  box-shadow: 0 10px 26px rgba(198, 161, 91, .32);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(198, 161, 91, .42);
}

.btn-wine {
  color: var(--cream-50);
  background: linear-gradient(135deg, var(--wine-700), var(--wine-900));
  box-shadow: 0 10px 26px rgba(74, 26, 34, .24);
}

.btn-wine:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(74, 26, 34, .32);
}

.btn-ghost {
  color: var(--cream-50);
  border: 1px solid rgba(232, 211, 163, .55);
  background: rgba(255, 255, 255, .04);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.btn-ghost:hover {
  border-color: var(--gold-300);
  background: rgba(232, 211, 163, .12);
  transform: translateY(-2px);
}

.btn-outline {
  color: var(--wine-800);
  border: 1px solid rgba(198, 161, 91, .6);
  background: transparent;
}

.btn-outline:hover {
  background: rgba(198, 161, 91, .12);
  border-color: var(--gold-500);
  transform: translateY(-2px);
}

.btn-block {
  width: 100%;
}

.btn-sm {
  padding: 11px 26px;
  font-size: 14px;
}

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: background .3s ease, box-shadow .3s ease;
}

.site-header.scrolled {
  background: rgba(250, 247, 241, .95);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 2px 18px rgba(74, 26, 34, .08);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 78px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--cream-50);
  transition: color .3s ease;
}

.site-header.scrolled .brand {
  color: var(--wine-800);
}

.brand-mark {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
  height: 40px;
}

/* logo 图片：深色背景用 logo-light.png，浅色背景用 logo-dark.png
   高度锁定 40px、宽度自适应，替换成横版 logo 也不会被压扁 */
.brand-logo {
  display: block;
  width: auto;
  max-width: 170px;
  height: 40px;
  object-fit: contain;
}

.brand-logo--dark {
  display: none;
}

.site-header.scrolled .brand-logo--light {
  display: none;
}

.site-header.scrolled .brand-logo--dark {
  display: block;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.brand-name {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .16em;
}

.brand-sub {
  font-size: 9.5px;
  letter-spacing: .3em;
  color: var(--gold-400);
  opacity: .9;
}

.site-header.scrolled .brand-sub {
  color: var(--gold-600);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  position: relative;
  font-size: 14.5px;
  letter-spacing: .08em;
  color: rgba(250, 247, 241, .86);
  transition: color .3s ease;
}

.site-header.scrolled .nav-links a {
  color: var(--ink-700);
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -7px;
  width: 0;
  height: 1.5px;
  background: var(--gold-500);
  transform: translateX(-50%);
  transition: width .28s ease;
}

.nav-links a:hover {
  color: var(--gold-300);
}

.site-header.scrolled .nav-links a:hover,
.site-header.scrolled .nav-links a.is-active {
  color: var(--wine-800);
}

.nav-links a:hover::after,
.nav-links a.is-active::after {
  width: 100%;
}

.nav-links a.is-active {
  color: var(--gold-300);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 8px;
  border-radius: 8px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  border-radius: 2px;
  background: var(--cream-50);
  transition: transform .28s ease, opacity .28s ease, background .3s ease;
}

.site-header.scrolled .nav-toggle span,
.site-header.nav-active .nav-toggle span {
  background: var(--ink-900);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 100vh;
  min-height: 100svh;
  padding: 158px 0 0;
  overflow: hidden;
  color: var(--cream-50);
  background:
    radial-gradient(1100px 640px at 78% -12%, rgba(198, 161, 91, .24), transparent 62%),
    radial-gradient(900px 620px at 6% 110%, rgba(138, 50, 71, .58), transparent 60%),
    linear-gradient(155deg, var(--wine-950) 0%, var(--wine-800) 48%, var(--wine-700) 100%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(232, 211, 163, .14) 1px, transparent 1.4px);
  background-size: 34px 34px;
  opacity: .38;
  mask-image: radial-gradient(ellipse at 50% 42%, #000 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 42%, #000 30%, transparent 78%);
  pointer-events: none;
}

.hero-decor {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.decor-ring {
  position: absolute;
  color: var(--gold-400);
  opacity: .15;
}

.decor-ring--top {
  width: 640px;
  top: -170px;
  right: -140px;
}

.decor-ring--bottom {
  width: 430px;
  bottom: -130px;
  left: -140px;
  opacity: .1;
}

.decor-dots {
  position: absolute;
  width: 210px;
  right: 13%;
  bottom: 26%;
  color: var(--gold-300);
  opacity: .3;
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 940px;
  margin-inline: auto;
  text-align: center;
  padding-bottom: 78px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  font-size: 13.5px;
  letter-spacing: .4em;
  padding-left: .4em;
  color: var(--gold-300);
  margin-bottom: 30px;
}

.eyebrow::before,
.eyebrow::after {
  content: "";
  width: 44px;
  height: 1px;
  flex: 0 0 auto;
}

.eyebrow::before {
  background: linear-gradient(90deg, transparent, var(--gold-500));
}

.eyebrow::after {
  background: linear-gradient(90deg, var(--gold-500), transparent);
}

.hero h1 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(40px, 6.4vw, 74px);
  line-height: 1.3;
  letter-spacing: .08em;
  margin-bottom: 26px;
}

.hero h1 span {
  display: block;
  color: var(--gold-300);
  font-weight: 600;
}

/* 首屏主标题第一行：保持米白，第二行才是金色 */
.hero h1 span.hero-l1 {
  color: var(--cream-50);
  font-weight: 700;
}

.hero-sub {
  max-width: 760px;
  margin: 0 auto 26px;
  font-size: clamp(15px, 1.7vw, 18px);
  font-weight: 300;
  letter-spacing: .1em;
  line-height: 2.05;
  color: rgba(250, 247, 241, .82);
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 44px;
}

.hero-tags li {
  padding: 8px 20px;
  border-radius: 999px;
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--gold-300);
  background: rgba(232, 211, 163, .08);
  border: 1px solid rgba(232, 211, 163, .28);
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.hero-stats {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(232, 211, 163, .22);
}

.stat {
  padding: 34px 24px;
  text-align: center;
}

.stat + .stat {
  border-left: 1px solid rgba(232, 211, 163, .18);
}

.stat strong {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(30px, 3.6vw, 44px);
  letter-spacing: .04em;
  color: var(--gold-300);
}

.stat strong em {
  font-style: normal;
  font-size: .55em;
  margin-left: 2px;
  color: var(--cream-50);
}

.stat-label {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  letter-spacing: .18em;
  color: rgba(250, 247, 241, .66);
}

/* ---------- Section shell ---------- */
.section {
  position: relative;
  padding: 116px 0;
}

.section--tight {
  padding: 96px 0;
}

.section--cream {
  background: var(--cream-50);
}

.section--sand {
  background: var(--cream-100);
}

.section--dark {
  color: var(--cream-50);
  background:
    radial-gradient(920px 540px at 90% 0%, rgba(198, 161, 91, .16), transparent 60%),
    linear-gradient(165deg, var(--wine-900), var(--wine-800) 62%, var(--wine-700));
}

.section--deep {
  color: var(--cream-50);
  background:
    radial-gradient(760px 460px at 12% 6%, rgba(198, 161, 91, .14), transparent 62%),
    linear-gradient(160deg, var(--wine-950), var(--wine-900) 55%, var(--wine-800));
}

.section-head {
  max-width: 700px;
  margin: 0 auto 66px;
  text-align: center;
}

.section-head--left {
  max-width: none;
  margin-inline: 0;
  text-align: left;
}

.section-head--wide {
  max-width: 820px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-size: 13px;
  letter-spacing: .38em;
  padding-left: .38em;
  color: var(--gold-600);
  margin-bottom: 20px;
}

.section-tag::before {
  content: "";
  width: 34px;
  height: 1px;
  flex: 0 0 auto;
  background: var(--gold-500);
}

.section-tag.center::after {
  content: "";
  width: 34px;
  height: 1px;
  flex: 0 0 auto;
  background: var(--gold-500);
}

.section--dark .section-tag,
.section--deep .section-tag,
.section-tag.light {
  color: var(--gold-300);
}

.section-title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(28px, 3.8vw, 42px);
  line-height: 1.45;
  letter-spacing: .1em;
  color: var(--wine-800);
}

.section--dark .section-title,
.section--deep .section-title {
  color: var(--cream-50);
}

.section-title em {
  font-style: normal;
  color: var(--gold-600);
}

.section--dark .section-title em,
.section--deep .section-title em {
  color: var(--gold-300);
}

.section-sub {
  margin-top: 20px;
  font-size: 15.5px;
  line-height: 2;
  letter-spacing: .04em;
  color: var(--ink-600);
}

.section--dark .section-sub,
.section--deep .section-sub {
  color: rgba(250, 247, 241, .74);
}

.section-note {
  max-width: 900px;
  margin: 54px auto 0;
  padding: 24px 30px;
  border-radius: var(--radius-sm);
  text-align: center;
  font-size: 14.5px;
  line-height: 1.95;
  letter-spacing: .04em;
  color: var(--ink-600);
  background: rgba(255, 255, 255, .62);
  border: 1px dashed rgba(198, 161, 91, .55);
}

.section--dark .section-note,
.section--deep .section-note {
  color: rgba(250, 247, 241, .8);
  background: rgba(250, 247, 241, .06);
  border-color: rgba(232, 211, 163, .34);
}

/* ---------- 品牌理念 ---------- */
.concept-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

.concept-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 56px 46px 48px;
  border-radius: var(--radius);
  overflow: hidden;
  color: var(--cream-50);
  background:
    radial-gradient(520px 340px at 86% -8%, rgba(198, 161, 91, .26), transparent 58%),
    linear-gradient(158deg, var(--wine-800), var(--wine-950));
  box-shadow: var(--shadow-md);
}

.concept-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(232, 211, 163, .14) 1px, transparent 1.4px);
  background-size: 30px 30px;
  opacity: .34;
  mask-image: radial-gradient(ellipse at 60% 20%, #000 24%, transparent 82%);
  -webkit-mask-image: radial-gradient(ellipse at 60% 20%, #000 24%, transparent 82%);
}

.concept-card > * {
  position: relative;
  z-index: 1;
}

.concept-index {
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .3em;
  color: var(--gold-400);
  margin-bottom: 20px;
}

.concept-card h3 {
  font-family: var(--font-serif);
  font-size: clamp(23px, 2.4vw, 29px);
  font-weight: 700;
  letter-spacing: .1em;
  line-height: 1.5;
  margin-bottom: 10px;
}

.concept-card h3 span {
  color: var(--gold-300);
}

.concept-role {
  font-size: 12.5px;
  letter-spacing: .26em;
  color: rgba(250, 247, 241, .56);
  margin-bottom: 30px;
}

.concept-card p {
  font-size: 14.8px;
  line-height: 2.05;
  letter-spacing: .04em;
  color: rgba(250, 247, 241, .82);
}

.concept-card p + p {
  margin-top: 16px;
}

.concept-card b {
  font-weight: 500;
  color: var(--gold-300);
}

.mission {
  margin-top: 30px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.mission-item {
  padding: 34px 32px;
  border-radius: var(--radius);
  text-align: center;
  background: var(--white);
  border: 1px solid var(--cream-200);
  box-shadow: var(--shadow-sm);
}

.mission-item strong {
  display: block;
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--wine-800);
  margin-bottom: 12px;
}

.mission-item span {
  font-size: 14px;
  line-height: 1.95;
  color: var(--ink-600);
}

/* ---------- 行业痛点 ---------- */
.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.pain-card {
  position: relative;
  padding: 46px 36px 40px;
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid var(--cream-200);
  box-shadow: var(--shadow-sm);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}

.pain-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 36px;
  right: 36px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, transparent, var(--gold-500), transparent);
  opacity: 0;
  transition: opacity .3s ease;
}

.pain-card:hover {
  transform: translateY(-8px);
  border-color: transparent;
  box-shadow: var(--shadow-md);
}

.pain-card:hover::before {
  opacity: 1;
}

.pain-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  margin-bottom: 24px;
  border-radius: 50%;
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--wine-700);
  background: linear-gradient(145deg, var(--cream-50), var(--cream-200));
  border: 1px solid rgba(198, 161, 91, .45);
}

.pain-card h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--wine-800);
  margin-bottom: 14px;
}

.pain-card p {
  font-size: 14.5px;
  line-height: 2;
  color: var(--ink-600);
}

.pain-extra {
  margin-top: 30px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.pain-extra li {
  padding: 28px 30px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .7);
  border: 1px solid var(--cream-200);
}

.pain-extra strong {
  display: block;
  font-family: var(--font-serif);
  font-size: 16.5px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--wine-800);
  margin-bottom: 10px;
}

.pain-extra span {
  font-size: 14px;
  line-height: 1.95;
  color: var(--ink-600);
}

/* ---------- 市场机遇 ---------- */
.market-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin-bottom: 62px;
}

.market-stat {
  padding: 38px 26px;
  border-radius: var(--radius);
  text-align: center;
  background: rgba(250, 247, 241, .06);
  border: 1px solid rgba(232, 211, 163, .24);
  transition: transform .3s ease, border-color .3s ease, background .3s ease;
}

.market-stat:hover {
  transform: translateY(-6px);
  border-color: rgba(232, 211, 163, .48);
  background: rgba(250, 247, 241, .09);
}

.market-stat strong {
  display: block;
  font-family: var(--font-serif);
  font-size: clamp(30px, 3.4vw, 42px);
  font-weight: 700;
  letter-spacing: .03em;
  color: var(--gold-300);
}

.market-stat strong em {
  font-style: normal;
  font-size: .55em;
  margin-left: 2px;
  color: var(--cream-50);
}

.market-stat span {
  display: block;
  margin-top: 10px;
  font-size: 13.5px;
  line-height: 1.85;
  letter-spacing: .06em;
  color: rgba(250, 247, 241, .68);
}

.market-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

.market-block {
  padding: 40px 38px;
  border-radius: var(--radius);
  background: rgba(250, 247, 241, .05);
  border: 1px solid rgba(232, 211, 163, .2);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.market-block h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--cream-50);
  margin-bottom: 8px;
}

.market-block .market-label {
  display: inline-block;
  font-size: 12.5px;
  letter-spacing: .24em;
  color: var(--gold-400);
  margin-bottom: 18px;
}

.market-block p {
  font-size: 14.8px;
  line-height: 2.05;
  letter-spacing: .04em;
  color: rgba(250, 247, 241, .78);
}

/* ---------- 核心优势 ---------- */
.adv-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
}

.adv-card {
  position: relative;
  display: flex;
  gap: 26px;
  padding: 42px 40px;
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid var(--cream-200);
  box-shadow: var(--shadow-sm);
  transition: transform .3s ease, box-shadow .3s ease;
}

.adv-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.adv-icon {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  color: var(--wine-700);
  background: linear-gradient(145deg, var(--cream-50), var(--cream-200));
  border: 1px solid rgba(198, 161, 91, .45);
}

.adv-icon svg {
  width: 30px;
  height: 30px;
}

.adv-card h3 {
  font-family: var(--font-serif);
  font-size: 19.5px;
  font-weight: 700;
  letter-spacing: .07em;
  line-height: 1.5;
  color: var(--wine-800);
  margin-bottom: 12px;
}

.adv-card h3 em {
  font-style: normal;
  display: block;
  font-family: var(--font-sans);
  font-size: 12.5px;
  font-weight: 400;
  letter-spacing: .2em;
  color: var(--gold-600);
  margin-bottom: 6px;
}

.adv-card p {
  font-size: 14.5px;
  line-height: 2;
  color: var(--ink-600);
}

/* ---------- AI 引擎 ---------- */
.ai-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 72px;
  align-items: center;
}

.ai-copy .section-title {
  margin-bottom: 24px;
}

.ai-copy > p {
  font-size: 15.5px;
  line-height: 2.05;
  letter-spacing: .03em;
  color: var(--ink-600);
}

.ai-list {
  margin-top: 38px;
  display: grid;
  gap: 22px;
}

.ai-list li {
  display: flex;
  gap: 18px;
  padding-bottom: 22px;
  border-bottom: 1px dashed var(--cream-200);
}

.ai-list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.ai-list-num {
  flex: 0 0 auto;
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--gold-600);
  padding-top: 3px;
}

.ai-list strong {
  display: block;
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .07em;
  color: var(--wine-800);
  margin-bottom: 8px;
}

.ai-list p {
  font-size: 14.3px;
  line-height: 1.98;
  color: var(--ink-600);
}

.ai-visual {
  position: relative;
  padding: 18px 18px 0 0;
}

.ai-card {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 470px;
  padding: 52px 40px;
  border-radius: var(--radius);
  overflow: hidden;
  text-align: center;
  color: var(--cream-50);
  background:
    radial-gradient(560px 380px at 82% 8%, rgba(198, 161, 91, .3), transparent 58%),
    linear-gradient(160deg, var(--wine-800), var(--wine-950));
  box-shadow: var(--shadow-md);
}

.ai-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(232, 211, 163, .16) 1px, transparent 1.4px);
  background-size: 30px 30px;
  opacity: .4;
  mask-image: radial-gradient(ellipse at 50% 40%, #000 20%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 40%, #000 20%, transparent 80%);
}

.ai-card > * {
  position: relative;
  z-index: 1;
}

.ai-ring {
  position: relative;
  width: 176px;
  height: 176px;
  margin-bottom: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid rgba(232, 211, 163, .38);
}

.ai-ring::before,
.ai-ring::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(232, 211, 163, .22);
}

.ai-ring::before {
  inset: 16px;
}

.ai-ring::after {
  inset: 34px;
  border-style: dashed;
}

.ai-ring-core {
  font-family: var(--font-serif);
  font-size: 44px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--gold-300);
}

.ai-ring-core em {
  font-style: normal;
  display: block;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: .3em;
  color: rgba(250, 247, 241, .6);
  margin-top: 6px;
}

.ai-card-quote {
  font-family: var(--font-serif);
  font-size: 25px;
  font-weight: 600;
  letter-spacing: .2em;
  text-indent: .2em;
}

.ai-card-sub {
  margin-top: 16px;
  font-size: 10.5px;
  letter-spacing: .46em;
  text-indent: .46em;
  color: var(--gold-300);
  opacity: .78;
}

.ai-float {
  position: absolute;
  z-index: 2;
  right: -4px;
  bottom: 30px;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 26px;
  border-radius: 14px;
  color: var(--wine-800);
  background: var(--cream-50);
  box-shadow: var(--shadow-md);
}

.ai-float strong {
  font-family: var(--font-serif);
  font-size: 34px;
  font-weight: 700;
  color: var(--wine-700);
}

.ai-float span {
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: .08em;
  color: var(--ink-600);
}

/* ---------- 加盟模式 ---------- */
.model-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  align-items: stretch;
}

.model-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 46px 38px 40px;
  border-radius: var(--radius);
  background: rgba(250, 247, 241, .05);
  border: 1px solid rgba(232, 211, 163, .22);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  transition: transform .3s ease, border-color .3s ease, background .3s ease;
}

.model-card:hover {
  transform: translateY(-8px);
  border-color: rgba(232, 211, 163, .48);
  background: rgba(250, 247, 241, .09);
}

.model-card--featured {
  background:
    radial-gradient(420px 300px at 84% -10%, rgba(198, 161, 91, .28), transparent 60%),
    linear-gradient(158deg, rgba(250, 247, 241, .14), rgba(250, 247, 241, .06));
  border-color: rgba(232, 211, 163, .55);
  box-shadow: var(--shadow-lg);
}

.model-badge {
  position: absolute;
  top: 24px;
  right: 26px;
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--wine-900);
  background: linear-gradient(135deg, var(--gold-300), var(--gold-500));
}

.model-step {
  font-family: var(--font-serif);
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: .28em;
  color: var(--gold-400);
  margin-bottom: 18px;
}

.model-card h3 {
  font-family: var(--font-serif);
  font-size: 25px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--cream-50);
  margin-bottom: 10px;
}

.model-for {
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--gold-300);
  margin-bottom: 26px;
}

.model-card > p {
  font-size: 14.4px;
  line-height: 2;
  letter-spacing: .03em;
  color: rgba(250, 247, 241, .78);
  margin-bottom: 26px;
}

.model-list {
  display: grid;
  gap: 13px;
  padding-top: 24px;
  margin-top: auto;
  border-top: 1px solid rgba(232, 211, 163, .22);
}

.model-list li {
  position: relative;
  padding-left: 22px;
  font-size: 13.8px;
  line-height: 1.9;
  color: rgba(250, 247, 241, .82);
}

.model-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 11px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold-300), var(--gold-500));
}

/* ---------- 加盟支持 ---------- */
.support-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.support-card {
  padding: 42px 34px 36px;
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid var(--cream-200);
  box-shadow: var(--shadow-sm);
  transition: transform .3s ease, box-shadow .3s ease;
}

.support-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.support-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin-bottom: 24px;
  border-radius: 16px;
  color: var(--wine-700);
  background: linear-gradient(145deg, var(--cream-50), var(--cream-200));
  border: 1px solid rgba(198, 161, 91, .4);
}

.support-icon svg {
  width: 27px;
  height: 27px;
}

.support-card h3 {
  font-family: var(--font-serif);
  font-size: 18.5px;
  font-weight: 700;
  letter-spacing: .07em;
  color: var(--wine-800);
  margin-bottom: 12px;
}

.support-card p {
  font-size: 14.3px;
  line-height: 1.98;
  color: var(--ink-600);
}

/* ---------- 会员体系 ---------- */
.tier-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  align-items: stretch;
}

.tier-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 42px 30px 34px;
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid var(--cream-200);
  box-shadow: var(--shadow-sm);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}

.tier-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
}

.tier-card--featured {
  border-color: rgba(198, 161, 91, .62);
  box-shadow: var(--shadow-md);
  background:
    radial-gradient(340px 220px at 80% -8%, rgba(198, 161, 91, .16), transparent 62%),
    var(--white);
}

.tier-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  padding: 5px 18px;
  border-radius: 999px;
  font-size: 11.5px;
  letter-spacing: .18em;
  white-space: nowrap;
  color: var(--wine-900);
  background: linear-gradient(135deg, var(--gold-300), var(--gold-500));
  box-shadow: 0 6px 16px rgba(198, 161, 91, .34);
}

.tier-name {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--wine-800);
  margin-bottom: 18px;
}

.tier-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  padding-bottom: 22px;
  margin-bottom: 22px;
  border-bottom: 1px dashed var(--cream-200);
}

.tier-price strong {
  font-family: var(--font-serif);
  font-size: 38px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--wine-700);
}

.tier-price span {
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--ink-400);
}

.tier-audience {
  font-size: 13px;
  line-height: 1.9;
  letter-spacing: .05em;
  color: var(--gold-600);
  margin-bottom: 20px;
}

.tier-list {
  display: grid;
  gap: 13px;
  margin-top: auto;
}

.tier-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13.7px;
  line-height: 1.85;
  color: var(--ink-700);
}

.check {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  margin-top: 3px;
  border-radius: 50%;
  font-size: 11px;
  color: var(--wine-800);
  background: linear-gradient(135deg, var(--gold-300), var(--gold-500));
}

.tier-foot {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--cream-200);
  font-size: 12.5px;
  line-height: 1.8;
  letter-spacing: .04em;
  color: var(--ink-400);
}

/* ---------- 收益测算 ---------- */
.earn-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.earn-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 46px 36px 38px;
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid var(--cream-200);
  box-shadow: var(--shadow-sm);
  transition: transform .3s ease, box-shadow .3s ease;
}

.earn-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.earn-label {
  display: inline-flex;
  align-self: flex-start;
  padding: 6px 16px;
  margin-bottom: 22px;
  border-radius: 999px;
  font-size: 12.5px;
  letter-spacing: .18em;
  color: var(--wine-800);
  background: var(--cream-100);
  border: 1px solid rgba(198, 161, 91, .42);
}

.earn-value {
  font-family: var(--font-serif);
  font-size: clamp(30px, 3.2vw, 40px);
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--wine-700);
  line-height: 1.3;
}

.earn-value small {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: .08em;
  color: var(--ink-400);
  margin-left: 6px;
}

.earn-desc {
  margin-top: 12px;
  padding-bottom: 24px;
  margin-bottom: 24px;
  border-bottom: 1px dashed var(--cream-200);
  font-size: 14px;
  line-height: 1.95;
  color: var(--ink-600);
}

.earn-list {
  display: grid;
  gap: 14px;
}

.earn-list li {
  position: relative;
  padding-left: 24px;
  font-size: 14px;
  line-height: 1.9;
  color: var(--ink-700);
}

.earn-list li::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 11px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold-400), var(--gold-600));
}

/* ---------- 战略与资本 ---------- */
.roadmap-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 54px;
}

.roadmap-head .section-sub {
  max-width: 440px;
  margin-top: 0;
}

.phase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.phase-card {
  position: relative;
  padding: 42px 34px 36px;
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid var(--cream-200);
  box-shadow: var(--shadow-sm);
}

.phase-card::after {
  content: "";
  position: absolute;
  left: 0;
  top: 34px;
  bottom: 34px;
  width: 3px;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--gold-300), var(--gold-600));
}

.phase-time {
  font-family: var(--font-serif);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .22em;
  color: var(--gold-600);
  margin-bottom: 14px;
}

.phase-card h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--wine-800);
  margin-bottom: 18px;
}

.phase-list {
  display: grid;
  gap: 12px;
}

.phase-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.92;
  color: var(--ink-600);
}

.phase-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 11px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  border: 1px solid var(--gold-500);
}

.capital-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  margin-top: 74px;
}

.capital-card {
  position: relative;
  padding: 42px 34px 36px;
  border-radius: var(--radius);
  overflow: hidden;
  color: var(--cream-50);
  background:
    radial-gradient(420px 300px at 88% -10%, rgba(198, 161, 91, .22), transparent 60%),
    linear-gradient(158deg, var(--wine-800), var(--wine-950));
  box-shadow: var(--shadow-md);
}

.capital-card h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .12em;
  margin-bottom: 8px;
}

.capital-meta {
  display: flex;
  gap: 26px;
  padding: 18px 0 22px;
  margin-bottom: 22px;
  border-bottom: 1px solid rgba(232, 211, 163, .22);
}

.capital-meta div span {
  display: block;
  font-size: 11.5px;
  letter-spacing: .18em;
  color: rgba(250, 247, 241, .52);
}

.capital-meta div strong {
  display: block;
  margin-top: 4px;
  font-family: var(--font-serif);
  font-size: 21px;
  font-weight: 700;
  color: var(--gold-300);
}

.capital-card ul {
  display: grid;
  gap: 11px;
}

.capital-card li {
  position: relative;
  padding-left: 20px;
  font-size: 13.8px;
  line-height: 1.9;
  color: rgba(250, 247, 241, .8);
}

.capital-card li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold-400);
}

/* ---------- 活动实景 ---------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--wine-900);
  box-shadow: var(--shadow-md);
}

.gallery-item img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  transition: transform .8s cubic-bezier(.22, .61, .36, 1);
}

.gallery-item:hover img {
  transform: scale(1.06);
}

.gallery-item figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 54px 26px 22px;
  background: linear-gradient(180deg, transparent, rgba(61, 21, 29, .88));
  color: var(--cream-50);
}

.gallery-item figcaption strong {
  display: block;
  font-family: var(--font-serif);
  font-size: 16.5px;
  font-weight: 700;
  letter-spacing: .1em;
}

.gallery-item figcaption span {
  display: block;
  margin-top: 5px;
  font-size: 12.5px;
  letter-spacing: .16em;
  color: var(--gold-300);
}

/* ---------- 发展成果 ---------- */
.mile-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.mile-card {
  padding: 46px 36px 40px;
  border-radius: var(--radius);
  text-align: center;
  background: var(--white);
  border: 1px solid var(--cream-200);
  box-shadow: var(--shadow-sm);
}

.mile-card strong {
  display: block;
  font-family: var(--font-serif);
  font-size: clamp(38px, 4.4vw, 54px);
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--wine-700);
}

.mile-card strong em {
  font-style: normal;
  font-size: .5em;
  margin-left: 2px;
  color: var(--gold-600);
}

.mile-card h3 {
  margin-top: 12px;
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--wine-800);
}

.mile-card p {
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.95;
  color: var(--ink-600);
}

/* ---------- 加盟流程 ---------- */
.flow-list {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 22px;
  counter-reset: flow;
}

.flow-step {
  position: relative;
  padding: 0 8px;
  text-align: center;
}

.flow-step:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 30px;
  right: -12px;
  width: calc(100% - 30px);
  height: 1px;
  background-image: linear-gradient(90deg, var(--gold-500) 55%, transparent 0);
  background-size: 9px 1px;
  opacity: .55;
}

.flow-num {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  margin-bottom: 24px;
  border-radius: 50%;
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--wine-800);
  background: var(--cream-50);
  border: 1px solid var(--gold-500);
  box-shadow: 0 0 0 7px var(--cream-100);
}

.flow-step h3 {
  font-family: var(--font-serif);
  font-size: 16.5px;
  font-weight: 700;
  letter-spacing: .07em;
  color: var(--wine-800);
  margin-bottom: 10px;
}

.flow-step p {
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--ink-600);
}

/* ---------- FAQ ---------- */
.faq-list {
  max-width: 880px;
  margin-inline: auto;
  display: grid;
  gap: 16px;
}

.faq-item {
  border-radius: 14px;
  background: var(--white);
  border: 1px solid var(--cream-200);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: border-color .3s ease, box-shadow .3s ease;
}

.faq-item[open] {
  border-color: rgba(198, 161, 91, .55);
  box-shadow: var(--shadow-md);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 30px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: .05em;
  color: var(--wine-800);
  transition: color .25s ease;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary:hover {
  color: var(--gold-600);
}

.faq-item summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-sans);
  font-size: 24px;
  font-weight: 400;
  line-height: 1;
  color: var(--gold-600);
  transition: transform .3s ease;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item p {
  padding: 0 30px 24px;
  font-size: 14.5px;
  line-height: 2;
  color: var(--ink-600);
}

/* ---------- 加盟申请 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.12fr;
  gap: 66px;
  align-items: stretch;
}

.contact-info {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 56px 50px;
  border-radius: var(--radius);
  overflow: hidden;
  color: var(--cream-50);
  background:
    radial-gradient(520px 380px at 88% -6%, rgba(198, 161, 91, .26), transparent 60%),
    linear-gradient(160deg, var(--wine-800), var(--wine-950));
  box-shadow: var(--shadow-md);
}

.contact-info::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(232, 211, 163, .14) 1px, transparent 1.4px);
  background-size: 30px 30px;
  opacity: .35;
  mask-image: radial-gradient(ellipse at 50% 30%, #000 20%, transparent 82%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 30%, #000 20%, transparent 82%);
}

.contact-info > * {
  position: relative;
  z-index: 1;
}

.contact-title {
  font-family: var(--font-serif);
  font-size: clamp(28px, 3.2vw, 38px);
  font-weight: 700;
  line-height: 1.42;
  letter-spacing: .1em;
  margin-bottom: 20px;
}

.contact-desc {
  font-size: 14.8px;
  line-height: 2;
  letter-spacing: .04em;
  color: rgba(250, 247, 241, .76);
  margin-bottom: 38px;
}

.contact-list {
  display: grid;
  gap: 24px;
}

.contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-ico {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  color: var(--gold-300);
  background: rgba(232, 211, 163, .1);
  border: 1px solid rgba(232, 211, 163, .32);
}

.contact-ico svg {
  width: 20px;
  height: 20px;
}

.contact-list strong {
  display: block;
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: .08em;
  margin-bottom: 4px;
}

.contact-list span {
  font-size: 13.5px;
  line-height: 1.8;
  letter-spacing: .04em;
  color: rgba(250, 247, 241, .68);
}

.contact-form {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 22px;
  padding: 52px 48px;
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid var(--cream-200);
  box-shadow: var(--shadow-sm);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.form-group label {
  font-size: 13.5px;
  letter-spacing: .1em;
  color: var(--ink-700);
}

.form-group label em {
  font-style: normal;
  color: var(--wine-600);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  border-radius: 10px;
  border: 1px solid var(--cream-200);
  background: var(--cream-50);
  font-size: 14.5px;
  letter-spacing: .04em;
  color: var(--ink-900);
  transition: border-color .25s ease, box-shadow .25s ease, background .25s ease;
  appearance: none;
  -webkit-appearance: none;
}

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9' viewBox='0 0 14 9'%3E%3Cpath d='m1 1 6 6 6-6' fill='none' stroke='%239a8f84' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 18px center;
  padding-right: 44px;
  cursor: pointer;
}

.form-group textarea {
  resize: vertical;
  min-height: 106px;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--ink-400);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--gold-500);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(198, 161, 91, .18);
}

.form-group input.invalid,
.form-group select.invalid,
.form-group textarea.invalid {
  border-color: var(--danger);
  box-shadow: 0 0 0 3px rgba(181, 74, 74, .12);
}

.form-consent {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--ink-400);
}

.form-consent input {
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin-top: 4px;
  accent-color: var(--wine-700);
}

/* 蜜罐字段：正常访客看不见，机器人会填写 */
.form-honeypot {
  position: absolute !important;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-note {
  text-align: center;
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--ink-400);
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--wine-950);
  color: rgba(250, 247, 241, .72);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 46px;
  padding: 72px 0 54px;
}

.brand--footer {
  color: var(--cream-50);
  margin-bottom: 20px;
}

.footer-brand p {
  font-size: 13.8px;
  line-height: 2;
  letter-spacing: .05em;
  color: rgba(250, 247, 241, .55);
}

.footer-company {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid rgba(232, 211, 163, .18);
  font-size: 12.5px;
  line-height: 1.9;
  color: rgba(250, 247, 241, .42);
}

.footer-col h4 {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--gold-300);
  margin-bottom: 22px;
}

.footer-col ul {
  display: grid;
  gap: 12px;
}

.footer-col li {
  font-size: 13.8px;
  line-height: 1.8;
  letter-spacing: .04em;
}

.footer-col a {
  transition: color .25s ease;
}

.footer-col a:hover {
  color: var(--gold-300);
}

.footer-note {
  font-size: 12.5px;
  color: rgba(250, 247, 241, .4);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  padding: 24px 0 30px;
  border-top: 1px solid rgba(232, 211, 163, .16);
  font-size: 12.5px;
  color: rgba(250, 247, 241, .42);
}

.footer-bottom ul {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
}

.footer-icp {
  display: inline-block;
  margin-left: 10px;
  color: rgba(250, 247, 241, .34);
}

/* ---------- 右侧浮动客服 ---------- */
.float-bar {
  position: fixed;
  right: 22px;
  bottom: 30px;
  z-index: 92;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.float-item {
  position: relative;
  display: flex;
  align-items: center;
}

.float-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 15px;
  color: var(--wine-800);
  background: rgba(250, 247, 241, .96);
  border: 1px solid rgba(198, 161, 91, .5);
  box-shadow: 0 8px 22px rgba(61, 21, 29, .14);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: transform .25s ease, background .25s ease, color .25s ease, border-color .25s ease, box-shadow .25s ease;
}

.float-btn svg {
  width: 25px;
  height: 25px;
}

.float-btn:hover,
.float-btn:focus-visible {
  color: var(--wine-900);
  background: linear-gradient(135deg, var(--gold-300), var(--gold-500));
  border-color: transparent;
  box-shadow: 0 12px 26px rgba(198, 161, 91, .4);
  transform: translateY(-2px);
}

.float-btn[aria-expanded="true"] {
  color: var(--cream-50);
  background: linear-gradient(135deg, var(--wine-700), var(--wine-900));
  border-color: transparent;
}

/* 悬停时向左展开的文字标签 */
.float-tip {
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  padding: 7px 14px;
  border-radius: 8px;
  font-size: 13px;
  letter-spacing: .06em;
  white-space: nowrap;
  color: var(--cream-50);
  background: rgba(61, 21, 29, .94);
  box-shadow: 0 8px 20px rgba(61, 21, 29, .22);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-50%) translateX(6px);
  transition: opacity .25s ease, transform .25s ease, visibility .25s ease;
}

.float-item:hover .float-tip,
.float-item:focus-within .float-tip {
  opacity: 1;
  visibility: visible;
  transform: translateY(-50%) translateX(0);
}

/* 返回顶部：滚动一段距离后才出现 */
.float-item--top {
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity .3s ease, transform .3s ease, visibility .3s ease;
}

.float-item--top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: none;
}

/* 客服面板 */
.float-panel {
  position: absolute;
  right: calc(100% + 16px);
  bottom: 0;
  width: 292px;
  padding: 26px 24px 24px;
  border-radius: 16px;
  background: var(--white);
  border: 1px solid var(--cream-200);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateX(12px);
  transition: opacity .28s ease, transform .28s ease, visibility .28s ease;
}

.float-panel.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: none;
}

.float-panel h4 {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--wine-800);
  margin-bottom: 8px;
}

.float-panel p {
  font-size: 13.5px;
  line-height: 1.92;
  color: var(--ink-600);
}

.float-pane[hidden] {
  display: none;
}

.float-panel .float-meta {
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--gold-600);
  margin-bottom: 16px;
}

.float-actions {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.float-actions .btn {
  padding: 12px 18px;
  font-size: 14px;
}

.float-panel .float-hint {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--cream-200);
  font-size: 12.5px;
  color: var(--ink-400);
}

.float-qr {
  display: block;
  width: 100%;
  max-width: 200px;
  height: auto;
  margin: 0 auto 16px;
  border-radius: 10px;
  border: 1px solid var(--cream-200);
  background: var(--cream-50);
}

.float-panel-close {
  position: absolute;
  top: 8px;
  right: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  font-size: 20px;
  line-height: 1;
  color: var(--ink-400);
  transition: color .2s ease, background .2s ease;
}

.float-panel-close:hover {
  color: var(--wine-800);
  background: var(--cream-100);
}

.mobile-cta {
  display: none;
}

.mobile-cta-bar {
  display: none;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 40px;
  z-index: 200;
  max-width: min(560px, calc(100% - 40px));
  padding: 16px 28px;
  border-radius: 999px;
  font-size: 14.5px;
  letter-spacing: .04em;
  text-align: center;
  color: var(--cream-50);
  background: rgba(61, 21, 29, .96);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, 16px);
  transition: opacity .3s ease, transform .3s ease, visibility .3s ease;
}

.toast.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .nav-links {
    gap: 20px;
  }

  .nav-links a {
    font-size: 13.5px;
  }

  .tier-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .flow-list {
    grid-template-columns: repeat(3, 1fr);
    row-gap: 40px;
  }

  .flow-step:nth-child(3)::after {
    display: none;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  .nav-links {
    position: fixed;
    inset: 78px 0 auto;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 24px 26px;
    background: rgba(250, 247, 241, .99);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 20px 40px rgba(74, 26, 34, .14);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    transition: opacity .28s ease, transform .28s ease, visibility .28s ease;
  }

  .nav-links.is-open {
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .nav-links a {
    padding: 15px 4px;
    border-bottom: 1px solid var(--cream-200);
    color: var(--ink-700);
    font-size: 15px;
  }

  .nav-links .btn {
    padding: 15px 24px;
    border-bottom: none;
  }

  .nav-links a::after {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-actions .btn {
    display: none;
  }

  .mobile-cta {
    display: block;
    margin-top: 18px;
  }

  .section {
    padding: 88px 0;
  }

  .hero-inner {
    padding-bottom: 58px;
  }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat {
    padding: 26px 18px;
  }

  .stat:nth-child(3) {
    border-left: none;
  }

  .stat:nth-child(n+3) {
    border-top: 1px solid rgba(232, 211, 163, .18);
  }

  .concept-grid,
  .pain-extra,
  .market-split,
  .adv-grid,
  .ai-grid,
  .model-grid,
  .support-grid,
  .earn-grid,
  .phase-grid,
  .capital-grid,
  .mile-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .pain-grid {
    grid-template-columns: 1fr;
  }

  .mission {
    grid-template-columns: 1fr;
  }

  .market-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .ai-grid,
  .contact-grid {
    gap: 44px;
  }

  .ai-visual {
    padding: 14px 14px 0 0;
  }

  .ai-float {
    right: 0;
    bottom: 18px;
    padding: 16px 20px;
  }

  .ai-float strong {
    font-size: 28px;
  }

  .roadmap-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(1180px, calc(100% - 32px));
  }

  .brand-name {
    font-size: 18px;
  }

  .brand-sub {
    letter-spacing: .22em;
  }

  .hero {
    padding-top: 128px;
  }

  .eyebrow {
    font-size: 12px;
    letter-spacing: .3em;
    text-indent: .3em;
  }

  .eyebrow::before,
  .eyebrow::after {
    width: 26px;
  }

  .section-title {
    letter-spacing: .07em;
  }

  .concept-card,
  .contact-info,
  .contact-form {
    padding: 40px 26px 36px;
  }

  .pain-card,
  .support-card,
  .earn-card,
  .phase-card,
  .capital-card,
  .mile-card,
  .market-block,
  .model-card {
    padding: 34px 26px 30px;
  }

  .adv-card {
    flex-direction: column;
    gap: 20px;
    padding: 34px 26px;
  }

  .tier-grid {
    grid-template-columns: 1fr;
  }

  .tier-card {
    padding: 36px 26px 30px;
  }

  .tier-card--featured {
    margin-top: 12px;
  }

  .gallery-grid,
  .market-stats,
  .hero-stats {
    grid-template-columns: 1fr;
  }

  .stat + .stat {
    border-left: none;
    border-top: 1px solid rgba(232, 211, 163, .18);
  }

  .gallery-item img {
    height: 240px;
  }

  .flow-list {
    grid-template-columns: 1fr;
  }

  .flow-step:not(:last-child)::after {
    display: none;
  }

  .flow-step {
    text-align: left;
    padding-left: 78px;
  }

  .flow-num {
    position: absolute;
    left: 0;
    top: 0;
    margin-bottom: 0;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
    padding: 56px 0 40px;
  }

  /* 浮动客服：手机端避开底部行动条，并收起「加盟申请」（底部栏已有入口） */
  .float-bar {
    right: 12px;
    bottom: 82px;
    gap: 8px;
  }

  .float-btn {
    width: 46px;
    height: 46px;
    border-radius: 13px;
  }

  .float-btn svg {
    width: 22px;
    height: 22px;
  }

  .float-item--join {
    display: none;
  }

  .float-panel {
    width: min(276px, calc(100vw - 108px));
    padding: 22px 18px 20px;
  }

  .float-tip {
    display: none;
  }

  .mobile-cta-bar {
    display: flex;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 95;
    gap: 10px;
    padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
    background: rgba(250, 247, 241, .96);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    box-shadow: 0 -6px 24px rgba(74, 26, 34, .1);
  }

  .mobile-cta-bar .btn {
    flex: 1;
    padding: 13px 12px;
    font-size: 14px;
  }

  .site-footer {
    padding-bottom: 74px;
  }
}

@media print {
  .site-header,
  .float-bar,
  .mobile-cta-bar,
  .toast {
    display: none !important;
  }

  body {
    background: #fff;
  }
}