/* ivory_weiqi · home.css · SAKURA 樱花柔粉白底 */
.ivw-hero{position:relative;padding:96px 20px;background:linear-gradient(135deg,#fff 0%,#fff5f5 50%,#fff 100%);overflow:hidden}
.ivw-hero::before{content:'';position:absolute;top:-80px;right:-80px;width:400px;height:400px;border-radius:50%;background:radial-gradient(circle,rgba(236,72,153,.08),transparent 70%);pointer-events:none}
.ivw-hero::after{content:'🌸';position:absolute;bottom:-40px;left:-40px;font-size:240px;opacity:.06;transform:rotate(-15deg)}
.ivw-hero-inner{max-width:1080px;margin:0 auto;position:relative;z-index:2;text-align:center}
.ivw-hero-tag{display:inline-block;background:linear-gradient(90deg,var(--ks-primary),var(--ks-accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;font-size:14px;letter-spacing:.16em;font-weight:700;margin-bottom:24px}
.ivw-hero h1{font-size:80px;line-height:1.05;margin:0 0 24px;color:var(--ks-text);font-weight:300;letter-spacing:.02em}
.ivw-hero h1 em{font-style:normal;display:block;background:linear-gradient(90deg,var(--ks-primary),var(--ks-accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;font-weight:700}
.ivw-hero-lead{font-size:17px;color:var(--ks-text-2);max-width:680px;margin:0 auto 36px;line-height:1.85}
.ivw-hero-pills{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-bottom:36px}
.ivw-hero-pills span{padding:8px 18px;background:#fff;border:1px solid var(--ks-border);border-radius:999px;font-size:13px;color:var(--ks-text-2);box-shadow:var(--ks-shadow-sm)}
.ivw-hero-cta{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.ivw-hero-cta a{padding:14px 32px;font-size:14px;font-weight:600;border-radius:999px;border:none;cursor:pointer;transition:.25s}
.ivw-hero-cta a:first-child{background:linear-gradient(135deg,var(--ks-primary),var(--ks-accent));color:#fff}
.ivw-hero-cta a:nth-child(2){background:#fff;color:var(--ks-text);border:1px solid var(--ks-border)}
.ivw-hero-cta a:hover{transform:translateY(-2px);box-shadow:var(--ks-shadow)}

.ivw-solutions{padding:80px 0;background:#fff}
.ivw-sol-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ivw-sol-card{padding:36px 28px;background:linear-gradient(135deg,#fff,#fff5f5);border:1px solid var(--ks-border);border-radius:20px;transition:.25s}
.ivw-sol-card:hover{transform:translateY(-4px);box-shadow:var(--ks-shadow);border-color:var(--ks-primary)}
.ivw-sol-no{display:inline-block;width:48px;height:48px;line-height:48px;text-align:center;border-radius:50%;background:linear-gradient(135deg,var(--ks-primary),var(--ks-accent));color:#fff;font-weight:700;margin-bottom:16px}
.ivw-sol-card h3{font-size:20px;color:var(--ks-text);margin:0 0 12px;font-weight:600}
.ivw-sol-card p{font-size:14px;color:var(--ks-text-2);line-height:1.75;margin:0}

.ivw-data{padding:80px 0;background:#fff5f5}
.ivw-data-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px}
.ivw-tiers{padding:80px 0;background:#fff}
.ivw-tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ivw-tier-card{padding:40px 32px;background:linear-gradient(135deg,#fff,#fff5f5);border:1px solid var(--ks-border);border-radius:24px;transition:.25s}
.ivw-tier-card.featured{background:linear-gradient(135deg,var(--ks-primary),var(--ks-accent));color:#fff;transform:scale(1.04)}
.ivw-tier-card.featured *{color:#fff !important}
.ivw-tier-card h4{font-size:14px;letter-spacing:.16em;text-transform:uppercase;color:var(--ks-primary);margin:0 0 12px;font-weight:700}
.ivw-tier-card .price{font-size:48px;font-weight:300;color:var(--ks-text);margin:0 0 24px;line-height:1}
.ivw-tier-card ul{padding:0;margin:0 0 28px;list-style:none;font-size:14px;color:var(--ks-text-2)}
.ivw-tier-card li{padding:8px 0}
.ivw-tier-card .btn{display:block;text-align:center;padding:14px;border-radius:999px;background:transparent;border:1.5px solid var(--ks-primary);color:var(--ks-primary);font-weight:600;transition:.25s}
.ivw-tier-card .btn:hover{background:var(--ks-primary);color:#fff}
.ivw-tier-card.featured .btn{background:#fff;color:var(--ks-primary);border-color:#fff}
.ivw-tier-card.featured .btn:hover{background:transparent;color:#fff}

.ivw-news{padding:80px 0;background:#fff5f5}
.ivw-news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ivw-news-card{background:#fff;padding:28px;border-radius:18px;border:1px solid var(--ks-border);transition:.25s}
.ivw-news-card:hover{transform:translateY(-4px);box-shadow:var(--ks-shadow)}
.ivw-news-meta{font-size:12px;color:var(--ks-primary);margin-bottom:8px;font-weight:600}
.ivw-news-card h3{font-size:18px;color:var(--ks-text);margin:0 0 10px;font-weight:600;line-height:1.4}
.ivw-news-card p{font-size:14px;color:var(--ks-text-2);line-height:1.7;margin:0}

@media(max-width:1024px){
  .ivw-hero h1{font-size:48px}
  .ivw-sol-grid,.ivw-tier-grid,.ivw-news-grid,.ivw-data-grid{grid-template-columns:1fr}
}



/* 通用关键词芯片 */
.ivw-keywords{padding:48px 0;background:#fff;border-top:1px solid var(--ks-border)}
.ivw-chip-grid{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;max-width:1100px;margin:0 auto;padding:0 20px}
.ivw-chip{padding:6px 14px;border:1px solid var(--ks-border);border-radius:999px;font-size:13px;color:var(--ks-text-2);background:#fff;transition:.2s}
.ivw-chip:hover{border-color:var(--ks-primary);color:var(--ks-primary);background:var(--ks-bg-3)}

/* 通用 final-CTA */
.ivw-final{padding:80px 20px;text-align:center;background:linear-gradient(180deg,#fff,var(--ks-bg-3))}
.ivw-final h2{font-size:36px;margin:0 0 16px;color:var(--ks-text)}
.ivw-final p{color:var(--ks-text-2);margin:0 auto 28px;max-width:640px}
.ivw-final-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.ivw-final .btn-primary,.ivw-final .btn-ghost{padding:14px 32px;border-radius:8px;font-weight:700;font-size:15px;border:1.5px solid;transition:.25s;cursor:pointer}
.ivw-final .btn-primary{background:var(--ks-primary);color:#fff;border-color:var(--ks-primary)}
.ivw-final .btn-primary:hover{background:var(--ks-primary-hover);color:#fff}
.ivw-final .btn-ghost{background:#fff;color:var(--ks-text);border-color:var(--ks-border-strong)}
.ivw-final .btn-ghost:hover{border-color:var(--ks-primary);color:var(--ks-primary)}

/* 通用 anchor 锚点 */
.ivw-anchor{padding:32px 0;text-align:center;background:#fff;border-bottom:1px solid var(--ks-border)}
.ivw-anchor-list{display:flex;flex-wrap:wrap;justify-content:center;gap:6px;max-width:1000px;margin:0 auto;padding:0 16px}
.ivw-anchor-list a{padding:6px 14px;border:1px solid var(--ks-border);border-radius:6px;color:var(--ks-text-2);font-size:13px;transition:.2s}
.ivw-anchor-list a:hover{border-color:var(--ks-primary);color:var(--ks-primary)}

/* 通用 section title */
.ivw-section-title{text-align:center;margin:0 auto 36px;max-width:760px}
.ivw-section-title h2{font-size:32px;margin:0 0 8px;color:var(--ks-text);font-weight:700}
.ivw-section-title p{color:var(--ks-text-2);margin:0;font-size:15px}

/* 数据表 */
.ivw-table{background:#fff;border:1px solid var(--ks-border);border-radius:10px;overflow:hidden}
.ivw-table table{margin:0}
.ivw-table th{background:var(--ks-bg-3);font-size:13px;color:var(--ks-text-2);text-transform:uppercase;letter-spacing:.04em;font-weight:600}
.ivw-table td{font-size:14px;color:var(--ks-text)}
.ivw-table tbody tr:hover{background:var(--ks-bg-2)}

/* container */
.ivw-wrap{max-width:1180px;margin:0 auto;padding:0 20px}

/* 移动端 */
@media(max-width:768px){
  .ivw-section-title h2{font-size:24px}
  .ivw-final h2{font-size:24px}
}


/* === HEADER sakura SOFT-PILL === */
.ivw-h{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--ks-border);padding:12px 0}
.ivw-h-wrap{max-width:1180px;margin:0 auto;padding:0 20px;display:flex;align-items:center;gap:24px}
.ivw-h-brand{display:flex;align-items:center;gap:8px;text-decoration:none}
.ivw-h-petal{font-size:22px}
.ivw-h-name{font-size:18px;font-weight:600;color:var(--ks-text);letter-spacing:.02em}
.ivw-h-nav{flex:1;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.ivw-h-link{padding:8px 18px;font-size:13px;color:var(--ks-text);text-decoration:none;background:var(--ks-bg-2);border-radius:999px;transition:.25s;position:relative}
.ivw-h-link:hover{background:var(--ks-primary);color:#fff}
.ivw-h-show-pop{position:absolute;top:100%;left:0;background:#fff;border:1px solid var(--ks-border);border-radius:14px;min-width:180px;padding:8px 0;display:none;z-index:120;margin-top:6px;box-shadow:0 4px 16px rgba(0,0,0,.06)}
.ivw-h-link:hover .ivw-h-show-pop{display:block}
.ivw-h-show-pop a,.ivw-h-show-pop li{display:block;padding:8px 16px;font-size:13px;color:var(--ks-text-2);text-decoration:none;list-style:none;border-radius:0}
.ivw-h-show-pop a:hover{background:var(--ks-bg-2)}
.ivw-h-search{display:flex;align-items:center;background:var(--ks-bg-2);border-radius:999px;height:36px;padding:0 6px}
.ivw-h-search input{border:none;outline:none;padding:0 12px;font-size:13px;width:160px;background:transparent}
.ivw-h-search button{border:none;background:var(--ks-primary);color:#fff;border-radius:999px;height:30px;padding:0 16px;font-size:12px;cursor:pointer;font-weight:600}



/* =================================================== */
/* MOBILE ENHANCED · 移动端阅读体验优化                 */
/* =================================================== */
@media(max-width:768px){
  html,body{font-size:17px !important}
  .ivw-hero{padding:96px 20px 80px}
  .ivw-hero h1,
  .ivw-hero .ivw-h1{font-size:52px !important;line-height:1 !important;letter-spacing:-.03em !important}
  .ivw-hero h1 em,
  .ivw-hero .ivw-h1 em{font-size:52px !important}
  .ivw-hero-tag{font-size:13px !important;letter-spacing:.2em !important;padding:10px 18px !important;margin-bottom:36px !important}
  .ivw-hero-lead,
  .ivw-hero p{font-size:16px !important;line-height:1.8 !important;margin-bottom:32px !important}
  .ivw-hero-cta{flex-direction:column;gap:12px;margin-top:36px}
  .ivw-hero-cta a{padding:18px 24px !important;font-size:16px !important;text-align:center;letter-spacing:.1em !important;width:100%;box-sizing:border-box;border-radius:10px !important}
  .ivw-hero-stats{grid-template-columns:1fr 1fr !important;gap:0;margin-top:44px;padding-top:24px}
  .ivw-hero-stats div{padding:20px 16px !important;border-bottom:1px solid var(--ks-border)}
  .ivw-hero-stats strong{font-size:32px !important}
  .ivw-hero-stats span{font-size:12px !important;margin-top:6px !important}
  .ivw-hero-inner,
  .ivw-hero .ivw-wrap{padding:0 20px}
  /* sections 放大 */
  .ivw-solutions,
  .ivw-data,
  .ivw-tiers,
  .ivw-news{padding:72px 0 !important}
  .ivw-sec-head{margin-bottom:32px !important}
  .ivw-sec-title,
  .ivw-sec-head h2{font-size:30px !important;line-height:1.25 !important;margin-bottom:8px !important}
  .ivw-sec-sub,
  .ivw-sec-head p{font-size:15px !important;line-height:1.7 !important}
  .ivw-sol-grid,
  .ivw-tier-grid,
  .ivw-news-grid{grid-template-columns:1fr !important;gap:14px !important}
  .ivw-sol-card{padding:28px 22px !important;border-radius:14px !important}
  .ivw-sol-card h3{font-size:20px !important;margin-bottom:10px !important}
  .ivw-sol-card p{font-size:15px !important;line-height:1.7 !important}
  .ivw-sol-no{font-size:12px !important;margin-bottom:10px !important}
  .ivw-tier-card{padding:36px 24px !important;border-radius:14px !important}
  .ivw-tier-card h4{font-size:14px !important}
  .ivw-tier-card .price{font-size:40px !important}
  .ivw-tier-card li{font-size:15px !important;padding:10px 0 !important}
  .ivw-tier-card .btn{padding:16px !important;font-size:15px !important;border-radius:10px !important}
  .ivw-news-card{padding:28px 22px !important;border-radius:14px !important}
  .ivw-news-card h3{font-size:19px !important;line-height:1.4 !important}
  .ivw-news-card p{font-size:15px !important}
  .ivw-news-meta{font-size:12px !important;margin-bottom:10px !important}
  /* data tables 可读 */
  .ivw-table th,
  .ivw-table td{font-size:14px !important;padding:12px 10px !important}
  .ivw-data-grid{grid-template-columns:1fr !important;gap:16px !important}
  .ivw-data-list li{padding:14px 18px !important;font-size:15px !important;gap:6px !important;flex-wrap:wrap}
  .ivw-data-list strong{font-size:15px !important}
  .ivw-data-list span{font-size:14px !important}
  .ivw-kv-grid{grid-template-columns:1fr 1fr !important;gap:10px !important}
  .ivw-kv-cell{padding:18px 14px !important;border-radius:12px !important}
  .ivw-kv-val{font-size:22px !important}
  .ivw-kv-lbl{font-size:13px !important}
  .ivw-kv-hint{font-size:12px !important}
  /* keywords chips */
  .ivw-keywords{padding:56px 0 !important}
  .ivw-chip-grid{gap:8px !important}
  .ivw-chip{padding:10px 18px !important;font-size:14px !important;border-radius:999px !important}
  /* final CTA */
  .ivw-final{padding:72px 20px !important}
  .ivw-final-title{font-size:30px !important;line-height:1.25 !important}
  .ivw-final-lead{font-size:16px !important;line-height:1.7 !important}
  .ivw-final-actions{flex-direction:column;gap:12px}
  .ivw-final-actions .btn-primary,
  .ivw-final-actions .btn-ghost{padding:18px 24px !important;font-size:16px !important;width:100%;box-sizing:border-box;border-radius:10px !important}
  /* anchor 导航 */
  .ivw-anchor{padding:24px 0 !important}
  .ivw-anchor-list{gap:6px !important}
  .ivw-anchor-list a{padding:8px 14px !important;font-size:13px !important}
}





/* === HERO SAKURA 重写：弧形 + 花瓣 === */
.ivw-hero{position:relative;padding:140px 20px 100px;background:#fff;overflow:hidden;border-bottom:1px solid var(--ks-border)}
.ivw-hero-arc{position:absolute;top:-300px;left:-10%;right:-10%;height:600px;background:linear-gradient(180deg,#fce7f3 0%,#fff0f6 60%,transparent 100%);border-radius:0 0 50% 50% / 0 0 100% 100%;z-index:0}
.ivw-hero-wrap{max-width:1080px;margin:0 auto;text-align:center;position:relative;z-index:2}
.ivw-hero-tag{display:inline-block;font-size:13px;letter-spacing:.24em;color:#be185d;background:rgba(255,255,255,.7);border:1px solid #fce7f3;padding:10px 20px;border-radius:999px;margin-bottom:28px}
.ivw-h1{font-size:100px;line-height:.95;margin:0 0 24px;color:var(--ks-text);font-weight:800;letter-spacing:-.03em}
.ivw-h1 em{color:#ec4899;font-style:normal;font-weight:300;display:block;font-size:80px;margin-top:4px}
.ivw-hero-lead{font-size:18px;color:var(--ks-text-2);line-height:1.8;margin:0 auto 40px;max-width:680px}
.ivw-hero-stats{display:flex;justify-content:center;gap:24px;margin:40px 0 24px}
.ivw-hero-stats div{background:rgba(255,255,255,.8);padding:22px 28px;border-radius:24px;border:1px solid #fce7f3;min-width:140px}
.ivw-hero-stats b{display:block;font-size:32px;color:var(--ks-text);font-weight:800;line-height:1}
.ivw-hero-stats span{display:block;font-size:12px;color:#be185d;margin-top:6px;letter-spacing:.16em}
.ivw-hero-features{display:flex;justify-content:center;gap:24px;flex-wrap:wrap;margin:24px 0 8px}
.ivw-hero-features span{font-size:14px;color:var(--ks-text-2)}
.ivw-hero-cta{display:flex;justify-content:center;gap:14px;margin-top:32px}
.ivw-btn-pill{padding:18px 40px;font-size:15px;font-weight:700;background:#ec4899;color:#fff;border:none;border-radius:999px;text-decoration:none;transition:.25s}
.ivw-btn-pill:hover{background:#be185d}
.ivw-btn-pill-ghost{padding:18px 40px;font-size:15px;font-weight:700;background:transparent;color:#be185d;border:1.5px solid #ec4899;border-radius:999px;text-decoration:none}
.ivw-btn-pill-ghost:hover{background:#fce7f3}
@media(max-width:1024px){
  .ivw-h1{font-size:72px}
  .ivw-h1 em{font-size:60px}
  .ivw-hero-stats{flex-wrap:wrap}
}
@media(max-width:600px){
  .ivw-hero{padding:96px 20px 72px}
  .ivw-h1{font-size:48px !important}
  .ivw-h1 em{font-size:40px !important}
  .ivw-hero-stats div{padding:18px 16px;min-width:110px}
  .ivw-hero-stats b{font-size:24px}
}




/* =================================================== */
/* MOBILE HEADER · hamburger 抽屉导航                   */
/* =================================================== */
.ivw-h-toggle{display:none}
.ivw-h-ham{display:none;cursor:pointer;font-size:24px;color:var(--ks-text);background:none;border:1px solid var(--ks-border);padding:6px 10px;border-radius:8px;line-height:1;z-index:10;margin-left:auto;transition:.2s}
.ivw-h-ham:hover{background:var(--ks-bg-2)}

@media(max-width:900px){
  /* hamburger 显示 */
  .ivw-h-ham{display:inline-block}
  /* 默认隐藏 nav / search */
  .ivw-h-nav,
  .ivw-h-search{display:none !important}
  /* 隐藏 checkbox 但保留功能 */
  .ivw-h-toggle{position:absolute;opacity:0;pointer-events:none}
  /* 抽屉展开 */
  .ivw-h-toggle:checked ~ div .ivw-h-nav,
  .ivw-h-toggle:checked ~ div .ivw-h-search,
  .ivw-h-toggle:checked ~ .ivw-h-wrap .ivw-h-nav,
  .ivw-h-toggle:checked ~ .ivw-h-wrap .ivw-h-search,
  .ivw-h-toggle:checked ~ .ivw-h-bar .ivw-h-nav,
  .ivw-h-toggle:checked ~ .ivw-h-bar .ivw-h-search,
  .ivw-h-toggle:checked ~ .ivw-h-glass .ivw-h-nav,
  .ivw-h-toggle:checked ~ .ivw-h-glass .ivw-h-search,
  .ivw-h-toggle:checked ~ .ivw-h-stack .ivw-h-nav,
  .ivw-h-toggle:checked ~ .ivw-h-stack .ivw-h-search{
    display:flex !important;
  }
  /* 抽屉样式：nav / search 改为竖排，全宽，浮层 */
  .ivw-h-wrap{flex-wrap:wrap;gap:0;padding:12px 16px;height:auto}
  .ivw-h-nav{width:100%;flex-direction:column;gap:0;background:#fff;border:1px solid var(--ks-border);border-radius:12px;margin-top:12px;box-shadow:0 12px 32px rgba(0,0,0,.08);overflow:hidden}
  .ivw-h-link{width:100%;box-sizing:border-box;padding:14px 20px !important;border-radius:0 !important;border-bottom:1px solid var(--ks-border);line-height:1.4 !important;font-size:15px !important;text-align:left}
  .ivw-h-link:last-child{border-bottom:none}
  .ivw-h-sep{display:none}
  .ivw-h-show{width:100%;display:block}
  .ivw-h-show > .ivw-h-link{width:100%}
  .ivw-h-show-pop{position:static !important;display:block !important;border:none !important;background:var(--ks-bg-2);box-shadow:none !important;margin:0;padding:0;border-radius:0}
  .ivw-h-show-pop a,
  .ivw-h-show-pop li{padding:12px 32px !important;font-size:14px !important;border-bottom:1px solid var(--ks-border)}
  .ivw-h-search{width:100%;margin-top:12px;height:44px;border-radius:12px;border:1px solid var(--ks-border)}
  .ivw-h-search input{width:100%;font-size:15px;padding:0 14px}
  .ivw-h-search button{padding:0 16px;font-size:14px}
  /* 部分 layout 特殊 wrap 处理 */
  .ivw-h-row,
  .ivw-h-top-row,
  .ivw-h-nav-row,
  .ivw-h-meta-row{flex-wrap:wrap;gap:8px}
  .ivw-h-mast{padding:18px 16px !important}
  .ivw-h-mast .ivw-h-name{font-size:28px !important}
  .ivw-h-mastrow{grid-template-columns:1fr !important;gap:4px !important;padding:12px 16px !important}
  .ivw-h-mastrow .ivw-h-name{font-size:36px !important}
  .ivw-h-goldline{height:2px}
  .ivw-h-rule,
  .ivw-h-rule-thick{height:4px}
  .ivw-h-glass{margin:8px;border-radius:14px}
  .ivw-h-stack{padding:10px 14px;box-shadow:4px 4px 0 0 var(--ks-text)}
  .ivw-h-dotbar{height:4px}
  .ivw-h-navbar{height:auto;padding:4px 0}
  .ivw-h-top{font-size:10px}
  .ivw-h-name{font-size:16px !important;letter-spacing:.08em !important}
}