/* ==========================================================================
   独晤 DuWu · 官网样式
   ========================================================================== */

:root {
  /* 品牌色：夜紫玫粉 */
  --rose:      #c04a7a;
  --rose-dark: #9c2f5f;
  --rose-deep: #7a2150;
  --rose-soft: #ff7eb6;
  --plum:      #6b4c8a;
  --plum-dark: #4a2f6b;

  /* 中性色 */
  --ink:       #2a1f33;
  --ink-soft:  #4c3e58;
  --muted:     #7a6a85;
  --line:      rgba(192, 74, 122, .14);

  /* 背景 */
  --bg-cream:  #fff9fb;
  --bg-pink:   #fdeef3;
  --bg-lilac:  #f3eaf7;
  --white:     #ffffff;

  --grad-main: linear-gradient(120deg, #ff7eb6 0%, #d95a8f 45%, #9b5fc4 100%);
  --grad-main-2: linear-gradient(120deg, #ff9abf, #c04a7a);
  --grad-soft: linear-gradient(180deg, #fff6fa 0%, #f6ecfb 100%);

  --shadow-sm: 0 4px 16px rgba(192, 74, 122, .10);
  --shadow-md: 0 12px 34px rgba(192, 74, 122, .14);
  --shadow-lg: 0 24px 60px rgba(154, 47, 95, .18);

  --r-sm: 10px;
  --r-md: 18px;
  --r-lg: 28px;
  --r-xl: 36px;

  --container: 1140px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1000px 620px at 88% -4%, rgba(255,158,189,.28), transparent 62%),
    radial-gradient(900px 600px at -6% 22%, rgba(196,168,255,.22), transparent 60%),
    linear-gradient(180deg, var(--bg-cream) 0%, #fdf3f8 34%, #f6edfb 100%);
  background-repeat: no-repeat;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

.container { width: min(var(--container), 92vw); margin-inline: auto; }

/* ---------- 背景光晕 ---------- */
.bg-glow { position: fixed; border-radius: 50%; filter: blur(90px); opacity: .5; z-index: -1; pointer-events: none; }
.bg-glow--1 { width: 480px; height: 480px; top: -140px; right: -120px; background: radial-gradient(circle, rgba(255,126,182,.34), transparent 68%); }
.bg-glow--2 { width: 520px; height: 520px; top: 36%; left: -220px; background: radial-gradient(circle, rgba(167,128,227,.26), transparent 66%); }
.bg-glow--3 { width: 420px; height: 420px; bottom: -120px; right: 8%; background: radial-gradient(circle, rgba(255,158,189,.22), transparent 64%); }

/* ---------- 通用小组件 ---------- */
.kicker {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 3px;
  color: var(--rose);
  font-weight: 600;
  margin-bottom: 14px;
}

.grad-text {
  background: var(--grad-main);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  border-radius: 999px;
  background: rgba(255,255,255,.75);
  border: 1px solid rgba(192,74,122,.22);
  color: var(--rose-dark);
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: .5px;
  box-shadow: 0 4px 18px rgba(192,74,122,.10);
  backdrop-filter: blur(6px);
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 14px 30px;
  border-radius: 999px;
  font-size: 15.5px;
  font-weight: 600;
  letter-spacing: .5px;
  transition: transform .22s ease, box-shadow .22s ease, background .22s ease, color .22s ease;
  white-space: nowrap;
}
.btn--primary {
  color: #fff;
  background: var(--grad-main-2);
  box-shadow: 0 10px 26px rgba(192,74,122,.34);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 16px 34px rgba(192,74,122,.44); }
.btn--ghost {
  color: var(--ink-soft);
  background: rgba(255,255,255,.7);
  border: 1.5px solid rgba(107,76,138,.22);
  box-shadow: var(--shadow-sm);
}
.btn--ghost:hover { transform: translateY(-2px); border-color: var(--rose); color: var(--rose-dark); }
.btn--white { background: #fff; color: var(--rose-dark); box-shadow: 0 14px 32px rgba(122,33,80,.30); }
.btn--white:hover { transform: translateY(-3px) scale(1.02); box-shadow: 0 20px 44px rgba(122,33,80,.36); }
.btn--sm { padding: 10px 22px; font-size: 14px; }
.btn--block { width: 100%; }

/* ==========================================================================
   导航
   ========================================================================== */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 250, 252, .82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(192,74,122,.08);
  transition: box-shadow .25s ease;
}
.nav.is-scrolled { box-shadow: 0 8px 24px rgba(120, 30, 80, .08); }
.nav__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.nav__logo { display: inline-flex; align-items: center; gap: 8px; }
.nav__logo-mark {
  display: grid; place-items: center;
  width: 34px; height: 34px;
  border-radius: 11px;
  background: var(--grad-main);
  color: #fff; font-size: 16px;
  box-shadow: 0 6px 16px rgba(192,74,122,.34);
}
.nav__logo-text { font-size: 21px; font-weight: 800; letter-spacing: 2px; }
.nav__menu { display: flex; gap: 34px; }
.nav__menu a {
  font-size: 15px; color: var(--ink-soft); font-weight: 500;
  position: relative; transition: color .2s;
}
.nav__menu a::after {
  content: ""; position: absolute; left: 0; bottom: -6px;
  width: 0; height: 2px; border-radius: 2px;
  background: var(--grad-main-2);
  transition: width .25s ease;
}
.nav__menu a:hover { color: var(--rose-dark); }
.nav__menu a:hover::after { width: 100%; }
.nav__burger { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.nav__burger span { width: 22px; height: 2px; border-radius: 2px; background: var(--ink); transition: .3s; }
.nav__burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__burger.is-open span:nth-child(2) { opacity: 0; }
.nav__burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.nav__drawer {
  display: none;
  flex-direction: column; gap: 4px;
  padding: 8px 4vw 18px;
  border-top: 1px solid var(--line);
  background: rgba(255,250,252,.97);
}
.nav__drawer a { padding: 12px 6px; font-size: 16px; color: var(--ink-soft); border-bottom: 1px dashed rgba(192,74,122,.12); }
.nav__drawer a:last-child { border-bottom: none; }
.nav__drawer.is-open { display: flex; }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero { position: relative; padding: 74px 0 90px; }
.hero__inner {
  display: grid;
  grid-template-columns: 1.06fr .94fr;
  align-items: center;
  gap: 40px;
}
.hero__title { font-size: clamp(38px, 5.2vw, 60px); line-height: 1.22; font-weight: 800; letter-spacing: 1px; margin: 22px 0 20px; }
.hero__sub { font-size: 17.5px; color: var(--ink-soft); line-height: 1.9; margin-bottom: 32px; }
.hero__ctas { display: flex; gap: 16px; flex-wrap: wrap; }
.hero__meta {
  display: flex; gap: 34px;
  margin-top: 42px; padding-top: 26px;
  border-top: 1px dashed rgba(192,74,122,.22);
}
.hero__meta-item { display: flex; flex-direction: column; }
.hero__meta-item strong { font-size: 23px; color: var(--rose-dark); font-weight: 800; }
.hero__meta-item span { font-size: 13px; color: var(--muted); margin-top: 2px; }

/* 手机外框 */
.phone {
  position: relative;
  width: 300px; height: 620px;
  margin-inline: auto;
  background: #101014;
  border-radius: 44px;
  padding: 11px;
  box-shadow: 0 30px 70px rgba(80, 20, 60, .28), inset 0 0 0 2px rgba(255,255,255,.06);
}
.phone__notch {
  position: absolute; top: 11px; left: 50%; transform: translateX(-50%);
  width: 118px; height: 26px; border-radius: 0 0 16px 16px;
  background: #101014; z-index: 5;
}
.phone__notch::after {
  content: ""; position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%);
  width: 44px; height: 6px; border-radius: 6px; background: #26262c;
}
.phone__screen {
  position: relative; overflow: hidden;
  width: 100%; height: 100%;
  border-radius: 34px;
  background: #f7f4f0;
}
.phone--sm { width: 264px; height: 552px; border-radius: 38px; }
.phone--sm .phone__screen { border-radius: 28px; }
.phone--sm .phone__notch { height: 22px; width: 100px; }
.phone--sm .phone__notch::after { width: 38px; }
.phone--md { width: 282px; height: 588px; border-radius: 40px; }
.phone--md .phone__screen { border-radius: 30px; }

/* 微信头部 */
.chat-screen { display: flex; flex-direction: column; }
.chat-screen__top {
  flex: none;
  display: flex; align-items: center; justify-content: space-between;
  padding: 34px 14px 10px;
  background: #f5f3f1;
  border-bottom: 1px solid #eae6e1;
}
.chat-screen__back { font-size: 24px; color: #333; line-height: 1; }
.chat-screen__more { font-size: 19px; color: #444; letter-spacing: 1px; }
.chat-screen__who { display: flex; align-items: center; gap: 9px; }
.chat-screen__name { font-size: 14px; font-weight: 700; color: #2b2b2b; }
.chat-screen__status { font-size: 10px; color: #9b9389; }

.avatar {
  position: relative;
  display: grid; place-items: center;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--c1, #ffd1dc), var(--c2, #ff9bb5));
  color: #5c1f33; font-weight: 700; font-size: 16px;
  flex: none;
}
.avatar__dot {
  position: absolute; right: -1px; bottom: -1px;
  width: 11px; height: 11px; border-radius: 50%;
  background: #0bbf6c; border: 2px solid #fff;
}
.avatar--lg { width: 34px; height: 34px; font-size: 13px; }
.avatar--md { width: 44px; height: 44px; font-size: 17px; }

.chat-screen__body {
  flex: 1; overflow: hidden;
  display: flex; flex-direction: column; gap: 9px;
  padding: 14px 12px;
  background:
    linear-gradient(180deg, #f5f3f1, #eee9e4),
    repeating-linear-gradient(0deg, rgba(0,0,0,.02) 0 1px, transparent 1px 28px);
}
.bubble { max-width: 78%; display: flex; flex-direction: column; }
.bubble--them { align-self: flex-start; }
.bubble--me { align-self: flex-end; align-items: flex-end; }
.bubble__text {
  padding: 8px 12px;
  border-radius: 16px;
  font-size: 12.5px;
  line-height: 1.55;
  box-shadow: 0 1px 1px rgba(0,0,0,.04);
}
.bubble--them .bubble__text { background: #fff; color: #333; border-top-left-radius: 4px; }
.bubble--me .bubble__text { background: #b9ec9a; color: #22331a; border-top-right-radius: 4px; }
.bubble__time { font-size: 9px; color: #b3aaa0; margin-top: 3px; padding: 0 3px; }

/* 转账 / 红包卡片 */
.transfer, .red-packet {
  width: 218px;
  background: #fff; border-radius: 12px; overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,.05);
}
.transfer__row { display: flex; align-items: center; gap: 9px; padding: 9px 10px; }
.transfer__icon { font-size: 18px; }
.transfer__title { font-size: 12.5px; color: #333; font-weight: 600; }
.transfer__hint { font-size: 9.5px; color: #9b9389; }
.transfer__amt { margin-left: auto; font-size: 15px; color: #c04a7a; font-weight: 700; }
.transfer__divider {
  font-size: 10px; color: #9b9389; text-align: center;
  padding: 5px; border-top: 1px dashed #e8e4de; background: #faf8f5;
}
.bubble--transfer .bubble__text { box-shadow: none; }

.bubble--red { align-self: flex-end; }
.red-packet {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 10px;
  background: linear-gradient(135deg, #ffefd0, #ffe3ae);
}
.red-packet > span { font-size: 20px; }
.red-packet strong { font-size: 11.5px; color: #8a4b00; display: block; }
.red-packet em { font-size: 9.5px; color: #b9813a; font-style: normal; display: block; }
.red-packet__amt { margin-left: auto; font-size: 15px; color: #b54a00; font-weight: 800; font-family: Georgia, serif; }

.chat-typing { display: flex; align-items: center; gap: 4px; align-self: flex-start; padding-left: 4px; }
.chat-typing span {
  width: 5px; height: 5px; border-radius: 50%; background: #c9bfb2;
  animation: typing 1.2s infinite;
}
.chat-typing span:nth-child(2) { animation-delay: .18s; }
.chat-typing span:nth-child(3) { animation-delay: .36s; }
.chat-typing em { font-size: 9px; color: #9b9389; font-style: normal; margin-left: 3px; }
@keyframes typing { 0%,60%,100% { transform: translateY(0); opacity:.5; } 30% { transform: translateY(-3px); opacity:1; } }

.chat-screen__input {
  flex: none;
  display: flex; align-items: center; gap: 7px;
  padding: 8px 10px;
  background: #f5f3f1; border-top: 1px solid #e6e1db;
}
.chat-screen__input-icon { font-size: 15px; color: #7a7066; }
.chat-screen__input-box {
  flex: 1; padding: 6px 11px;
  background: #fff; border-radius: 6px;
  font-size: 11.5px; color: #b3aaa0;
}

/* 捏角屏 */
.char-screen { display: flex; flex-direction: column; padding-top: 40px; background: linear-gradient(180deg, #f7f1fb, #eee5f6); }
.char-screen__top { text-align: center; font-size: 15px; font-weight: 700; color: var(--plum-dark); margin-bottom: 14px; }
.char-form { margin: 0 14px; padding: 14px; background: #fff; border-radius: 16px; box-shadow: 0 8px 22px rgba(107,76,138,.12); }
.char-form__avatar {
  display: grid; place-items: center;
  width: 58px; height: 58px; margin: 0 auto 12px;
  border-radius: 50%;
  background: linear-gradient(135deg, #ffd1dc, #ff9bb5);
  font-size: 22px; font-weight: 800; color: #5c1f33;
  box-shadow: 0 6px 16px rgba(255,126,182,.4);
}
.char-form__row { display: flex; justify-content: space-between; align-items: center; padding: 7px 2px; border-bottom: 1px dashed #efe7f4; font-size: 11.5px; }
.char-form__row span { color: #9b8aa5; }
.char-form__row b { color: #4a2f6b; font-weight: 600; }
.char-form__tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.char-form__tags span { font-size: 9.5px; color: #7a21ab; background: #f3e6fb; padding: 3px 8px; border-radius: 999px; }

/* 来电屏 */
.call-screen {
  position: relative;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px;
  padding-top: 30px;
  background: radial-gradient(700px 500px at 50% -10%, #7c2d5f, #3d1a4a 62%, #241033);
  color: #fff;
}
.call-screen__bg {
  position: absolute; inset: 0;
  background-image:
    radial-gradient(2px 2px at 20% 30%, rgba(255,255,255,.8), transparent),
    radial-gradient(1.5px 1.5px at 70% 20%, rgba(255,255,255,.7), transparent),
    radial-gradient(1.5px 1.5px at 30% 65%, rgba(255,255,255,.6), transparent),
    radial-gradient(2px 2px at 80% 55%, rgba(255,255,255,.7), transparent),
    radial-gradient(1px 1px at 55% 80%, rgba(255,255,255,.6), transparent),
    radial-gradient(1.5px 1.5px at 12% 85%, rgba(255,255,255,.5), transparent),
    radial-gradient(1px 1px at 90% 12%, rgba(255,255,255,.6), transparent);
  opacity: .9;
}
.call-screen__avatar {
  position: relative; z-index: 2;
  display: grid; place-items: center;
  width: 110px; height: 110px;
  border-radius: 50%;
  font-size: 42px; font-weight: 800; color: #fff;
  background: linear-gradient(135deg, #ff9bb5, #9b5fc4);
  box-shadow: 0 0 0 8px rgba(255,255,255,.08), 0 16px 40px rgba(0,0,0,.35);
  margin-bottom: 12px;
}
.call-screen__name { font-size: 20px; font-weight: 700; z-index: 2; letter-spacing: 2px; }
.call-screen__status { font-size: 11px; color: rgba(255,255,255,.75); z-index: 2; margin-bottom: 8px; }
.call-screen__wave { display: flex; align-items: center; gap: 3px; height: 34px; z-index: 2; }
.call-screen__wave span {
  width: 3px; border-radius: 3px;
  background: linear-gradient(180deg, #ff9bb5, #9b5fc4);
  animation: wave 1s ease-in-out infinite;
}
.call-screen__wave span:nth-child(2n) { animation-delay: .12s; }
.call-screen__wave span:nth-child(3n) { animation-delay: .24s; }
@keyframes wave { 0%,100% { height: 6px; } 50% { height: 26px; } }
.call-screen__actions { display: flex; gap: 12px; z-index: 2; margin-top: 20px; }
.call-btn {
  display: grid; place-items: center;
  width: 42px; height: 42px; border-radius: 50%;
  background: rgba(255,255,255,.14);
  color: #fff; font-size: 16px;
  transition: .2s;
}
.call-btn:hover { background: rgba(255,255,255,.28); }
.call-btn--end { background: #e5484d; }
.call-btn--end:hover { background: #ff5c61; }

/* 朋友圈屏 */
.moment-screen { display: flex; flex-direction: column; background: #f2eee8; padding-top: 30px; }
.moment-screen__cover {
  position: relative;
  height: 118px; margin-bottom: 46px;
  background: linear-gradient(120deg, #ffd1dc, #c9b8ff);
}
.moment-screen__avatar {
  position: absolute; left: 12px; bottom: -30px;
  display: grid; place-items: center;
  width: 58px; height: 58px; border-radius: 8px;
  background: linear-gradient(135deg, #ff9bb5, #7c4fd0);
  color: #fff; font-size: 22px; font-weight: 800;
  border: 3px solid #f2eee8;
}
.moment-screen__name { position: absolute; left: 78px; bottom: -26px; font-size: 13px; font-weight: 700; color: #3a2f23; }
.moment-post { margin: 12px 12px 0; padding: 11px; background: #fff; border-radius: 12px; }
.moment-post__head { display: flex; align-items: center; gap: 8px; }
.moment-post__head b { font-size: 13px; color: #5d8ac0; }
.moment-post__text { font-size: 11.5px; color: #333; margin: 8px 0; line-height: 1.6; }
.moment-post__img { display: flex; gap: 6px; }
.mini-img {
  width: 76px; height: 76px; border-radius: 6px;
  display: grid; place-items: center; font-size: 30px;
  background: linear-gradient(135deg, #ffe3ee, #ffd0e0);
}
.mini-img:nth-child(2) { background: linear-gradient(135deg, #dfd4ff, #c3b1f5); }
.moment-post__meta { display: flex; justify-content: space-between; font-size: 9.5px; color: #a89e90; margin-top: 8px; }

/* 写信屏 */
.letter-screen { display: flex; align-items: flex-start; justify-content: center; padding-top: 52px; background: linear-gradient(160deg, #5b3a6b, #8a4f79); }
.letter-screen__paper {
  width: 80%; padding: 18px 16px;
  background: #fdf8ef;
  border-radius: 8px;
  box-shadow: 0 14px 30px rgba(0,0,0,.25);
  font-size: 10.5px; color: #5a4a3a; line-height: 1.8;
}
.letter-screen__date { font-size: 8.5px; color: #b5a48e; text-align: right; margin-bottom: 6px; }
.letter-screen__paper p { text-indent: 2em; margin-bottom: 2px; }
.letter-screen__paper p:nth-of-type(2) { margin-top: 8px; }
.letter-screen__sign { text-indent: 0 !important; text-align: right; margin-top: 8px; color: #8a6a4f; }

/* 亲密度屏 */
.intimacy-screen { display: flex; flex-direction: column; align-items: center; padding-top: 54px; background: linear-gradient(180deg, #fff3fa, #f2e3f8); }
.intimacy-screen .ring {
  display: grid; place-items: center;
  width: 112px; height: 112px;
  border-radius: 50%;
  background: conic-gradient(#ff7eb6 0 74%, #eed9f2 74% 100%);
  padding: 8px;
  box-shadow: 0 10px 26px rgba(255,126,182,.35);
}
.intimacy-screen .ring span {
  display: grid; place-items: center;
  width: 100%; height: 100%; border-radius: 50%;
  background: #fff;
  font-size: 38px; font-weight: 800; color: var(--rose-dark);
}
.intimacy-screen h3 { margin-top: 14px; font-size: 18px; color: var(--plum-dark); }
.intimacy-screen__level { font-size: 10.5px; color: var(--rose); background: #ffe3ef; padding: 2px 10px; border-radius: 999px; margin-top: 4px; }
.intimacy-screen__bar { width: 72%; height: 8px; border-radius: 8px; background: #eed9f2; margin-top: 14px; overflow: hidden; }
.intimacy-screen__bar-fill { width: 74%; height: 100%; border-radius: 8px; background: var(--grad-main-2); }
.intimacy-screen__nums { width: 72%; display: flex; justify-content: space-between; font-size: 9px; color: #9b8aa5; margin-top: 5px; }
.intimacy-screen__list { width: 82%; margin-top: 16px; background: #fff; border-radius: 14px; padding: 6px 14px; box-shadow: 0 8px 20px rgba(154,47,95,.10); }
.intimacy-screen__list li { display: flex; justify-content: space-between; padding: 7px 0; border-bottom: 1px dashed #f0e0ec; font-size: 11px; }
.intimacy-screen__list li:last-child { border-bottom: none; }
.intimacy-screen__list span { color: #9b8aa5; }
.intimacy-screen__list b { color: var(--rose-dark); font-weight: 700; }

/* 漂浮卡片 */
.hero__phone { position: relative; }
.float-card {
  position: absolute;
  display: flex; align-items: center; gap: 10px;
  padding: 11px 16px;
  background: rgba(255,255,255,.9);
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(8px);
  animation: floaty 5s ease-in-out infinite;
}
.float-card > span { font-size: 22px; }
.float-card strong { display: block; font-size: 13.5px; color: var(--ink); }
.float-card em { font-style: normal; font-size: 10.5px; color: var(--muted); }
.float-card--heart { top: 14%; right: -6%; }
.float-card--voice { bottom: 12%; left: -7%; animation-delay: 1.6s; }
@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }

/* ==========================================================================
   Download 区
   ========================================================================== */
.download { padding: 40px 0 70px; }
.download__inner {
  background: rgba(255,255,255,.66);
  border: 1px solid rgba(192,74,122,.12);
  border-radius: var(--r-xl);
  padding: 52px 48px;
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(8px);
}
.download__head { text-align: center; margin-bottom: 34px; }
.download__head h2 { font-size: clamp(30px, 3.6vw, 42px); font-weight: 800; letter-spacing: 1px; }
.download__head p { color: var(--muted); margin-top: 10px; }
.download__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.dl-card {
  padding: 30px;
  background: var(--white);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column; align-items: center; text-align: center;
  transition: transform .25s ease, box-shadow .25s ease;
}
.dl-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.dl-card__icon {
  display: grid; place-items: center;
  width: 58px; height: 58px; border-radius: 18px;
  background: var(--grad-soft);
  font-size: 26px;
  margin-bottom: 14px;
}
.dl-card h3 { font-size: 21px; font-weight: 800; margin-bottom: 8px; }
.dl-card > p { color: var(--muted); font-size: 14.5px; margin-bottom: 20px; }

.qr { display: flex; flex-direction: column; align-items: center; gap: 10px; margin-bottom: 20px; }
.qr__inner {
  width: 152px; padding: 10px;
  background: #fff; border-radius: 14px;
  box-shadow: 0 4px 18px rgba(0,0,0,.08);
  border: 1px solid #f0e6ec;
}
.qr small { font-size: 11px; color: var(--muted); letter-spacing: 1px; }

.qr__inner--pending {
  display: flex; align-items: center; justify-content: center;
  background: repeating-linear-gradient(135deg, #faf3f7 0 8px, #fff5fa 8px 16px);
  border-style: dashed;
}
.qr__placeholder {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  text-align: center; color: var(--muted);
}
.qr__placeholder-icon { font-size: 28px; line-height: 1; margin-bottom: 2px; }
.qr__placeholder-title { font-size: 14px; font-weight: 600; color: #5b3a55; letter-spacing: 2px; }
.qr__placeholder-sub   { font-size: 10.5px; color: #9a7e93; letter-spacing: 1px; }

.dl-list { width: 100%; margin-bottom: 18px; }
.dl-list li {
  display: flex; align-items: center; gap: 12px;
  padding: 13px 4px;
  border-bottom: 1px dashed rgba(192,74,122,.16);
  text-align: left;
}
.dl-list li:last-child { border-bottom: none; }
.dl-list__os { font-weight: 700; font-size: 15px; width: 84px; }
.dl-list__status {
  font-size: 12px; color: #b8898f;
  background: #f8e4e7; padding: 2px 10px; border-radius: 999px;
}
.dl-list__status--ok { color: #0e9f6e; background: #e2f6ee; }
.dl-list__btn {
  margin-left: auto;
  font-size: 12.5px; color: #b8898f;
  background: #fdf1f3; padding: 6px 14px; border-radius: 999px;
  transition: .2s;
}
.dl-list__btn--ok { color: #0e9f6e; background: #e2f6ee; }
.dl-list__btn:hover { transform: scale(1.04); }
.dl-card__note { font-size: 11.5px; color: #b0a0aa; }

/* ==========================================================================
   角色轮播
   ========================================================================== */
.characters { padding: 74px 0 40px; }
.characters__head { text-align: center; margin-bottom: 46px; }
.characters__head h2, .section-head h2 { font-size: clamp(30px, 3.6vw, 42px); font-weight: 800; letter-spacing: 1px; }
.characters__head p, .section-head p { color: var(--muted); margin-top: 12px; }

.carousel { position: relative; }
.carousel__viewport { overflow: hidden; border-radius: var(--r-lg); }
.carousel__track { display: flex; transition: transform .55s cubic-bezier(.22,.8,.3,1); }
.slide {
  flex: 0 0 100%;
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  align-items: center;
  gap: 44px;
  padding: 42px 40px;
  min-height: 520px;
  background: rgba(255,255,255,.78);
  border: 1px solid rgba(192,74,122,.10);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm);
}
.slide__copy { padding: 10px 6px; }
.slide__num {
  font-size: 13px; font-weight: 700; letter-spacing: 3px;
  color: var(--rose);
}
.slide__copy h3 { font-size: clamp(26px, 3vw, 34px); font-weight: 800; margin: 12px 0 14px; line-height: 1.3; }
.slide__copy > p { color: var(--ink-soft); font-size: 15.5px; line-height: 1.9; margin-bottom: 18px; }
.slide__list li {
  padding: 8px 0 8px 4px;
  font-size: 14.5px; color: var(--ink-soft);
  border-bottom: 1px dashed rgba(192,74,122,.16);
}
.slide__list li:last-child { border-bottom: none; }

.carousel__nav {
  display: flex; align-items: center; justify-content: center;
  gap: 22px; margin-top: 26px;
}
.carousel__btn {
  width: 42px; height: 42px; border-radius: 50%;
  display: grid; place-items: center;
  font-size: 22px; color: var(--rose-dark);
  background: #fff;
  border: 1.5px solid rgba(192,74,122,.24);
  box-shadow: var(--shadow-sm);
  transition: .2s;
}
.carousel__btn:hover { background: var(--grad-main-2); color: #fff; border-color: transparent; transform: translateY(-2px); }
.carousel__dots { display: flex; gap: 8px; }
.carousel__dots button {
  width: 8px; height: 8px; border-radius: 999px;
  background: rgba(192,74,122,.22);
  transition: .3s;
}
.carousel__dots button.is-on { width: 26px; background: var(--grad-main-2); }

/* ==========================================================================
   核心功能
   ========================================================================== */
.features { padding: 74px 0 30px; }
.section-head { text-align: center; margin-bottom: 46px; }
.section-head--left { text-align: left; }
.features__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.feature {
  padding: 28px 26px;
  background: rgba(255,255,255,.86);
  border: 1px solid rgba(192,74,122,.12);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm);
  transition: transform .28s ease, box-shadow .28s ease;
}
.feature:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.feature__icon {
  display: grid; place-items: center;
  width: 54px; height: 54px;
  border-radius: 16px;
  background: var(--grad-soft);
  font-size: 25px;
  margin-bottom: 16px;
}
.feature h3 { font-size: 19px; font-weight: 800; margin-bottom: 8px; }
.feature p { color: var(--muted); font-size: 14px; line-height: 1.8; }

/* ==========================================================================
   聊天体验
   ========================================================================== */
.experience { padding: 74px 0 30px; }
.exp-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 40px;
  margin-bottom: 56px;
}
.exp-row--reverse .exp-row__visual { order: 2; }
.exp-row__list { display: flex; flex-direction: column; gap: 20px; }
.exp-item {
  display: flex; gap: 18px; align-items: flex-start;
  padding: 22px 22px;
  background: rgba(255,255,255,.8);
  border: 1px solid rgba(192,74,122,.12);
  border-radius: var(--r-md);
  transition: transform .25s ease, box-shadow .25s ease;
}
.exp-item:hover { transform: translateX(6px); box-shadow: var(--shadow-sm); }
.exp-item__num {
  flex: none;
  font-size: 16px; font-weight: 800;
  color: #fff;
  display: grid; place-items: center;
  width: 40px; height: 40px; border-radius: 12px;
  background: var(--grad-main-2);
  box-shadow: 0 6px 16px rgba(192,74,122,.3);
  font-family: Georgia, serif;
}
.exp-item h4 { font-size: 17.5px; font-weight: 800; margin-bottom: 5px; }
.exp-item p { color: var(--muted); font-size: 14px; line-height: 1.8; }

/* 角色广场屏 */
.feed-screen { display: flex; flex-direction: column; padding-top: 34px; background: #fbf8f6; }
.feed-screen__top {
  display: flex; justify-content: space-between;
  padding: 6px 16px;
  font-size: 14px; font-weight: 700; color: #3a2f23;
}
.feed-screen__chips { display: flex; gap: 6px; padding: 10px 14px; overflow: hidden; }
.chip {
  font-size: 10px; color: #8a7a68;
  background: #fff; border: 1px solid #efe5d8;
  padding: 4px 9px; border-radius: 999px; white-space: nowrap;
}
.chip--on { background: var(--rose-dark); color: #fff; border-color: var(--rose-dark); }
.feed-screen__grid { flex: 1; display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; padding: 6px 14px 14px; align-content: start; }
.char-card {
  background: #fff; border-radius: 12px;
  display: flex; flex-direction: column; align-items: center;
  padding: 12px 6px 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,.04);
}
.char-card__av {
  display: grid; place-items: center;
  width: 46px; height: 46px; border-radius: 50%;
  background: linear-gradient(135deg, var(--c1), var(--c2));
  color: #fff; font-size: 17px; font-weight: 800;
  margin-bottom: 7px;
}
.char-card b { font-size: 11.5px; color: #3a2f23; }
.char-card em { font-size: 9px; color: #a89e90; font-style: normal; }

/* ==========================================================================
   用户故事
   ========================================================================== */
.voices { padding: 74px 0 30px; }
.voices__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.voice {
  padding: 30px 28px;
  background: rgba(255,255,255,.88);
  border: 1px solid rgba(192,74,122,.12);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column;
  transition: transform .28s ease, box-shadow .28s ease;
}
.voice:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.voice__stars { color: #ffb84d; font-size: 16px; letter-spacing: 3px; margin-bottom: 14px; }
.voice > p { color: var(--ink-soft); font-size: 15px; line-height: 2; flex: 1; }
.voice__user {
  display: flex; align-items: center; gap: 12px;
  margin-top: 22px; padding-top: 18px;
  border-top: 1px dashed rgba(192,74,122,.18);
}
.voice__user b { display: block; font-size: 14.5px; }
.voice__user span { font-size: 12px; color: var(--muted); }

/* ==========================================================================
   CTA
   ========================================================================== */
.cta { padding: 60px 0; }
.cta__banner {
  position: relative;
  text-align: center;
  padding: 64px 40px;
  border-radius: var(--r-xl);
  color: #fff;
  background:
    radial-gradient(600px 300px at 90% -20%, rgba(255,255,255,.25), transparent 60%),
    radial-gradient(500px 300px at 6% 110%, rgba(255,200,230,.28), transparent 55%),
    linear-gradient(120deg, #e3548c 0%, #c04a7a 40%, #7a3f9e 100%);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.cta__banner::before {
  content: "✦";
  position: absolute; top: 18px; left: 8%;
  font-size: 34px; opacity: .35;
  animation: twinkle 3.5s ease-in-out infinite;
}
.cta__banner::after {
  content: "✧";
  position: absolute; bottom: 22px; right: 9%;
  font-size: 28px; opacity: .35;
  animation: twinkle 3s ease-in-out infinite .8s;
}
@keyframes twinkle { 0%,100% { opacity:.2; transform: scale(.9); } 50% { opacity:.55; transform: scale(1.1); } }
.cta__banner h2 { font-size: clamp(32px, 4vw, 48px); font-weight: 800; letter-spacing: 2px; }
.cta__banner h2 span { opacity: .6; font-weight: 300; }
.cta__banner p { font-size: 16px; color: rgba(255,255,255,.92); margin: 16px 0 30px; line-height: 2; }
.cta__banner .btn { position: relative; z-index: 2; }

/* ==========================================================================
   关于
   ========================================================================== */
.about { padding: 40px 0 80px; }
.about__inner {
  display: grid;
  grid-template-columns: .8fr 1.4fr;
  gap: 44px;
  background: rgba(255,255,255,.72);
  border: 1px solid rgba(192,74,122,.10);
  border-radius: var(--r-xl);
  padding: 48px 46px;
}
.about__body p { color: var(--ink-soft); font-size: 15.5px; line-height: 2.1; margin-bottom: 16px; }
.about__body b { color: var(--rose-dark); font-weight: 700; }

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  background: linear-gradient(180deg, #2b1533, #1d0d28);
  color: #d9c9e0;
  padding: 56px 0 0;
  position: relative;
  overflow: hidden;
}
.footer::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(600px 300px at 90% 0%, rgba(255,126,182,.14), transparent 60%),
    radial-gradient(500px 320px at 10% 100%, rgba(155,95,196,.16), transparent 60%);
  pointer-events: none;
}
.footer__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 30px;
  padding-bottom: 44px;
}
.footer__logo { display: flex; align-items: center; gap: 8px; margin-bottom: 16px; }
.footer__logo span {
  display: grid; place-items: center;
  width: 32px; height: 32px; border-radius: 10px;
  background: var(--grad-main);
  color: #fff; font-size: 15px;
}
.footer__logo b { font-size: 20px; color: #fff; letter-spacing: 2px; }
.footer__col--brand p { font-size: 14px; line-height: 2; color: #a892b6; }
.footer__col h5 { font-size: 14.5px; color: #fff; font-weight: 700; margin-bottom: 16px; letter-spacing: 1px; }
.footer__col a { display: block; font-size: 14px; color: #a892b6; padding: 5px 0; transition: color .2s, transform .2s; }
.footer__col a:hover { color: #ff9abf; transform: translateX(3px); }
.footer__bottom {
  position: relative;
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 20px 0;
}
.footer__bottom-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; }
.footer__bottom-inner span { font-size: 12.5px; color: #856f94; }

/* ==========================================================================
   滚动出现动画
   ========================================================================== */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 1024px) {
  :root { --container: 96vw; }
  .hero__inner { grid-template-columns: 1fr; text-align: center; }
  .hero__copy { display: flex; flex-direction: column; align-items: center; }
  .hero__meta { justify-content: center; }
  .hero__phone--main { display: none; }
  .features__grid, .voices__grid { grid-template-columns: repeat(2, 1fr); }
  .download__grid { grid-template-columns: 1fr; }
  .slide { grid-template-columns: 1fr; min-height: 0; text-align: center; }
  .slide .slide__phone { display: none; }
  .slide__list { text-align: left; max-width: 520px; margin-inline: auto; }
  .exp-row { grid-template-columns: 1fr; }
  .exp-row--reverse .exp-row__visual { order: 0; }
  .exp-row__visual { display: none; }
  .about__inner { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .nav__menu, .nav__cta { display: none; }
  .nav__burger { display: flex; }
  .features__grid, .voices__grid { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .footer__col--brand { grid-column: 1 / -1; }
  .download__inner, .about__inner { padding: 34px 22px; }
  .cta__banner { padding: 46px 22px; }
  .hero { padding-top: 44px; }
  .hero__title { font-size: 36px; }
}