/* roulang page: index */
/* ========== 设计变量 ========== */
:root{
  --pri:#8A3B2C;              /* 陈年普洱赤褐 */
  --sec:#B98A44;              /* 古铜金 */
  --dark:#131110;             /* 曜石黑褐 */
  --dark-2:#1D1A17;           /* 深褐 */
  --card-bg:rgba(34,30,26,0.88);
  --light:#EDE5D8;            /* 羊皮纸白 */
  --muted:#A99E8F;            /* 弱化文字 */
  --border:rgba(185,138,68,0.22);
  --radius-sm:6px;
  --radius:8px;
  --radius-lg:12px;
  --shadow:0 8px 30px rgba(0,0,0,0.45);
  --shadow-lg:0 18px 40px rgba(0,0,0,0.6);
  --gradient:linear-gradient(135deg,#8A3B2C,#B98A44);
  --font-title:'Noto Serif SC','Source Han Serif SC','STSong',serif;
  --font-body:'Noto Sans SC','Source Han Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
}

/* ========== 基础 Reset ========== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;scroll-padding-top:90px;}
body{
  font-family:var(--font-body);
  background:var(--dark);
  color:var(--light);
  line-height:1.9;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{text-decoration:none;color:inherit;transition:color .3s ease;}
button{cursor:pointer;border:none;background:none;font-family:inherit;}
input,select,textarea{font-family:inherit;font-size:1rem;}
ul,ol{list-style:none;}

/* ========== 容器 ========== */
.container{max-width:1280px;margin:0 auto;padding:0 24px;}
.section{padding:clamp(4rem,8vw,7rem) 0;position:relative;}

/* ========== 板块标题 ========== */
.section-head{margin-bottom:48px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:0.8rem;letter-spacing:0.12em;color:var(--sec);
  text-transform:uppercase;margin-bottom:12px;
}
.eyebrow::before{
  content:'';width:24px;height:1px;background:var(--sec);
}
.h2-title{
  font-family:var(--font-title);
  font-size:clamp(1.4rem,3vw,2.2rem);
  font-weight:700;line-height:1.3;color:var(--light);
  padding-left:18px;position:relative;margin-bottom:16px;
}
.h2-title::before{
  content:'';position:absolute;left:0;top:10%;height:80%;width:3px;background:var(--sec);
}
.section-desc{
  color:var(--muted);font-size:0.95rem;max-width:560px;line-height:1.9;
}

/* ========== 导航 ========== */
.header{
  position:fixed;top:12px;left:50%;transform:translateX(-50%);
  width:92%;max-width:1200px;z-index:1000;
  background:rgba(20,18,16,0.8);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1px solid rgba(185,138,68,0.3);
  border-radius:60px;
  padding:10px 24px;
  display:flex;align-items:center;justify-content:space-between;
  transition:background .3s,box-shadow .3s;
}
.header.scrolled{
  background:rgba(20,18,16,0.95);
  box-shadow:0 10px 30px rgba(0,0,0,0.55);
}
.logo{
  display:flex;align-items:center;gap:10px;flex-shrink:0;
}
.logo-icon{
  width:40px;height:40px;border-radius:50%;
  background:var(--gradient);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-title);font-weight:700;font-size:1rem;
  color:#131110;flex-shrink:0;
}
.logo-text{
  font-family:var(--font-title);font-size:0.95rem;font-weight:700;
  color:var(--light);line-height:1.3;
}
.logo-text span{color:var(--sec);}
.nav-links{
  display:flex;align-items:center;gap:26px;
}
.nav-links a{
  font-size:0.88rem;color:var(--muted);padding:4px 0;
  position:relative;white-space:nowrap;
}
.nav-links a::after{
  content:'';position:absolute;left:0;bottom:-2px;width:0;height:1px;
  background:var(--sec);transition:width .3s;
}
.nav-links a:hover,.nav-links a.active{color:var(--sec);}
.nav-links a:hover::after,.nav-links a.active::after{width:100%;}
.nav-cta{
  display:inline-block;flex-shrink:0;
  background:var(--gradient);color:#131110;
  font-size:0.85rem;font-weight:600;
  padding:8px 22px;border-radius:40px;
  transition:filter .3s,box-shadow .3s;
}
.nav-cta:hover{filter:brightness(1.15);box-shadow:0 0 20px rgba(185,138,68,0.4);}
.nav-cta:focus{outline:2px solid var(--sec);outline-offset:2px;}
.hamburger{
  display:none;flex-direction:column;gap:5px;padding:8px;border-radius:8px;
}
.hamburger span{
  width:22px;height:2px;background:var(--sec);border-radius:2px;transition:all .3s;
}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hamburger.open span:nth-child(2){opacity:0;}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ========== Hero ========== */
.hero{
  min-height:100vh;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(rgba(19,17,16,0.82),rgba(19,17,16,0.92)),
             url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
  padding:140px 0 100px;position:relative;overflow:hidden;
}
.hero-inner{
  text-align:center;max-width:920px;margin:0 auto;position:relative;z-index:2;
}
.hero-eyebrow{
  display:inline-block;font-size:0.85rem;letter-spacing:0.18em;
  color:var(--sec);border:1px solid rgba(185,138,68,0.4);
  padding:6px 20px;border-radius:40px;margin-bottom:24px;
  background:rgba(19,17,16,0.5);
}
.hero-title{
  font-family:var(--font-title);
  font-size:clamp(2rem,5vw,3.5rem);
  font-weight:700;line-height:1.2;color:var(--light);
  margin-bottom:20px;text-shadow:0 4px 30px rgba(0,0,0,0.5);
}
.hero-title em{
  font-style:normal;color:var(--sec);
  background:linear-gradient(135deg,#B98A44,#EDE5D8);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
}
.hero-subtitle{
  font-size:1.05rem;color:var(--muted);max-width:680px;margin:0 auto 32px;
  line-height:1.9;
}
.hero-search{
  max-width:580px;margin:0 auto 20px;display:flex;gap:0;
  background:rgba(19,17,16,0.6);
  border:1px solid rgba(185,138,68,0.35);
  border-radius:50px;padding:6px;backdrop-filter:blur(6px);
  transition:border-color .3s,box-shadow .3s;
}
.hero-search:focus-within{
  border-color:var(--sec);box-shadow:0 0 0 3px rgba(185,138,68,0.2);
}
.hero-search input{
  flex:1;background:transparent;border:none;outline:none;
  color:var(--light);padding:10px 18px;font-size:0.95rem;min-width:0;
}
.hero-search input::placeholder{color:var(--muted);}
.hero-search button{
  flex-shrink:0;background:var(--gradient);color:#131110;
  font-size:0.9rem;font-weight:600;padding:10px 24px;border-radius:40px;
  transition:filter .3s;
}
.hero-search button:hover{filter:brightness(1.15);}
.hero-tags{
  display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;
  margin-bottom:32px;
}
.hot-label{font-size:0.82rem;color:var(--muted);}
.tag{
  font-size:0.8rem;color:var(--muted);
  border:1px solid rgba(185,138,68,0.25);
  padding:4px 14px;border-radius:20px;
  background:rgba(19,17,16,0.4);transition:all .3s;
}
.tag:hover{color:var(--sec);border-color:var(--sec);background:rgba(185,138,68,0.1);}
.hero-ctas{
  display:flex;justify-content:center;gap:16px;flex-wrap:wrap;margin-bottom:32px;
}
.btn-primary{
  display:inline-block;background:var(--gradient);color:#131110;
  font-size:0.95rem;font-weight:600;padding:14px 36px;border-radius:40px;
  transition:filter .3s,box-shadow .3s,transform .3s;
}
.btn-primary:hover{filter:brightness(1.15);box-shadow:0 0 25px rgba(185,138,68,0.4);transform:translateY(-2px);}
.btn-primary:focus{outline:2px solid var(--sec);outline-offset:3px;}
.btn-secondary{
  display:inline-block;background:transparent;color:var(--sec);
  font-size:0.95rem;font-weight:500;padding:14px 36px;border-radius:40px;
  border:1px solid var(--sec);transition:all .3s;
}
.btn-secondary:hover{background:rgba(185,138,68,0.15);transform:translateY(-2px);}
.btn-secondary:focus{outline:2px solid var(--sec);outline-offset:3px;}
.hero-badges{
  display:flex;justify-content:center;gap:16px;flex-wrap:wrap;
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:0.82rem;color:var(--light);
  background:rgba(19,17,16,0.6);
  border:1px solid rgba(185,138,68,0.25);
  padding:6px 16px;border-radius:20px;
}
.badge::before{content:'✓';color:var(--sec);font-weight:700;}
.hero-visual{
  position:absolute;right:-40px;bottom:-30px;width:320px;height:auto;
  transform:rotate(3deg);border-radius:12px;
  box-shadow:-20px 20px 60px rgba(0,0,0,0.6),0 0 0 1px rgba(185,138,68,0.3);
  animation:float 6s ease-in-out infinite;z-index:1;opacity:0.9;
}
.hero-visual img{
  width:100%;height:220px;object-fit:cover;border-radius:12px;
}
@keyframes float{
  0%,100%{transform:rotate(3deg) translateY(0);}
  50%{transform:rotate(3deg) translateY(-12px);}
}

/* ========== 口碑数据条 ========== */
.stats-bar{
  background:rgba(29,26,23,0.92);
  border-top:1px solid rgba(185,138,68,0.15);
  border-bottom:1px solid rgba(185,138,68,0.15);
  padding:36px 0;
}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.stat-item{text-align:center;position:relative;padding:0 16px;}
.stat-item:not(:last-child)::after{
  content:'';position:absolute;right:0;top:20%;height:60%;width:1px;
  background:rgba(185,138,68,0.25);
}
.stat-number{
  font-family:var(--font-title);font-size:2.4rem;font-weight:700;
  color:var(--sec);line-height:1.2;
}
.stat-label{
  font-size:0.85rem;color:var(--muted);margin-top:4px;
}

/* ========== 功能分组 ========== */
.dimensions{
  background:var(--dark-2);
  background-image:radial-gradient(rgba(185,138,68,0.04) 1px,transparent 1px);
  background-size:24px 24px;
}
.dim-grid .card{
  background:var(--card-bg);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:32px;position:relative;height:100%;
  transition:transform .3s,border-color .3s,box-shadow .3s;
  backdrop-filter:blur(6px);
  overflow:hidden;
}
.dim-grid .card:hover{
  transform:translateY(-6px);
  border-color:rgba(185,138,68,0.6);
  box-shadow:var(--shadow-lg),0 0 20px rgba(185,138,68,0.08);
}
.card-num{
  position:absolute;top:16px;right:20px;
  font-family:var(--font-title);font-size:2rem;font-weight:700;
  color:rgba(185,138,68,0.3);line-height:1;
}
.card-icon{
  width:48px;height:48px;border-radius:50%;
  border:1px solid rgba(185,138,68,0.4);
  display:flex;align-items:center;justify-content:center;
  font-size:1.2rem;color:var(--sec);margin-bottom:20px;
  background:rgba(185,138,68,0.1);
}
.card h3{
  font-family:var(--font-title);font-size:1.2rem;font-weight:600;
  color:var(--light);margin-bottom:12px;
}
.card p{
  font-size:0.9rem;color:var(--muted);line-height:1.8;margin-bottom:16px;
}
.card-link{
  font-size:0.85rem;color:var(--sec);display:inline-flex;align-items:center;gap:4px;
  transition:gap .3s;
}
.card-link:hover{gap:8px;color:var(--light);}
.card-link::after{content:'→';}
.big-card{padding:36px !important;}
.big-card .card-icon{width:56px;height:56px;font-size:1.4rem;}
.big-card p{font-size:0.95rem !important;}
.vertical-card{display:flex;flex-direction:column;}
.vertical-card .card-icon{margin-bottom:auto;}
.narrow-card{
  background:linear-gradient(135deg,rgba(34,30,26,0.95),rgba(29,26,23,0.95)) !important;
  border-left:3px solid var(--sec) !important;
}

/* ========== 使用场景 ========== */
.scenes{background:var(--dark);}
.scenes-left{position:sticky;top:100px;}
.scenes-list{margin-top:0;}
.scene-item{
  display:flex;align-items:center;gap:24px;padding:24px 0;
  border-bottom:1px solid rgba(185,138,68,0.2);
  transition:background .3s;
}
.scene-item:first-child{border-top:1px solid rgba(185,138,68,0.2);}
.scene-item:hover{background:rgba(185,138,68,0.04);}
.scene-num{
  font-family:var(--font-title);font-size:1.3rem;font-weight:700;
  color:var(--muted);width:48px;flex-shrink:0;transition:color .3s;
}
.scene-item:hover .scene-num{color:var(--sec);}
.scene-info{flex:1;min-width:0;}
.scene-info h3{
  font-family:var(--font-title);font-size:1.15rem;font-weight:600;
  color:var(--light);margin-bottom:6px;
}
.scene-info p{
  font-size:0.88rem;color:var(--muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.scene-thumb{
  width:160px;height:100px;flex-shrink:0;border-radius:var(--radius-sm);
  object-fit:cover;transition:transform .4s;
}
.scene-item:hover .scene-thumb{transform:scale(1.04);}

/* ========== 成功案例 ========== */
.cases{
  background:var(--dark-2);
  background-image:radial-gradient(rgba(185,138,68,0.03) 1px,transparent 1px);
  background-size:20px 20px;
}
.case-scroll{
  display:flex;gap:20px;overflow-x:auto;padding-bottom:16px;
  scrollbar-width:thin;scrollbar-color:var(--sec) transparent;
}
.case-scroll::-webkit-scrollbar{height:4px;}
.case-scroll::-webkit-scrollbar-track{background:rgba(185,138,68,0.1);border-radius:4px;}
.case-scroll::-webkit-scrollbar-thumb{background:var(--sec);border-radius:4px;}
.case-card{
  min-width:min(320px,85vw);flex-shrink:0;
  background:var(--card-bg);
  border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;transition:transform .3s,box-shadow .3s,border-color .3s;
  display:flex;flex-direction:column;
}
.case-card:hover{
  transform:translateY(-6px);box-shadow:var(--shadow-lg);
  border-color:rgba(185,138,68,0.6);
}
.case-card.featured{
  border-color:var(--sec);box-shadow:0 0 20px rgba(185,138,68,0.15);
}
.case-cover{
  position:relative;height:190px;overflow:hidden;
}
.case-cover img{
  width:100%;height:100%;object-fit:cover;transition:transform .5s;
}
.case-card:hover .case-cover img{transform:scale(1.05);}
.case-cover::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(transparent 50%,rgba(19,17,16,0.8));
}
.case-region{
  position:absolute;top:12px;left:12px;z-index:2;
  background:rgba(19,17,16,0.8);color:var(--sec);
  border:1px solid rgba(185,138,68,0.4);
  font-size:0.75rem;padding:3px 12px;border-radius:20px;
}
.case-body{padding:20px 20px 16px;display:flex;flex-direction:column;flex:1;}
.case-body h3{
  font-family:var(--font-title);font-size:1.1rem;font-weight:600;
  color:var(--light);margin-bottom:6px;
}
.case-rating{color:var(--sec);font-size:0.85rem;letter-spacing:2px;margin-bottom:10px;}
.case-desc{
  font-size:0.85rem;color:var(--muted);line-height:1.7;margin-bottom:14px;flex:1;
}
.case-link{
  font-size:0.85rem;color:var(--sec);display:inline-flex;align-items:center;gap:4px;
}
.case-link:hover{gap:8px;color:var(--light);}
.case-link::after{content:'→';}
.case-more{
  display:flex;align-items:center;justify-content:center;
  background:rgba(185,138,68,0.06);border-style:dashed !important;
  border-color:rgba(185,138,68,0.3) !important;
  min-height:100%;
}
.case-more-content{text-align:center;padding:32px;}
.case-more-content span{
  display:block;font-size:2rem;color:var(--sec);margin-bottom:12px;
}
.case-more-content p{
  font-size:0.9rem;color:var(--muted);margin-bottom:16px;
}

/* ========== 价格 ========== */
.pricing{background:var(--dark);}
.pricing-grid{
  display:flex;align-items:stretch;justify-content:center;gap:24px;
  flex-wrap:wrap;
}
.price-card{
  flex:1;max-width:340px;min-width:260px;
  background:rgba(34,30,26,0.7);
  border:1px solid var(--border);border-radius:var(--radius);
  padding:36px 32px;display:flex;flex-direction:column;
  backdrop-filter:blur(4px);
  transition:transform .3s,border-color .3s,box-shadow .3s;
}
.price-card:hover{
  transform:translateY(-4px);border-color:rgba(185,138,68,0.5);
  box-shadow:var(--shadow);
}
.price-card.featured{
  flex:1.15;max-width:380px;
  background:var(--card-bg);
  border:1px solid var(--sec);
  transform:scale(1.04);
  box-shadow:0 0 40px rgba(185,138,68,0.2);
  position:relative;z-index:2;
}
.price-card.featured:hover{transform:scale(1.04) translateY(-6px);}
.price-tag{
  display:inline-block;font-size:0.75rem;color:var(--sec);
  border:1px solid rgba(185,138,68,0.4);
  padding:2px 12px;border-radius:20px;margin-bottom:16px;
  align-self:flex-start;
}
.price-name{
  font-family:var(--font-title);font-size:1.3rem;font-weight:700;
  color:var(--light);margin-bottom:8px;
}
.price-range{
  font-family:var(--font-title);font-size:2rem;font-weight:700;
  color:var(--sec);line-height:1.2;margin-bottom:4px;
}
.price-range small{
  font-size:1rem;color:var(--muted);font-weight:400;
}
.price-scene{
  font-size:0.82rem;color:var(--muted);margin-bottom:20px;
}
.price-divider{
  height:1px;background:rgba(185,138,68,0.2);margin-bottom:20px;
}
.price-list{list-style:none;margin-bottom:28px;flex:1;}
.price-list li{
  font-size:0.88rem;color:var(--muted);padding:6px 0;
  display:flex;align-items:flex-start;gap:8px;
}
.price-list li::before{
  content:'•';color:var(--sec);font-weight:700;flex-shrink:0;
}
.price-btn{
  display:block;text-align:center;
  border:1px solid var(--sec);color:var(--sec);
  font-size:0.9rem;font-weight:500;padding:12px 20px;border-radius:40px;
  transition:all .3s;
}
.price-btn:hover{background:rgba(185,138,68,0.15);}
.price-btn.featured-btn{
  background:var(--gradient);color:#131110;border:none;font-weight:600;
}
.price-btn.featured-btn:hover{filter:brightness(1.15);box-shadow:0 0 20px rgba(185,138,68,0.4);}

/* ========== 资讯 ========== */
.insights{background:var(--dark-2);}
.insights-grid{display:grid;grid-template-columns:1fr 360px;gap:48px;align-items:start;}
.insight-list-item{
  display:flex;gap:20px;padding:22px 0;
  border-bottom:1px solid rgba(185,138,68,0.12);
  transition:background .3s;
}
.insight-list-item:first-child{padding-top:0;}
.insight-list-item:hover{background:rgba(185,138,68,0.03);}
.insight-date{
  flex-shrink:0;font-size:0.82rem;color:var(--muted);
  padding-top:4px;min-width:64px;
}
.insight-list-item h3{
  font-size:0.98rem;font-weight:500;color:var(--light);
  transition:color .3s;line-height:1.7;
}
.insight-list-item:hover h3{color:var(--sec);}
.insight-side{
  background:var(--card-bg);border:1px solid var(--border);
  border-radius:var(--radius);padding:28px;position:sticky;top:100px;
}
.insight-side h4{
  font-family:var(--font-title);font-size:1.1rem;color:var(--light);
  margin-bottom:20px;padding-bottom:12px;border-bottom:1px solid rgba(185,138,68,0.2);
}
.side-rank-list{list-style:none;}
.side-rank-list li{
  padding:10px 0;border-bottom:1px dashed rgba(185,138,68,0.12);
  font-size:0.88rem;color:var(--muted);display:flex;gap:10px;align-items:baseline;
  transition:color .3s;
}
.side-rank-list li:last-child{border-bottom:none;}
.side-rank-list li:hover{color:var(--sec);}
.side-rank-list .rank-num{
  font-family:var(--font-title);color:var(--sec);font-size:1rem;font-weight:700;
}
.side-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px;}
.side-tags a{
  font-size:0.78rem;color:var(--muted);
  border:1px solid rgba(185,138,68,0.2);padding:4px 12px;border-radius:20px;
  transition:all .3s;
}
.side-tags a:hover{color:var(--sec);border-color:var(--sec);}

/* ========== 平台保障 ========== */
.guarantee{background:var(--dark);}
.guarantee-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.guard-item{
  background:rgba(34,30,26,0.7);border:1px solid rgba(185,138,68,0.15);
  border-radius:var(--radius);padding:28px 24px;text-align:center;
  transition:transform .3s,border-color .3s,box-shadow .3s;
}
.guard-item:hover{
  transform:translateY(-4px);border-color:rgba(185,138,68,0.4);
  box-shadow:var(--shadow);
}
.guard-icon{
  width:56px;height:56px;margin:0 auto 16px;border-radius:50%;
  border:1px solid rgba(185,138,68,0.4);
  display:flex;align-items:center;justify-content:center;
  font-size:1.3rem;color:var(--sec);background:rgba(185,138,68,0.08);
}
.guard-item h3{
  font-family:var(--font-title);font-size:1.05rem;font-weight:600;
  color:var(--light);margin-bottom:8px;
}
.guard-item p{
  font-size:0.85rem;color:var(--muted);line-height:1.8;
}

/* ========== FAQ ========== */
.faq{background:var(--dark-2);}
.faq-container{max-width:820px;margin:0 auto;}
.faq-item{
  background:var(--card-bg);border:1px solid var(--border);
  border-radius:var(--radius);margin-bottom:14px;overflow:hidden;
  transition:border-color .3s;
}
.faq-item.open{border-color:rgba(185,138,68,0.5);}
.faq-question{
  width:100%;display:flex;align-items:center;justify-content:space-between;
  padding:18px 24px;text-align:left;font-size:0.95rem;font-weight:500;
  color:var(--light);transition:color .3s;
}
.faq-qnum{
  font-family:var(--font-title);color:var(--sec);margin-right:12px;font-size:0.85rem;
}
.faq-qtext{flex:1;}
.faq-icon{
  width:28px;height:28px;border-radius:50%;
  border:1px solid rgba(185,138,68,0.35);color:var(--sec);
  display:flex;align-items:center;justify-content:center;
  font-size:1rem;transition:all .3s;flex-shrink:0;margin-left:12px;
}
.faq-item.open .faq-icon{
  background:var(--sec);color:#131110;transform:rotate(45deg);
}
.faq-answer{
  max-height:0;overflow:hidden;transition:max-height .4s ease;
}
.faq-answer-inner{padding:0 24px 20px;font-size:0.9rem;color:var(--muted);line-height:1.9;}
.faq-item.open .faq-answer{max-height:300px;}

/* ========== CTA ========== */
.cta-section{
  background:linear-gradient(rgba(19,17,16,0.88),rgba(19,17,16,0.94)),
             url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
  padding:clamp(4rem,7vw,6rem) 0;
  border-top:1px solid rgba(185,138,68,0.3);
  border-bottom:1px solid rgba(185,138,68,0.3);
  position:relative;
}
.cta-section::before{
  content:'';position:absolute;top:20px;left:20px;right:20px;bottom:20px;
  border:1px solid rgba(185,138,68,0.15);border-radius:var(--radius-lg);
  pointer-events:none;
}
.cta-inner{text-align:center;max-width:700px;margin:0 auto;position:relative;z-index:2;}
.cta-title{
  font-family:var(--font-title);font-size:clamp(1.6rem,3.5vw,2.4rem);
  font-weight:700;color:var(--light);line-height:1.3;margin-bottom:16px;
}
.cta-subtitle{
  font-size:0.98rem;color:var(--muted);margin-bottom:36px;line-height:1.8;
}
.cta-form{max-width:560px;margin:0 auto;}
.form-row{margin-bottom:16px;text-align:left;}
.form-row label{
  display:block;font-size:0.84rem;color:var(--muted);margin-bottom:6px;
}
.form-row input,.form-row select{
  width:100%;padding:13px 20px;border-radius:40px;
  background:rgba(0,0,0,0.2);
  border:1px solid rgba(185,138,68,0.3);
  color:var(--light);font-size:0.92rem;outline:none;
  transition:border-color .3s,box-shadow .3s;
}
.form-row input:focus,.form-row select:focus{
  border-color:var(--sec);box-shadow:0 0 0 3px rgba(185,138,68,0.15);
}
.form-row input::placeholder{color:var(--muted);}
.form-row select option{background:var(--dark-2);color:var(--light);}
.cta-submit{
  width:100%;background:var(--gradient);color:#131110;
  font-size:1rem;font-weight:600;padding:14px;border-radius:40px;
  transition:filter .3s,box-shadow .3s;
}
.cta-submit:hover{filter:brightness(1.15);box-shadow:0 0 30px rgba(185,138,68,0.4);}
.cta-note{
  margin-top:14px;font-size:0.78rem;color:var(--muted);
}

/* ========== 页脚 ========== */
.footer{
  background:#0F0D0C;border-top:1px solid rgba(185,138,68,0.3);
  padding:60px 0 0;
}
.footer-grid{padding-bottom:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand-icon{
  width:36px;height:36px;border-radius:50%;
  background:var(--gradient);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-title);font-weight:700;font-size:0.85rem;
  color:#131110;
}
.footer-brand-text{
  font-family:var(--font-title);font-size:0.9rem;font-weight:700;color:var(--light);
}
.footer-desc{
  font-size:0.85rem;color:var(--muted);line-height:1.8;margin-bottom:20px;
}
.footer h4{
  font-family:var(--font-title);font-size:0.95rem;font-weight:600;
  color:var(--light);margin-bottom:16px;
}
.footer-links li{margin-bottom:10px;}
.footer-links a{
  font-size:0.85rem;color:var(--muted);transition:color .3s,padding-left .3s;
}
.footer-links a:hover{color:var(--sec);padding-left:4px;}
.footer-contact li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:0.85rem;color:var(--muted);margin-bottom:12px;
}
.footer-contact .contact-icon{color:var(--sec);flex-shrink:0;}
.footer-bottom{
  border-top:1px solid rgba(185,138,68,0.15);
  padding:20px 0;text-align:center;
  font-size:0.8rem;color:var(--muted);
}
.footer-bottom a{color:var(--sec);}

/* ========== 响应式 ========== */
@media(max-width:1024px){
  .nav-links{gap:16px;}
  .hero-visual{width:240px;right:-30px;}
  .guarantee-grid{grid-template-columns:repeat(2,1fr);}
  .pricing-grid{flex-direction:column;align-items:center;}
  .price-card{max-width:420px;width:100%;}
  .price-card.featured{transform:none;max-width:420px;}
  .price-card.featured:hover{transform:translateY(-6px);}
}
@media(max-width:900px){
  .nav-links{
    display:none;position:absolute;top:calc(100% + 12px);left:20px;right:20px;
    background:rgba(20,18,16,0.95);backdrop-filter:blur(12px);
    border:1px solid rgba(185,138,68,0.3);border-radius:20px;
    flex-direction:column;padding:20px;gap:14px;
    box-shadow:var(--shadow);
  }
  .nav-links.open{display:flex;}
  .nav-cta{display:none;}
  .hamburger{display:flex;}
  .hero{min-height:auto;padding:120px 0 60px;}
  .hero-visual{display:none;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:16px;}
  .stat-item:nth-child(2)::after{display:none;}
  .insights-grid{grid-template-columns:1fr;}
  .insight-side{position:static;}
  .scene-thumb{width:120px;height:80px;}
  .scenes-left{position:static;margin-bottom:32px;}
}
@media(max-width:640px){
  .container{padding:0 18px;}
  .hero{padding:110px 0 50px;}
  .hero-ctas{flex-direction:column;align-items:center;}
  .btn-primary,.btn-secondary{width:100%;text-align:center;}
  .hero-search{flex-direction:column;background:transparent;border:none;gap:10px;}
  .hero-search input{
    border:1px solid rgba(185,138,68,0.3);border-radius:40px;
    background:rgba(0,0,0,0.3);
  }
  .hero-search button{padding:12px 24px;}
  .dim-grid .big-card,.dim-grid .vertical-card,.dim-grid .card{padding:24px !important;}
  .scene-item{gap:12px;}
  .scene-num{font-size:1.1rem;width:32px;}
  .scene-thumb{display:none;}
  .case-card{min-width:280px;}
  .guarantee-grid{grid-template-columns:1fr;}
  .cta-section{padding:48px 0;}
  .form-row input,.form-row select{padding:12px 16px;}
  .footer-grid>div{margin-bottom:32px;}
  .sections-gap{padding-top:0;}
}