:root {
  --paper: #fff9ee;
  --paper-deep: #ffeddd;
  --ink: #432f34;
  --muted: #806a6e;
  --coral: #f27674;
  --coral-dark: #c94f58;
  --peach: #ff9a79;
  --mint: #72d6a0;
  --leaf: #4e9c68;
  --butter: #ffd778;
  --violet: #7c70d8;
  --blue: #4f7fd7;
  --white: #fffdf8;
  --border: rgba(63, 45, 56, .11);
  --shadow: 0 20px 60px rgba(84, 55, 70, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; overflow-x: hidden; background: radial-gradient(circle at 83% 8%, rgba(114,214,160,.16), transparent 24rem), radial-gradient(circle at 15% 22%, rgba(255,215,120,.2), transparent 26rem), var(--paper); color: var(--ink); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; line-height: 1.6; }
img { max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }

.site-header { position: sticky; top: 0; z-index: 50; max-width: 1240px; height: 86px; margin: 0 auto; padding: 11px 24px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid rgba(90, 62, 68, .07); background: rgba(255, 249, 238, .88); backdrop-filter: blur(20px); }
.brand { display: flex; align-items: center; gap: 11px; }
.brand img { width: 58px; height: 58px; padding: 2px; object-fit: contain; border-radius: 20px; background: linear-gradient(145deg, #fff4dc, #ffd9d1); box-shadow: 0 7px 18px rgba(114, 69, 68, .15), inset 0 0 0 1px rgba(255,255,255,.88); }
.brand span { display: grid; line-height: 1.15; }
.brand b { font-size: 17px; letter-spacing: -.035em; }
.brand small { margin-top: 4px; color: var(--leaf); font-size: 11px; font-weight: 850; letter-spacing: .08em; }
nav { display: flex; align-items: center; gap: 31px; font-size: 14px; font-weight: 750; }
nav a:not(.nav-pill):hover { color: var(--coral); }
.nav-pill { padding: 10px 18px; border: 1px solid var(--coral-dark); border-radius: 999px; background: rgba(255,255,255,.45); color: var(--coral-dark); transition: .2s ease; }
.nav-pill:hover { background: var(--coral); color: white; }
.menu-button { display: none; border: 0; background: transparent; color: var(--ink); font-weight: 800; }

.hero { position: relative; max-width: 1240px; min-height: 740px; margin: 0 auto; padding: 70px 28px 70px; display: grid; grid-template-columns: .94fr 1.06fr; align-items: center; gap: 60px; overflow: hidden; }
.hero::before { content: ""; position: absolute; width: 460px; height: 460px; left: -260px; top: 60px; border: 80px solid rgba(255, 215, 120, .18); border-radius: 50%; }
.hero-copy { position: relative; z-index: 2; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; color: var(--leaf); font-size: 12px; font-weight: 900; letter-spacing: .11em; text-transform: uppercase; }
.eyebrow i { width: 9px; height: 9px; border-radius: 50% 50% 50% 0; background: var(--leaf); box-shadow: 0 0 0 5px rgba(78, 156, 104, .12); transform: rotate(-35deg); }
.eyebrow.light { color: #ffe7ec; }
.eyebrow.light i { background: var(--mint); box-shadow: 0 0 0 5px rgba(100, 214, 178, .16); }
h1, h2, h3, p { margin-top: 0; }
.hero h1 { margin: 22px 0 25px; font-size: clamp(56px, 6.1vw, 88px); line-height: .99; letter-spacing: -.075em; font-weight: 950; }
.hero h1 em { color: var(--coral-dark); font-style: normal; text-shadow: 0 7px 0 rgba(255, 215, 120, .38); }
.hero-lede { max-width: 570px; margin-bottom: 31px; color: var(--muted); font-size: 18px; line-height: 1.9; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 13px; }
.button { min-height: 52px; padding: 0 23px; display: inline-flex; align-items: center; justify-content: center; border: 2px solid var(--ink); border-radius: 999px; font-size: 14px; font-weight: 900; transition: transform .15s ease, box-shadow .15s ease; }
.button:hover { transform: translateY(-2px); }
.button.primary { border-color: var(--coral); background: var(--coral); color: white; box-shadow: 0 7px 0 var(--coral-dark); }
.button.primary:hover { box-shadow: 0 9px 0 var(--coral-dark); }
.button.secondary { background: rgba(255, 255, 255, .55); }
.trust-list { margin: 30px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 10px 18px; list-style: none; color: var(--muted); font-size: 12px; font-weight: 700; }
.trust-list li::before { content: "✓"; margin-right: 7px; color: #268768; font-weight: 1000; }

.hero-visual { position: relative; min-height: 650px; display: grid; place-items: center; }
.hero-visual::before { content: ""; position: absolute; inset: 55px 25px 10px 75px; border-radius: 50% 46% 51% 44%; background: linear-gradient(145deg, #ffd8d1, #fff0bd 52%, #d5f5df); box-shadow: inset 0 0 0 1px rgba(255,255,255,.7); transform: rotate(-6deg); }
.orbit { position: absolute; z-index: 1; border: 2px dashed rgba(121, 104, 230, .2); border-radius: 50%; }
.orbit-one { width: 490px; height: 490px; right: 10px; top: 85px; border-color: rgba(78,156,104,.28); }
.orbit-two { width: 370px; height: 370px; right: 70px; top: 145px; }
.mascot { position: absolute; z-index: 5; width: 245px; right: -28px; bottom: 15px; filter: drop-shadow(0 20px 20px rgba(102, 53, 69, .2)); animation: float 4s ease-in-out infinite; }
.taotao-bubble { position: absolute; z-index: 5; left: 10px; top: 108px; width: 178px; padding: 15px 17px; display: grid; border: 2px solid rgba(255,255,255,.92); border-radius: 22px 22px 7px 22px; background: rgba(255,253,247,.9); box-shadow: 0 15px 35px rgba(75,49,58,.12); backdrop-filter: blur(12px); transform: rotate(-4deg); }
.taotao-bubble::after { content: ""; position: absolute; right: -10px; bottom: -2px; width: 19px; height: 19px; border-radius: 0 0 18px 0; background: rgba(255,253,247,.92); transform: skew(-25deg); }
.taotao-bubble strong { color: var(--coral-dark); font-size: 14px; }
.taotao-bubble span { margin-top: 3px; color: var(--muted); font-size: 11px; line-height: 1.55; }
@keyframes float { 50% { transform: translateY(-9px) rotate(1deg); } }
.mode-switch { position: absolute; z-index: 6; top: 12px; left: 50%; transform: translateX(-50%); padding: 5px; display: flex; gap: 4px; white-space: nowrap; border: 1px solid rgba(255,255,255,.9); border-radius: 999px; background: rgba(255,255,255,.68); box-shadow: 0 12px 30px rgba(74, 53, 68, .1); backdrop-filter: blur(12px); }
.mode-switch button { padding: 9px 13px; border: 0; border-radius: 999px; background: transparent; color: var(--muted); font-size: 11px; font-weight: 850; cursor: pointer; }
.mode-switch button.active { background: var(--coral); color: white; }
.phone { position: relative; z-index: 3; width: 315px; min-height: 606px; padding: 18px 16px 20px; border: 9px solid #3f3139; border-radius: 48px; background: linear-gradient(#fff9f2, #fff4f5 55%, #f4fff9); box-shadow: 0 35px 80px rgba(65, 43, 55, .25), inset 0 0 0 1px rgba(255,255,255,.7); transform: rotate(3.5deg); transition: background .35s ease; }
.phone[data-phone-mode="action"] { background: linear-gradient(#f5f9ff, #f0f6ff 55%, #f3fff9); }
.phone::before { content: ""; position: absolute; width: 90px; height: 23px; top: 8px; left: 50%; transform: translateX(-50%); border-radius: 20px; background: #3f3139; }
.phone-top { height: 29px; padding: 0 7px; display: flex; align-items: flex-start; justify-content: space-between; color: #59464f; font-size: 9px; font-weight: 800; }
.phone-header { margin-top: 8px; display: flex; align-items: flex-start; justify-content: space-between; }
.phone-header > div { display: grid; }
.phone-header small { color: var(--coral); font-size: 8px; font-weight: 950; letter-spacing: .13em; }
.phone-header b { margin-top: 1px; font-size: 16px; line-height: 1.3; }
.phone-header span:not(.streak) { color: #947c87; font-size: 8px; font-weight: 700; }
.phone[data-phone-mode="action"] .phone-header small { color: var(--blue); }
.streak { padding: 6px 8px; border-radius: 999px; background: #fff0b8; color: #8a6320; font-size: 8px; font-weight: 900; }
.phone-hero { position: relative; height: 157px; margin-top: 15px; padding: 16px; overflow: hidden; border-radius: 27px; background: linear-gradient(135deg, #ff8397, #ff9a8d 58%, #ffd36d); color: white; box-shadow: 0 12px 24px rgba(240, 95, 121, .22); transition: background .35s ease; }
.phone[data-phone-mode="action"] .phone-hero { background: linear-gradient(135deg, #4f7fd7, #668fdd 58%, #69c8b6); box-shadow: 0 12px 24px rgba(63, 110, 190, .22); }
.phone-hero::after { content: "✦"; position: absolute; right: 27px; top: 47px; color: rgba(255,255,255,.65); font-size: 38px; }
.phone-chip { padding: 4px 8px; border-radius: 999px; background: rgba(255,255,255,.22); font-size: 8px; font-weight: 900; }
.phone-hero strong { display: block; margin-top: 10px; font-size: 17px; line-height: 1.28; }
.phone-hero button { margin-top: 12px; padding: 8px 11px; border: 0; border-radius: 999px; background: white; color: var(--coral-dark); font-size: 9px; font-weight: 900; }
.phone[data-phone-mode="action"] .phone-hero button { color: #3f6ebe; }
.phone-steps { margin-top: 9px; padding: 6px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 5px; border: 1px solid white; border-radius: 16px; background: rgba(255,240,244,.9); box-shadow: 0 4px 0 rgba(78,52,66,.06); }
.phone[data-phone-mode="action"] .phone-steps { background: rgba(234,243,255,.92); }
.phone-steps span { min-height: 30px; display: grid; place-items: center; border-radius: 11px; background: rgba(255,255,255,.72); color: #956272; font-size: 7px; font-weight: 900; }
.phone[data-phone-mode="action"] .phone-steps span { color: #4f6f9c; }
.phone-card { margin-top: 12px; padding: 13px; display: flex; align-items: center; gap: 12px; border: 2px solid white; border-radius: 22px; background: linear-gradient(135deg, #ffe0e9, #fff1be 58%, #d8f8ed); box-shadow: 0 7px 0 #eadadd; }
.phone[data-phone-mode="action"] .phone-card { background: linear-gradient(135deg, #ddebff, #eaf4ff 58%, #d8f8ed); }
.card-emoji { width: 57px; height: 57px; display: grid; flex: 0 0 auto; place-items: center; border-radius: 18px; background: rgba(255,255,255,.74); font-size: 25px; }
.phone-card div { display: grid; }
.phone-card small { color: var(--coral-dark); font-size: 7px; font-weight: 900; letter-spacing: .1em; }
.phone[data-phone-mode="action"] .phone-card small { color: var(--blue); }
.phone-card b { font-size: 14px; }
.phone-card p { margin: 2px 0 0; color: #886f79; font-size: 8px; line-height: 1.45; }
.phone-grid { margin-top: 13px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 7px; }
.phone-grid span { min-height: 67px; padding: 9px 7px; display: flex; flex-direction: column; justify-content: space-between; border: 2px solid white; border-radius: 17px; background: #cff5e8; font-size: 17px; box-shadow: 0 4px 0 rgba(74,66,56,.07); }
.phone-grid span:nth-child(2) { background: #fff0b8; }
.phone-grid span:nth-child(3) { background: #e9e2ff; }
.phone-grid b { font-size: 8px; }

.manifesto { padding: 22px 25px; display: flex; justify-content: center; gap: clamp(24px, 6vw, 88px); background: var(--leaf); color: #fffdf7; transform: rotate(-1deg) scale(1.02); }
.manifesto p { margin: 0; font-size: clamp(16px, 2vw, 22px); font-weight: 900; }
.manifesto p::before { content: "●"; margin-right: 13px; color: var(--butter); font-size: .55em; vertical-align: .2em; }

.section { max-width: 1240px; margin: 0 auto; padding: 120px 28px; }
.section-heading { max-width: 780px; }
.section h2 { margin: 19px 0 22px; font-size: clamp(42px, 5vw, 66px); line-height: 1.08; letter-spacing: -.055em; }
.section-heading > p, .mode-copy > p { max-width: 650px; color: var(--muted); font-size: 17px; line-height: 1.9; }
.feature-grid { margin-top: 54px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 19px; }
.feature-card { position: relative; min-height: 320px; padding: 35px; overflow: hidden; border: 2px solid rgba(255,255,255,.9); border-radius: 34px; box-shadow: 0 9px 0 rgba(72, 50, 62, .1); transition: transform .2s ease; }
.feature-card:hover { transform: translateY(-5px) rotate(-.3deg); }
.feature-card.coral { background: #ffe1e7; }
.feature-card.mint { background: #d8f8ed; }
.feature-card.butter { background: #fff0b8; }
.feature-card.violet { background: #e9e2ff; }
.feature-number { position: absolute; top: 20px; right: 28px; color: rgba(63,45,56,.16); font-size: 54px; font-weight: 950; }
.feature-icon { width: 58px; height: 58px; display: grid; place-items: center; border-radius: 19px; background: rgba(255,255,255,.72); font-size: 29px; }
.feature-card h3 { margin: 26px 0 10px; font-size: 31px; line-height: 1.2; letter-spacing: -.035em; }
.feature-card p { max-width: 500px; margin-bottom: 28px; color: #66535d; font-size: 16px; line-height: 1.8; }
.feature-card small { position: absolute; left: 35px; bottom: 28px; color: #78626d; font-size: 12px; font-weight: 800; }

.mode-story { display: grid; grid-template-columns: .85fr 1.15fr; gap: 75px; align-items: center; }
.mode-cards { position: relative; min-height: 550px; }
.mode-cards article { position: absolute; width: min(365px, 72%); padding: 34px; border: 2px solid white; border-radius: 36px; box-shadow: var(--shadow); }
.mode-cards small { font-size: 11px; font-weight: 950; letter-spacing: .16em; }
.mode-cards h3 { margin: 16px 0 22px; font-size: 29px; }
.mode-cards ul { margin: 0; padding: 0; list-style: none; counter-reset: mode; }
.mode-cards li { min-height: 50px; display: flex; align-items: center; gap: 11px; border-top: 1px solid rgba(63,45,56,.1); font-size: 14px; font-weight: 750; counter-increment: mode; }
.mode-cards li::before { content: counter(mode); width: 23px; height: 23px; display: grid; place-items: center; border-radius: 50%; color: white; font-size: 10px; font-weight: 900; }
.care-card { left: 0; top: 35px; z-index: 2; background: #fff0f4; transform: rotate(-4deg); }
.care-card small { color: var(--coral); }
.care-card li::before { background: var(--coral); }
.action-card { right: 0; bottom: 25px; z-index: 3; background: #eaf3ff; transform: rotate(4deg); }
.action-card small { color: var(--blue); }
.action-card li::before { background: var(--blue); }

.privacy-section { max-width: none; padding: 105px max(28px, calc((100vw - 1184px)/2)); display: grid; grid-template-columns: 100px 1fr 1fr; gap: 48px; align-items: start; background: var(--ink); color: white; }
.privacy-mark { width: 78px; height: 78px; display: grid; place-items: center; border: 2px solid rgba(255,255,255,.25); border-radius: 28px 28px 18px 28px; background: var(--coral); color: white; font-size: 30px; font-weight: 950; box-shadow: 0 9px 0 rgba(0,0,0,.14); transform: rotate(-6deg); }
.privacy-section h2 { margin-bottom: 0; }
.privacy-points p { margin: 0; padding: 18px 0; display: grid; grid-template-columns: 105px 1fr; gap: 20px; border-bottom: 1px solid rgba(255,255,255,.14); }
.privacy-points b { color: #ffd96a; font-size: 15px; }
.privacy-points span { color: rgba(255,255,255,.7); font-size: 14px; line-height: 1.8; }
.text-link { display: inline-flex; align-items: center; color: var(--coral-dark); font-size: 14px; font-weight: 900; }
.text-link.light { grid-column: 3; color: #ffe7ec; }

.beta { display: grid; grid-template-columns: 245px 1fr; align-items: center; gap: 40px; }
.beta img { filter: drop-shadow(0 16px 19px rgba(114, 58, 77, .16)); }
.beta h2 { margin-bottom: 16px; }
.beta p { max-width: 710px; color: var(--muted); font-size: 16px; line-height: 1.85; }
.beta-actions { margin-top: 25px; display: flex; align-items: center; gap: 20px; }
.status-pill { padding: 9px 15px; border-radius: 999px; background: #d8f8ed; color: #2a7d64; font-size: 12px; font-weight: 900; }

footer { max-width: 1240px; margin: 0 auto; padding: 40px 28px 48px; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 28px; border-top: 1px solid var(--border); }
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand img { width: 64px; height: 64px; padding: 2px; object-fit: contain; border-radius: 22px; background: linear-gradient(145deg, #fff4dc, #ffd9d1); box-shadow: 0 7px 18px rgba(114, 69, 68, .12); }
.footer-brand div { display: grid; }
.footer-brand b { font-size: 14px; }
.footer-brand span { color: var(--muted); font-size: 12px; }
.footer-links { display: flex; gap: 22px; color: var(--muted); font-size: 13px; font-weight: 750; }
footer > p { grid-column: 1 / -1; margin: 0; color: #a28d97; font-size: 11px; }
.icp-link { color: inherit; text-decoration: underline; text-decoration-color: rgba(162,141,151,.45); text-underline-offset: 3px; }
.icp-link:hover { color: var(--coral-dark); }

.legal-main { max-width: 880px; min-height: calc(100vh - 240px); margin: 0 auto; padding: 75px 28px 110px; }
.legal-head { padding-bottom: 30px; border-bottom: 1px solid var(--border); }
.legal-head h1 { margin: 18px 0 8px; font-size: clamp(42px, 7vw, 68px); line-height: 1.08; letter-spacing: -.055em; }
.legal-head p { margin: 0; color: var(--muted); font-size: 13px; }
.legal-content { padding-top: 35px; }
.legal-content h2 { margin: 42px 0 10px; font-size: 24px; line-height: 1.35; }
.legal-content h2:first-child { margin-top: 0; }
.legal-content p, .legal-content li { color: #6f5b66; font-size: 16px; line-height: 2; }
.legal-content a { color: var(--coral-dark); text-decoration: underline; text-underline-offset: 3px; }
.support-grid { margin-top: 35px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; }
.support-card { min-height: 170px; padding: 27px; border: 1px solid var(--border); border-radius: 26px; background: white; }
.support-card span { font-size: 25px; }
.support-card h2 { margin: 13px 0 5px; font-size: 20px; }
.support-card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.75; }

@media (max-width: 900px) {
  .site-header { height: 68px; padding: 10px 18px; }
  nav { position: absolute; left: 14px; right: 14px; top: 64px; padding: 18px; display: none; flex-direction: column; align-items: stretch; gap: 14px; border: 1px solid var(--border); border-radius: 22px; background: rgba(255,250,242,.98); box-shadow: var(--shadow); }
  nav.open { display: flex; }
  .menu-button { display: block; }
  .hero { padding-top: 50px; grid-template-columns: 1fr; gap: 40px; }
  .hero-copy { text-align: center; }
  .hero-lede { margin-left: auto; margin-right: auto; }
  .hero-actions, .trust-list { justify-content: center; }
  .hero-visual { min-height: 640px; }
  .manifesto { gap: 25px; overflow: hidden; }
  .manifesto p { white-space: nowrap; }
  .manifesto p:last-child { display: none; }
  .mode-story { grid-template-columns: 1fr; }
  .privacy-section { grid-template-columns: 70px 1fr; }
  .privacy-points { grid-column: 1 / -1; }
  .text-link.light { grid-column: 2; }
}

@media (max-width: 640px) {
  .brand img { width: 48px; height: 48px; border-radius: 17px; }
  .brand small { font-size: 10px; }
  .hero { min-height: auto; padding: 44px 18px 65px; overflow: visible; }
  .hero h1 { margin-top: 18px; font-size: clamp(49px, 15vw, 68px); }
  .hero-lede { font-size: 16px; line-height: 1.75; }
  .hero-actions { display: grid; }
  .button { width: 100%; }
  .trust-list { display: grid; justify-content: start; text-align: left; }
  .hero-visual { min-height: 590px; margin-top: 5px; }
  .hero-visual::before { inset: 60px -15px 20px; }
  .phone { width: 290px; min-height: 566px; transform: rotate(1.5deg) scale(.94); }
  .mascot { width: 175px; right: -12px; bottom: -2px; }
  .taotao-bubble { left: -2px; top: 84px; width: 153px; padding: 12px 14px; }
  .taotao-bubble strong { font-size: 12px; }
  .taotao-bubble span { font-size: 10px; }
  .mode-switch { top: 0; }
  .orbit-one { width: 360px; height: 360px; right: -45px; top: 130px; }
  .orbit-two { width: 260px; height: 260px; right: 5px; top: 180px; }
  .manifesto { justify-content: flex-start; padding-left: 35px; transform: rotate(-1deg) scale(1.03); }
  .manifesto p:nth-child(2) { display: none; }
  .section { padding: 85px 18px; }
  .section h2 { font-size: 42px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: 300px; padding: 28px; }
  .feature-card small { left: 28px; }
  .mode-story { gap: 35px; }
  .mode-cards { min-height: 535px; }
  .mode-cards article { width: 82%; padding: 27px; }
  .privacy-section { padding: 78px 18px; display: block; }
  .privacy-mark { margin-bottom: 35px; }
  .privacy-points { margin-top: 38px; }
  .privacy-points p { grid-template-columns: 1fr; gap: 5px; }
  .text-link.light { margin-top: 28px; }
  .beta { grid-template-columns: 1fr; text-align: center; }
  .beta img { width: 180px; margin: 0 auto -25px; }
  .beta-actions { justify-content: center; }
  footer { grid-template-columns: 1fr; }
  .footer-links { flex-wrap: wrap; }
  .support-grid { grid-template-columns: 1fr; }
  .legal-main { padding: 55px 20px 80px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}