/* 此地时光官网 - 白底+黑灰主色+ABD5FF/FFF8AB点缀 */
:root {
  --blue: #ABD5FF; --blue-dark: #78BCFF; --blue-bg: rgba(171,213,255,0.1);
  --yellow: #FFF8AB; --yellow-bg: rgba(255,248,171,0.2);
  --black: #1A1A2E; --gray-800: #2D2D44; --gray-600: #555; --gray-400: #999;
  --gray-200: #E8E8EE; --gray-100: #F5F5F8; --white: #FFF;
  --radius: 16px; --radius-sm: 10px;
  --font: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Helvetica Neue', sans-serif;
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{font-family:var(--font);color:var(--black);background:var(--white);line-height:1.6;overflow-x:hidden}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;cursor:pointer;border:1.5px solid transparent;transition:all .25s ease;font-family:var(--font)}
.btn-icon{width:20px;height:20px}
.btn--primary{background:var(--black);color:var(--white);border-color:var(--black)}
.btn--primary:hover{background:var(--gray-800);transform:translateY(-2px);box-shadow:0 6px 20px rgba(26,26,46,.15)}
.btn--outline{background:transparent;color:var(--black);border-color:var(--gray-200)}
.btn--outline:hover{border-color:var(--blue);color:var(--blue-dark);transform:translateY(-2px);box-shadow:0 6px 20px rgba(171,213,255,.2)}
.btn:active{transform:scale(.97)}
.btn--large{padding:16px 36px;font-size:16px}

/* ===== 入口动画遮罩 ===== */
.entry-overlay{
  position:fixed;inset:0;z-index:999;
  background:var(--white);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  transition:opacity .8s ease,visibility .8s ease;
}
.entry-overlay.hidden{opacity:0;visibility:hidden;pointer-events:none}

/* 时光粒子 */
.entry-particles{
  position:absolute;inset:0;overflow:hidden;
}
.entry-particles::before{
  content:'';position:absolute;width:100%;height:100%;
  background-image:radial-gradient(circle,var(--blue) 1px,transparent 1px);
  background-size:40px 40px;
  animation:particleDrift 6s ease-out forwards;
  opacity:0;
}
@keyframes particleDrift{
  0%{opacity:0;transform:translateY(30px) scale(.8)}
  30%{opacity:.6;transform:translateY(0) scale(1)}
  100%{opacity:0;transform:translateY(-40px) scale(.9)}
}
.entry-particles::after{
  content:'';position:absolute;width:100%;height:100%;
  background-image:radial-gradient(circle,var(--yellow) 1.5px,transparent 1.5px);
  background-size:60px 60px;background-position:30px 30px;
  animation:particleDrift2 8s ease-out forwards;
  opacity:0;
}
@keyframes particleDrift2{
  0%{opacity:0;transform:translateY(40px) scale(.8)}
  25%{opacity:.4;transform:translateY(10px) scale(1)}
  100%{opacity:0;transform:translateY(-30px) scale(.9)}
}

/* 入口主文字 */
.entry-text{
  position:relative;z-index:1;
  font-size:42px;font-weight:800;letter-spacing:6px;
  color:var(--black);
  height:56px;
  overflow:hidden;
  white-space:nowrap;
  border-right:3px solid var(--blue);
  animation:typeIn 2.5s steps(11) forwards,blinkCaret .8s step-end 3;
  width:0;
  text-align:center;
}
@keyframes typeIn{
  to{width:13em}
}
@keyframes blinkCaret{
  50%{border-color:transparent}
}

/* 入口副标题 */
.entry-sub{
  position:relative;z-index:1;
  margin-top:16px;
  font-size:16px;letter-spacing:8px;color:var(--gray-400);
  opacity:0;
  animation:fadeUp .6s ease 2.8s forwards;
}
@keyframes fadeUp{
  to{opacity:1;transform:translateY(0)}
  from{opacity:0;transform:translateY(10px)}
}

/* ===== 导航栏 ===== */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.85);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--gray-200);transition:transform .3s ease}
.nav-inner{max-width:1100px;margin:0 auto;padding:0 24px;height:56px;display:flex;align-items:center;justify-content:space-between}
.nav-logo{font-weight:700;font-size:17px;letter-spacing:1px}
.nav-links{display:flex;gap:24px}
.nav-link{font-size:14px;color:var(--gray-600);text-decoration:none;transition:color .2s}
.nav-link:hover{color:var(--blue-dark)}

/* ===== Hero ===== */
.hero{min-height:100vh;display:flex;flex-direction:column;position:relative;background:var(--white);overflow:hidden;padding-top:56px}
.hero-bg{position:absolute;inset:0;pointer-events:none}
.hero-bg-circle{position:absolute;border-radius:50%;filter:blur(100px);opacity:.3}
.hero-bg-circle--1{width:500px;height:500px;background:var(--blue);top:-150px;right:-100px;animation:float 18s ease-in-out infinite}
.hero-bg-circle--2{width:400px;height:400px;background:var(--yellow);bottom:-100px;left:-80px;animation:float 22s ease-in-out infinite reverse}
@keyframes float{0%,100%{transform:translate(0,0) scale(1)}33%{transform:translate(30px,-30px) scale(1.05)}66%{transform:translate(-20px,20px) scale(.95)}}

.hero-body{flex:1;display:flex;align-items:center;justify-content:center;max-width:1000px;margin:0 auto;padding:40px 24px;gap:60px}
.hero-left{text-align:center;max-width:420px}
.hero-icon-wrapper{width:80px;height:80px;margin:0 auto 16px;border-radius:20px;overflow:hidden;box-shadow:0 8px 30px rgba(171,213,255,.3);animation:iconFloat 4s ease-in-out infinite}
@keyframes iconFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}
.hero-icon{width:100%;height:100%;object-fit:cover;display:block}
.hero-title{font-size:48px;font-weight:800;letter-spacing:4px;margin-bottom:2px}
.hero-subtitle{font-size:14px;color:var(--gray-400);letter-spacing:6px;text-transform:uppercase;margin-bottom:16px}
.hero-slogan{font-size:18px;color:var(--gray-600);line-height:1.7;margin-bottom:32px;letter-spacing:1px}
.hero-buttons{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.hero-hint{margin-top:12px;font-size:13px;color:var(--gray-400);min-height:20px}
/* "查看二维码"按钮：只用颜色区分，无边框，点击滚动到页面底部二维码区域 */
.hero-hint-link{color:var(--blue-dark);font-weight:600;cursor:pointer;text-decoration:none;margin-left:4px;transition:color .2s}
.hero-hint-link:hover{color:#4F9BE0}
.hero-right{flex-shrink:0}

/* ===== 手机模型 - Hero ===== */
.phone-mockup--hero{width:300px;height:580px;background:var(--black);border-radius:40px;padding:12px;position:relative;box-shadow:0 25px 70px rgba(0,0,0,.12),0 0 0 1px rgba(0,0,0,.06)}
.phone-notch{width:120px;height:28px;background:var(--black);border-radius:0 0 16px 16px;margin:0 auto;position:relative;z-index:2}
.phone-screen{width:100%;height:calc(100% - 24px);background:#F8F9FC;border-radius:28px;margin-top:-14px;padding:28px 16px 16px;display:flex;flex-direction:column;align-items:center;gap:12px;overflow:hidden}

.mockup-header{width:100%;display:flex;align-items:center;gap:8px;padding-bottom:8px;border-bottom:1px solid var(--gray-200)}
.mockup-dot{width:8px;height:8px;border-radius:50%;background:var(--blue)}
.mockup-title{font-size:14px;font-weight:600;color:var(--black)}
.mockup-map-area{width:100%;height:200px;background:linear-gradient(135deg,var(--blue-bg),var(--yellow-bg));border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center}
.mockup-pin{width:32px;height:32px;background:var(--blue-dark);border-radius:50% 50% 50% 0;transform:rotate(-45deg);box-shadow:0 2px 8px rgba(120,188,255,.4);position:relative}
.mockup-pin::after{content:'';position:absolute;width:12px;height:12px;background:white;border-radius:50%;top:50%;left:50%;transform:translate(-50%,-50%)}
.mockup-info-card{width:100%;padding:14px;background:white;border-radius:var(--radius-sm);box-shadow:0 2px 8px rgba(0,0,0,.04);display:flex;flex-direction:column;gap:8px}
.mockup-info-line{height:10px;background:var(--gray-200);border-radius:4px;width:100%}
.mockup-info-line.short{width:60%}
.mockup-action-btn{width:100%;padding:12px;background:var(--black);color:white;text-align:center;border-radius:var(--radius-sm);font-size:14px;font-weight:600}

/* ===== 手机模型 - 轮播用（小号） ===== */
.phone-mockup--slide{width:230px;height:450px;border-radius:32px;padding:10px;box-shadow:0 12px 40px rgba(0,0,0,.1),0 0 0 1px rgba(0,0,0,.04)}
.phone-mockup--slide .phone-notch{width:90px;height:22px}
.phone-mockup--slide .phone-screen{border-radius:22px;padding:20px 10px 10px;gap:10px}

/* 编辑器占位 */
.mockup-editor{width:100%;display:flex;flex-direction:column;gap:6px}
.mockup-editor-line{height:10px;background:var(--gray-200);border-radius:4px}
.w80{width:80%}.w60{width:60%}.w40{width:40%}
.mockup-media-row{display:flex;gap:6px;width:100%}
.mockup-media-block{flex:1;height:50px;background:var(--gray-200);border-radius:6px}
.mockup-tag{padding:3px 10px;border-radius:20px;font-size:11px;font-weight:600}
.blue-tag{background:var(--blue-bg);color:var(--blue-dark)}
.yellow-tag{background:var(--yellow-bg);color:#B89A20}

/* Tab占位 */
.mockup-tab-bar{display:flex;gap:4px;width:100%}
.mockup-tab{flex:1;text-align:center;font-size:10px;padding:4px 0;border-radius:5px;color:var(--gray-400);background:var(--gray-100)}
.mockup-tab.active{background:var(--blue-bg);color:var(--blue-dark);font-weight:600}
.mockup-card-list{width:100%;display:flex;flex-direction:column;gap:6px}
.mockup-list-card{padding:8px;background:white;border-radius:6px;display:flex;flex-direction:column;gap:5px}
.ml-line{height:7px;background:var(--gray-200);border-radius:3px}
.ml-line.short{width:50%}

/* 秘语占位 */
.mockup-secret-card{width:100%;padding:14px 10px;background:white;border-radius:var(--radius-sm);font-size:12px;text-align:center;box-shadow:0 1px 4px rgba(0,0,0,.04)}
.mockup-input-line{width:100%;padding:10px;border:1.5px solid var(--blue);border-radius:var(--radius-sm)}
.mockup-blink{display:inline-block;width:2px;height:16px;background:var(--blue);animation:blink 1s step-end infinite}
@keyframes blink{50%{opacity:0}}
.mockup-secret-btn{width:100%;padding:10px;background:linear-gradient(135deg,var(--blue),var(--blue-dark));color:white;text-align:center;border-radius:var(--radius-sm);font-size:13px;font-weight:600}
.mockup-secret-note{font-size:10px;color:var(--gray-400)}

/* 胶囊占位 */
.mockup-capsule-emoji{font-size:36px;margin:12px 0}
.mockup-digit-row{display:flex;gap:8px}
.mockup-digit{width:36px;height:42px;border:1.5px solid var(--gray-200);border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--gray-400)}
.mockup-unlock-btn{width:100%;padding:10px;background:var(--black);color:white;text-align:center;border-radius:var(--radius-sm);font-size:13px;font-weight:600}

/* 滚动引导 */
.scroll-hint{position:absolute;bottom:32px;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:6px;color:var(--gray-400);font-size:12px;cursor:pointer;transition:opacity .3s;letter-spacing:2px}
.scroll-hint:hover{opacity:.6}
.scroll-arrow{width:18px;height:18px;animation:bounce 2s infinite}
@keyframes bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(6px)}}

/* ===== 公共section头部 ===== */
.section-label{display:inline-block;font-size:12px;font-weight:700;letter-spacing:3px;color:var(--blue-dark);margin-bottom:8px}
.section-title{font-size:32px;font-weight:800;letter-spacing:2px}

/* ===== ④ 功能轮播 ===== */
.carousel-section{padding:100px 24px;background:var(--white)}
.carousel-header{text-align:center;margin-bottom:48px}

.carousel-wrap{display:flex;align-items:center;justify-content:center;gap:16px;max-width:1000px;margin:0 auto}
.carousel-track-wrap{overflow:hidden;flex:1;max-width:880px}
.carousel-track{display:flex;transition:transform .5s cubic-bezier(.4,0,.2,1)}
.carousel-slide{min-width:100%;display:flex;align-items:center;gap:60px;padding:0 20px}

.slide-visual{flex-shrink:0}
.slide-text{flex:1;max-width:400px}
.slide-number{font-size:13px;font-weight:700;letter-spacing:2px;color:var(--blue-dark);display:block;margin-bottom:8px}
.slide-title{font-size:28px;font-weight:800;letter-spacing:1px;margin-bottom:12px}
.slide-desc{font-size:15px;color:var(--gray-600);line-height:1.8;margin-bottom:12px}
.slide-detail{font-size:13px;color:var(--gray-400);line-height:1.8}

/* 轮播箭头 */
.carousel-arrow{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--gray-200);
  background:var(--white);cursor:pointer;display:flex;align-items:center;justify-content:center;
  flex-shrink:0;transition:all .25s ease;
}
.carousel-arrow:hover{border-color:var(--blue);background:var(--blue-bg)}
.carousel-arrow svg{width:20px;height:20px;color:var(--gray-600)}
.carousel-arrow:hover svg{color:var(--blue-dark)}

/* 轮播指示器 */
.carousel-dots{display:flex;justify-content:center;gap:8px;margin-top:32px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--gray-200);cursor:pointer;transition:all .3s ease}
.dot.active{width:24px;border-radius:4px;background:var(--blue-dark)}

/* 轮播中间CTA */
.carousel-cta{display:flex;gap:12px;justify-content:center;margin-top:48px;flex-wrap:wrap}

/* ===== ⑤ 情感故事区 ===== */
.stories-section{padding:100px 0;background:var(--gray-100);overflow:hidden}
.stories-header{text-align:center;padding:0 24px;margin-bottom:48px}
.stories-header .section-desc{font-size:15px;color:var(--gray-600);margin-top:8px;letter-spacing:.5px}

.stories-scroll{overflow:hidden;padding:0 24px}
.stories-track{display:flex;gap:20px;transition:transform .5s cubic-bezier(.4,0,.2,1);cursor:grab}
.stories-track:active{cursor:grabbing}

.story-card{
  min-width:320px;max-width:360px;
  border-radius:var(--radius);overflow:hidden;
  background:var(--white);border:1px solid var(--gray-200);
  transition:all .3s ease;flex-shrink:0;
  position:relative;
}
.story-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(0,0,0,.06)}

.story-card-bg{
  height:4px;background:linear-gradient(90deg,var(--blue),var(--yellow));
}
.story-card-content{padding:28px 24px}
.story-text{font-size:15px;color:var(--gray-600);line-height:1.9;letter-spacing:.3px;margin-bottom:16px}
.story-author{font-size:12px;color:var(--gray-400);letter-spacing:.5px}

.stories-controls{display:flex;justify-content:center;gap:12px;margin-top:32px;padding:0 24px}
.stories-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--gray-200);
  background:var(--white);cursor:pointer;display:flex;align-items:center;justify-content:center;
  transition:all .25s ease;
}
.stories-btn:hover{border-color:var(--blue);background:var(--blue-bg)}
.stories-btn svg{width:20px;height:20px;color:var(--gray-600)}
.stories-btn:hover svg{color:var(--blue-dark)}

/* ===== ⑥ 更多功能网格 ===== */
.grid-section{padding:100px 24px;background:var(--white)}
.grid-inner{max-width:1100px;margin:0 auto}
.grid-section .section-header{text-align:center;margin-bottom:48px}

.grid-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.grid-card{padding:28px 20px;border-radius:var(--radius);border:1px solid var(--gray-200);background:var(--white);transition:all .3s ease}
.grid-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(0,0,0,.06);border-color:var(--blue)}
.grid-card-icon{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.grid-card-icon svg{width:22px;height:22px}
.grid-card h3{font-size:16px;font-weight:700;margin-bottom:8px;letter-spacing:.5px}
.grid-card p{font-size:13px;color:var(--gray-600);line-height:1.7}

/* ===== ⑦ 底部CTA ===== */
.cta-final{background:var(--black);color:var(--white);padding:80px 24px;text-align:center}
.cta-final-inner{max-width:500px;margin:0 auto}
.cta-final-title{font-size:32px;font-weight:800;letter-spacing:2px;margin-bottom:12px}
.cta-final-desc{font-size:15px;color:rgba(255,255,255,.6);margin-bottom:28px}
.cta-final-buttons{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.cta-final .btn--outline{color:var(--white);border-color:rgba(255,255,255,.25)}
.cta-final .btn--outline:hover{border-color:var(--blue);color:var(--blue)}

.qrcode-wrap{display:none;margin-top:32px}
.qrcode-wrap.visible{display:block}
.qrcode-hint{font-size:13px;color:rgba(255,255,255,.5);margin-bottom:16px;letter-spacing:1px}
.qrcode-row{display:flex;gap:32px;justify-content:center}
.qrcode-item{display:flex;flex-direction:column;align-items:center;gap:8px}
.qrcode-placeholder{width:200px;height:200px;border-radius:var(--radius-sm);background:var(--white);display:flex;align-items:center;justify-content:center;padding:12px}
.qrcode-placeholder svg{width:100%;height:100%;opacity:.5}
/* 真实二维码图片（安卓/iOS 各一张） */
.qrcode-img{width:100%;height:100%;object-fit:contain}
.qrcode-item span{font-size:12px;color:rgba(255,255,255,.5);letter-spacing:1px}

.version-info{margin-top:20px;font-size:13px;color:rgba(255,255,255,.4);letter-spacing:1px}
.version-divider{margin:0 12px;opacity:.3}

/* ===== ⑧ 页脚 ===== */
.footer{background:var(--gray-100);padding:40px 24px;text-align:center}
.footer-inner{max-width:500px;margin:0 auto}
.footer-links{display:flex;justify-content:center;gap:28px;margin-bottom:16px;flex-wrap:wrap}
.footer-links a{color:var(--gray-400);text-decoration:none;font-size:13px;transition:color .2s}
.footer-links a:hover{color:var(--blue-dark)}
.footer p{font-size:12px;color:var(--gray-400);letter-spacing:1px}
/* 页脚备案号样式（第二行） */
.footer .footer-beian{margin-top:6px;font-size:12px;letter-spacing:0}
.footer .beian-link{color:var(--gray-400);text-decoration:none;transition:color .2s}
.footer .beian-link:hover{color:var(--blue-dark)}
.footer .police-badge-icon{width:14px;height:14px;vertical-align:middle;margin-right:4px;display:inline-block}
.footer .beian-sep{margin:0 12px}

/* ===== Toast ===== */
.toast{position:fixed;bottom:32px;left:50%;transform:translateX(-50%) translateY(80px);opacity:0;transition:all .35s ease;z-index:999;pointer-events:none}
.toast.visible{transform:translateX(-50%) translateY(0);opacity:1}
.toast-content{padding:12px 24px;border-radius:var(--radius-sm);background:var(--black);color:var(--white);font-size:14px;box-shadow:0 8px 28px rgba(0,0,0,.15)}

/* ===== 滚动渐入 ===== */
.carousel-section,.stories-section,.grid-section,.cta-final{
  opacity:0;transform:translateY(40px);transition:opacity .7s ease,transform .7s ease
}
.carousel-section.visible,.stories-section.visible,.grid-section.visible,.cta-final.visible{
  opacity:1;transform:translateY(0)
}

/* ===== 响应式 ===== */
@media(max-width:900px){
  .hero-body{flex-direction:column;gap:40px;padding-top:20px}
  .hero-right{display:none}
  .hero-title{font-size:36px}
  .hero-slogan{font-size:16px}
  .carousel-slide{flex-direction:column;text-align:center;gap:32px}
  .slide-text{max-width:100%}
  .slide-visual{order:-1}
  .slide-number{text-align:center}
  .carousel-arrow{width:32px;height:32px}
  .carousel-arrow svg{width:16px;height:16px}
  .grid-cards{grid-template-columns:repeat(2,1fr)}
  .phone-mockup--slide{width:200px;height:390px}
  .entry-text{font-size:28px;height:40px}
}
@media(max-width:480px){
  .hero-title{font-size:30px;letter-spacing:2px}
  .hero-slogan{font-size:15px}
  .hero-buttons,.cta-final-buttons,.carousel-cta{flex-direction:column;align-items:center}
  .btn{width:100%;max-width:260px;justify-content:center}
  .carousel-section,.grid-section{padding:60px 20px}
  .stories-section{padding:60px 0}
  .section-title{font-size:24px}
  .slide-title{font-size:22px}
  .grid-cards{grid-template-columns:1fr}
  .phone-mockup--slide{width:180px;height:350px}
  .entry-text{font-size:22px;letter-spacing:3px;height:32px}
  .entry-sub{font-size:14px}
  .story-card{min-width:260px}
  .cta-final{padding:60px 20px}
  .cta-final-title{font-size:26px}
  .qrcode-row{gap:20px}
  .qrcode-placeholder{width:150px;height:150px}
}
.result--enter{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease}
.result--enter.visible{opacity:1;transform:translateY(0)}