/* ============================================================
   桃气 TAOQI · 元气少女风护肤官网
   奶油粉 / 圆润可爱 / 气泡治愈
   ============================================================ */

:root {
  --bg: #fff9f6;
  --bg-soft: #fff1ec;
  --bg-sky: #eef7fb;
  --surface: #ffffff;
  --ink: #59444f;
  --ink-soft: #8a727b;
  --ink-faint: #b8a1a8;
  --pink: #ff9d8c;
  --pink-deep: #f47f6f;
  --pink-soft: #ffe0d7;
  --peach: #ffd9cd;
  --sky: #aed8ea;
  --sky-deep: #6fa9c4;
  --mint: #bde6d3;
  --line: #ffe3da;
  --shadow-sm: 0 6px 18px rgba(244, 127, 111, 0.1);
  --shadow-md: 0 14px 34px rgba(244, 127, 111, 0.16);
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    "Noto Sans CJK SC", sans-serif;
  --container: 1200px;
  --header-h: 76px;
  --radius: 22px;
  --radius-lg: 30px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

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

[hidden] {
  display: none !important;
}

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

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

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

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

input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

ul,
ol {
  list-style: none;
}

::selection {
  background: var(--pink);
  color: #fff;
}

/* ---------- 通用 ---------- */
.container {
  width: min(var(--container), 100% - 48px);
  margin-inline: auto;
}

.section {
  padding-block: 92px;
}

.section--tint {
  background: var(--bg-soft);
}

.section--sky {
  background: var(--bg-sky);
}

.section-head {
  max-width: 640px;
  margin-bottom: 52px;
}

.section-head--center {
  margin-inline: auto;
  text-align: center;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  letter-spacing: 0.18em;
  color: var(--pink-deep);
  font-weight: 700;
  margin-bottom: 12px;
}

.section-eyebrow::before,
.section-eyebrow::after {
  content: "✿";
  color: var(--pink);
  font-size: 12px;
}

.section-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: 0.03em;
  color: var(--ink);
}

.section-desc {
  margin-top: 14px;
  color: var(--ink-soft);
  font-size: 15px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.05em;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease),
    background 0.25s, color 0.25s;
}

.btn--pink {
  background: linear-gradient(135deg, #ffb09f, #f47f6f);
  color: #fff;
  box-shadow: 0 10px 24px rgba(244, 127, 111, 0.35);
}

.btn--pink:hover {
  transform: translateY(-3px) rotate(-1deg);
  box-shadow: 0 14px 30px rgba(244, 127, 111, 0.42);
}

.btn--soft {
  background: var(--surface);
  color: var(--pink-deep);
  border: 2px solid var(--pink-soft);
}

.btn--soft:hover {
  transform: translateY(-3px);
  border-color: var(--pink);
}

.btn--sky {
  background: var(--sky);
  color: #fff;
  box-shadow: 0 10px 24px rgba(111, 169, 196, 0.3);
}

.btn--sky:hover {
  transform: translateY(-3px) rotate(1deg);
}

.btn--sm {
  padding: 10px 22px;
  font-size: 14px;
}

/* ---------- 导航 ---------- */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(255, 249, 246, 0.9);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.header.is-scrolled {
  border-bottom-color: var(--line);
  box-shadow: var(--shadow-sm);
}

.header__inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 26px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--pink-deep);
}

.brand::before {
  content: "🍑";
  font-size: 24px;
}

.brand small {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.3em;
  color: var(--ink-faint);
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav a {
  position: relative;
  padding: 10px 16px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-soft);
  transition: color 0.25s;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 5px;
  height: 3px;
  border-radius: 3px;
  background: var(--pink);
  transform: scaleX(0);
  transition: transform 0.3s var(--ease);
}

.nav a:hover,
.nav a.is-active {
  color: var(--pink-deep);
}

.nav a:hover::after,
.nav a.is-active::after {
  transform: scaleX(1);
}

/* 桌面端隐藏导航内 CTA */
.nav .btn {
  display: none;
}

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

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: var(--surface);
  border: 2px solid var(--pink-soft);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.nav-toggle span {
  width: 20px;
  height: 2.5px;
  border-radius: 3px;
  background: var(--pink-deep);
  transition: transform 0.3s var(--ease), opacity 0.3s;
}

.nav-toggle.is-open span:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}

.nav-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-open span:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

/* ---------- 页脚 ---------- */
.footer {
  background: linear-gradient(180deg, #ffe9e1, #ffdcd2);
  color: var(--ink);
  padding-top: 72px;
  padding-bottom: 32px;
  border-top: 2px dashed var(--pink-soft);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 44px;
  border-bottom: 1px dashed rgba(244, 127, 111, 0.3);
}

.footer__intro {
  margin-top: 16px;
  max-width: 300px;
  font-size: 14px;
  color: var(--ink-soft);
}

.footer__col-title {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--pink-deep);
  margin-bottom: 18px;
}

.footer__col li + li {
  margin-top: 10px;
}

.footer__col a {
  font-size: 14px;
  color: var(--ink-soft);
  transition: color 0.25s;
}

.footer__col a:hover {
  color: var(--pink-deep);
}

.footer__hotline {
  margin-top: 8px;
  font-size: 25px;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--pink-deep);
}

.footer__hotline span {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--ink-faint);
  margin-bottom: 4px;
}

.footer__socials {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.footer__socials a {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.25s var(--ease);
}

.footer__socials a:hover {
  transform: translateY(-3px) rotate(-6deg);
}

.footer__socials svg {
  width: 19px;
  height: 19px;
  fill: var(--pink-deep);
}

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding-top: 26px;
  font-size: 13px;
  color: var(--ink-faint);
}

.footer__bottom a:hover {
  color: var(--pink-deep);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background:
    radial-gradient(480px 320px at 12% 12%, rgba(255, 217, 205, 0.75), transparent 60%),
    radial-gradient(520px 340px at 88% 80%, rgba(174, 216, 234, 0.55), transparent 60%),
    linear-gradient(160deg, #fff6f2 0%, #ffece4 55%, #eef7fb 100%);
}

.hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 90px;
  background: var(--bg);
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 90' preserveAspectRatio='none'%3E%3Cpath d='M0 60 Q 150 10 300 45 T 600 45 T 900 45 T 1200 45 V 90 H 0 Z' fill='%23000'/%3E%3C/svg%3E");
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 90' preserveAspectRatio='none'%3E%3Cpath d='M0 60 Q 150 10 300 45 T 600 45 T 900 45 T 1200 45 V 90 H 0 Z' fill='%23000'/%3E%3C/svg%3E");
  -webkit-mask-size: 100% 100%;
  mask-size: 100% 100%;
}

.bubble {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.6);
  border: 1.5px solid rgba(255, 255, 255, 0.9);
  animation: bubbleFloat 6s ease-in-out infinite;
}

.bubble--1 {
  width: 90px;
  height: 90px;
  left: 6%;
  top: 18%;
}

.bubble--2 {
  width: 46px;
  height: 46px;
  left: 14%;
  bottom: 22%;
  animation-delay: 1.2s;
}

.bubble--3 {
  width: 64px;
  height: 64px;
  right: 8%;
  top: 24%;
  animation-delay: 2s;
}

.bubble--4 {
  width: 30px;
  height: 30px;
  right: 18%;
  bottom: 18%;
  animation-delay: 0.6s;
}

@keyframes bubbleFloat {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-16px);
  }
}

.hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 48px;
  padding-block: 120px 110px;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border-radius: 999px;
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 700;
  color: var(--pink-deep);
  box-shadow: var(--shadow-sm);
  margin-bottom: 22px;
}

.hero__title {
  font-size: clamp(38px, 5.4vw, 60px);
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.hero__title em {
  font-style: normal;
  color: var(--pink-deep);
  position: relative;
}

.hero__title em::after {
  content: "~";
  position: absolute;
  right: -0.55em;
  color: var(--sky-deep);
}

.hero__subtitle {
  margin-top: 20px;
  max-width: 460px;
  color: var(--ink-soft);
  font-size: 16px;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 40px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-soft);
}

.hero__meta li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.hero__visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__blob {
  position: absolute;
  width: min(430px, 90%);
  aspect-ratio: 1;
  background: radial-gradient(circle at 32% 28%, #fff, rgba(255, 224, 215, 0.9));
  border-radius: 58% 42% 55% 45% / 45% 55% 45% 55%;
  animation: blobMorph 9s ease-in-out infinite;
}

@keyframes blobMorph {
  0%,
  100% {
    border-radius: 58% 42% 55% 45% / 45% 55% 45% 55%;
  }
  50% {
    border-radius: 45% 55% 42% 58% / 55% 45% 55% 45%;
  }
}

.hero__bottle {
  position: relative;
  width: min(260px, 54vw);
  filter: drop-shadow(0 24px 30px rgba(244, 127, 111, 0.25));
  animation: heroWiggle 6s ease-in-out infinite;
}

@keyframes heroWiggle {
  0%,
  100% {
    transform: rotate(-2deg) translateY(0);
  }
  50% {
    transform: rotate(2deg) translateY(-12px);
  }
}

.hero__sticker {
  position: absolute;
  z-index: 3;
  background: var(--surface);
  border-radius: 18px;
  box-shadow: var(--shadow-md);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  transform: rotate(-4deg);
}

.hero__sticker--right {
  transform: rotate(5deg);
}

.hero__sticker span {
  font-size: 26px;
}

.hero__sticker strong {
  display: block;
  font-size: 14px;
  color: var(--ink);
}

.hero__sticker em {
  font-style: normal;
  font-size: 11px;
  color: var(--ink-faint);
}

.hero__sticker--left {
  left: -10px;
  bottom: 16%;
}

.hero__sticker--right {
  right: -12px;
  top: 14%;
}

/* ---------- 卖点卡片 ---------- */
.promise-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.promise-card {
  background: var(--surface);
  border: 2px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 38px 30px;
  text-align: center;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.promise-card:hover {
  transform: translateY(-8px) rotate(-1deg);
  box-shadow: var(--shadow-md);
}

.promise-card__icon {
  width: 76px;
  height: 76px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 34px;
}

.promise-card__icon--pink {
  background: var(--pink-soft);
}

.promise-card__icon--sky {
  background: #dff1f8;
}

.promise-card__icon--mint {
  background: #e1f4ec;
}

.promise-card h3 {
  font-size: 21px;
  font-weight: 800;
  letter-spacing: 0.05em;
  margin-bottom: 10px;
}

.promise-card p {
  font-size: 14px;
  color: var(--ink-soft);
}

/* ---------- 产品 ---------- */
.product-card {
  background: var(--surface);
  border: 2px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.product-card:hover {
  transform: translateY(-8px) rotate(-0.5deg);
  box-shadow: var(--shadow-md);
}

.product-card__visual {
  position: relative;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(120% 90% at 50% 0%, #fff, transparent 55%),
    var(--bg-soft);
}

.product-card__visual svg {
  width: 58%;
  filter: drop-shadow(0 14px 18px rgba(244, 127, 111, 0.2));
  transition: transform 0.4s var(--ease);
}

.product-card:hover .product-card__visual svg {
  transform: translateY(-8px) scale(1.04) rotate(2deg);
}

.product-card__tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--surface);
  color: var(--pink-deep);
  font-size: 12px;
  font-weight: 700;
  border-radius: 999px;
  padding: 5px 13px;
  box-shadow: var(--shadow-sm);
}

.product-card__body {
  padding: 22px 24px 24px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.product-card__cat {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--pink);
}

.product-card__name {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.product-card__desc {
  font-size: 13px;
  color: var(--ink-faint);
  line-height: 1.65;
}

.product-card__foot {
  margin-top: auto;
  padding-top: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.product-card__price {
  font-size: 20px;
  font-weight: 800;
  color: var(--pink-deep);
}

.product-card__price::before {
  content: "¥";
  font-size: 13px;
}

.product-card__more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  color: var(--pink-deep);
  transition: gap 0.25s var(--ease);
}

.product-card__more:hover {
  gap: 10px;
}

.product-card__more svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.section-actions {
  margin-top: 46px;
  text-align: center;
}

/* ---------- 筛选 ---------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 40px;
}

.filter-bar__label {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink-faint);
  margin-right: 6px;
}

.filter-btn {
  padding: 9px 22px;
  border-radius: 999px;
  border: 2px solid var(--line);
  background: var(--surface);
  font-size: 14px;
  font-weight: 700;
  color: var(--ink-soft);
  transition: all 0.25s var(--ease);
}

.filter-btn:hover {
  border-color: var(--pink);
  color: var(--pink-deep);
  transform: translateY(-2px);
}

.filter-btn.is-active {
  background: var(--pink);
  border-color: var(--pink);
  color: #fff;
  box-shadow: 0 8px 18px rgba(244, 127, 111, 0.3);
}

.product-grid__empty {
  display: none;
  text-align: center;
  padding: 80px 20px;
  color: var(--ink-faint);
}

.product-grid__empty.is-visible {
  display: block;
}

/* ---------- 用户晒单 ---------- */
.review-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.review-card {
  background: var(--surface);
  border: 2px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.review-card:hover {
  transform: translateY(-6px) rotate(0.5deg);
  box-shadow: var(--shadow-md);
}

.review-card__stars {
  color: var(--pink);
  font-size: 15px;
  letter-spacing: 2px;
}

.review-card blockquote {
  font-size: 14px;
  color: var(--ink-soft);
  flex: 1;
}

.review-card__user {
  display: flex;
  align-items: center;
  gap: 12px;
}

.review-card__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  background: var(--pink-soft);
}

.review-card__user strong {
  display: block;
  font-size: 14px;
}

.review-card__user span {
  font-size: 12px;
  color: var(--ink-faint);
}

/* ---------- 页面横幅 ---------- */
.page-hero {
  position: relative;
  padding-top: calc(var(--header-h) + 76px);
  padding-bottom: 60px;
  background:
    radial-gradient(480px 260px at 88% 0%, rgba(255, 217, 205, 0.7), transparent 60%),
    radial-gradient(420px 240px at 6% 100%, rgba(174, 216, 234, 0.5), transparent 60%),
    var(--bg);
  border-bottom: 2px dashed var(--pink-soft);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-faint);
  margin-bottom: 18px;
}

.breadcrumb a:hover {
  color: var(--pink-deep);
}

.breadcrumb svg {
  width: 12px;
  height: 12px;
  fill: currentColor;
}

.page-hero__title {
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 900;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.page-hero__desc {
  margin-top: 14px;
  max-width: 560px;
  color: var(--ink-soft);
  font-size: 15px;
}

/* ---------- 故事页 ---------- */
.story-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.story-layout--reverse .story-layout__text {
  order: -1;
}

.story-layout__text p {
  margin-top: 16px;
  color: var(--ink-soft);
  font-size: 15px;
}

.story-layout__visual {
  border-radius: var(--radius-lg);
  min-height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px dashed var(--pink-soft);
  background: var(--bg-soft);
}

.story-layout__visual--sky {
  border-color: #cfeaf4;
  background: var(--bg-sky);
}

.story-layout__visual svg {
  width: 58%;
  filter: drop-shadow(0 16px 22px rgba(244, 127, 111, 0.18));
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-card {
  background: var(--surface);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 20px;
  text-align: center;
  transition: transform 0.3s var(--ease);
}

.stat-card:hover {
  transform: translateY(-5px) rotate(-1deg);
}

.stat-card strong {
  display: block;
  font-size: 38px;
  font-weight: 900;
  color: var(--pink-deep);
  line-height: 1.2;
}

.stat-card strong i {
  font-style: normal;
  font-size: 18px;
}

.stat-card span {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
}

.timeline {
  position: relative;
  max-width: 720px;
  margin-inline: auto;
  padding-left: 40px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 8px;
  bottom: 8px;
  width: 3px;
  border-radius: 3px;
  background: repeating-linear-gradient(var(--pink) 0 12px, transparent 12px 22px);
}

.timeline-item {
  position: relative;
  padding-bottom: 40px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-item::before {
  content: "🍑";
  position: absolute;
  left: -37px;
  top: 2px;
  font-size: 18px;
}

.timeline-item__year {
  font-size: 19px;
  font-weight: 800;
  color: var(--pink-deep);
  margin-bottom: 4px;
}

.timeline-item h3 {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 8px;
}

.timeline-item p {
  font-size: 14px;
  color: var(--ink-soft);
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.value-card {
  background: var(--surface);
  border: 2px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 34px 26px;
  text-align: center;
  transition: transform 0.3s var(--ease);
}

.value-card:hover {
  transform: translateY(-6px) rotate(1deg);
}

.value-card span {
  display: block;
  font-size: 36px;
  margin-bottom: 14px;
}

.value-card h3 {
  font-size: 19px;
  font-weight: 800;
  margin-bottom: 10px;
}

.value-card p {
  font-size: 13px;
  color: var(--ink-soft);
}

/* ---------- 联系页 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: start;
}

.contact-info {
  display: grid;
  gap: 16px;
}

.contact-card {
  background: var(--surface);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px;
  display: flex;
  gap: 16px;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.contact-card:hover {
  transform: translateY(-4px) rotate(-0.5deg);
  box-shadow: var(--shadow-sm);
}

.contact-card__icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 16px;
  background: var(--pink-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}

.contact-card h3 {
  font-size: 15px;
  font-weight: 800;
  margin-bottom: 4px;
}

.contact-card p,
.contact-card a {
  font-size: 13px;
  color: var(--ink-soft);
}

.contact-card a:hover {
  color: var(--pink-deep);
}

.contact-form-wrap {
  background: var(--surface);
  border: 2px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 42px;
  box-shadow: var(--shadow-sm);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 8px;
}

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

.form-control {
  width: 100%;
  border: 2px solid var(--line);
  border-radius: 14px;
  background: var(--bg);
  padding: 13px 16px;
  outline: none;
  transition: border-color 0.25s, box-shadow 0.25s, background 0.25s;
}

.form-control:focus {
  border-color: var(--pink);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(255, 157, 140, 0.18);
}

textarea.form-control {
  resize: vertical;
  min-height: 130px;
}

.form-group.is-error .form-control {
  border-color: var(--pink-deep);
}

.form-group.is-error .form-hint {
  display: block;
  color: var(--pink-deep);
}

.form-hint {
  display: none;
  font-size: 12px;
  margin-top: 6px;
  color: var(--ink-faint);
}

.form-privacy {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: var(--ink-faint);
  margin-bottom: 24px;
}

.form-privacy.is-error {
  color: var(--pink-deep);
}

.form-privacy input {
  margin-top: 4px;
  accent-color: var(--pink);
}

.form-success {
  display: none;
  text-align: center;
  padding: 40px 10px;
}

.form-success.is-visible {
  display: block;
  animation: popIn 0.5s var(--ease) both;
}

.form-success span {
  display: block;
  font-size: 56px;
  margin-bottom: 14px;
}

.form-success h3 {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 10px;
}

.form-success p {
  color: var(--ink-soft);
  font-size: 14px;
}

@keyframes popIn {
  from {
    opacity: 0;
    transform: scale(0.92);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ---------- FAQ ---------- */
.faq-list {
  max-width: 820px;
  margin-inline: auto;
  display: grid;
  gap: 14px;
}

.faq-item {
  background: var(--surface);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow 0.3s;
}

.faq-item.is-open {
  box-shadow: var(--shadow-sm);
  border-color: var(--pink-soft);
}

.faq-item__q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  font-size: 15px;
  font-weight: 700;
  text-align: left;
}

.faq-item__q::before {
  content: "Q";
  color: var(--pink);
  font-weight: 900;
  margin-right: 6px;
}

.faq-item__q svg {
  width: 18px;
  height: 18px;
  fill: var(--pink);
  flex-shrink: 0;
  transition: transform 0.3s var(--ease);
}

.faq-item.is-open .faq-item__q svg {
  transform: rotate(45deg);
}

.faq-item__a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease);
}

.faq-item__a p {
  padding: 0 24px 22px;
  font-size: 14px;
  color: var(--ink-soft);
}

/* ---------- 福利/流程 ---------- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.process-card {
  position: relative;
  background: var(--surface);
  border: 2px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
}

.process-card__no {
  display: block;
  font-size: 40px;
  font-weight: 900;
  color: var(--pink-soft);
  line-height: 1;
}

.process-card h3 {
  font-size: 17px;
  font-weight: 800;
  margin: 12px 0 8px;
}

.process-card p {
  font-size: 13px;
  color: var(--ink-faint);
}

.benefit-banner {
  border-radius: var(--radius-lg);
  background:
    radial-gradient(420px 240px at 85% 10%, rgba(255, 255, 255, 0.8), transparent 60%),
    linear-gradient(135deg, #ffd9cd, #ffc4b4);
  padding: 48px;
  display: grid;
  grid-template-columns: 1.3fr auto;
  align-items: center;
  gap: 36px;
}

.benefit-banner h2 {
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 900;
  color: var(--ink);
}

.benefit-banner h2 em {
  font-style: normal;
  color: var(--pink-deep);
}

.benefit-banner p {
  margin-top: 10px;
  color: var(--ink-soft);
  font-size: 14px;
}

.benefit-banner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 返回顶部 ---------- */
.back-top {
  position: fixed;
  right: 26px;
  bottom: 26px;
  z-index: 90;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--pink);
  color: #fff;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.3s, transform 0.3s var(--ease), visibility 0.3s;
}

.back-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-top svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* ---------- 显现动画 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 {
  transition-delay: 0.1s;
}

.reveal-delay-2 {
  transition-delay: 0.2s;
}

.reveal-delay-3 {
  transition-delay: 0.3s;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1100px) {
  .hero__inner {
    grid-template-columns: 1fr;
    gap: 40px;
    padding-block: 110px 110px;
    text-align: center;
  }

  .hero__subtitle {
    margin-inline: auto;
  }

  .hero__cta,
  .hero__meta {
    justify-content: center;
  }

  .hero__visual {
    order: -1;
  }

  .hero__bottle {
    width: min(210px, 48vw);
  }

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

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

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

  .story-layout,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

  .benefit-banner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--bg);
    border-bottom: 2px solid var(--pink-soft);
    padding: 12px 20px 20px;
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, transform 0.3s var(--ease), visibility 0.3s;
  }

  .nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav a {
    padding: 14px 12px;
    border-bottom: 2px dashed var(--pink-soft);
  }

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

  .nav .btn {
    display: inline-flex;
    margin-top: 14px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .header__actions .btn {
    display: none;
  }
}

@media (max-width: 640px) {
  .section {
    padding-block: 64px;
  }

  .container {
    width: calc(100% - 40px);
  }

  .promise-grid,
  .product-grid,
  .review-grid,
  .stats-grid,
  .value-grid,
  .process-grid {
    grid-template-columns: 1fr;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

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

  .contact-form-wrap {
    padding: 26px 20px;
  }

  .hero__sticker {
    padding: 10px 12px;
  }

  .hero__sticker--left {
    left: 0;
  }

  .hero__sticker--right {
    right: 0;
  }

  .benefit-banner {
    padding: 34px 24px;
  }

  .back-top {
    right: 16px;
    bottom: 16px;
  }
}