/* ============================================================
  万商云集·宜宾站 子站主题样式（竹海酒都·翠竹+江蓝）
  类前缀：yb-  零内联 style / 零内联 <style>
  ============================================================ */
:root{
  --ink:#16261F; --primary:#2E7D5B; --primary-2:#3FA06F; --accent:#3D7AB0;
  --bg:#F3F6F2; --bg-alt:#E9EEE8; --line:#D6DFD4;
  --heading:#1A261F; --muted:#566A5E; --radius:12px;
  --shadow:0 12px 28px rgba(22,38,31,.10);
  --gradient:linear-gradient(135deg,#2E7D5B,#3D7AB0);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0; font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,sans-serif;
  color:var(--ink); background:var(--bg); line-height:1.75; font-size:16px;
  -webkit-font-smoothing:antialiased;
}
body.yb-noscroll{overflow:hidden;}
img{max-width:100%; display:block;}
a{color:var(--primary); text-decoration:none;}
a:hover{color:var(--primary-2);}
h1,h2,h3,h4{color:var(--heading); line-height:1.3; margin:0 0 .5em;}
p{margin:0 0 1em;}

/* 通用容器与区块 */
.yb-content{min-height:60vh;}
.yb-sec{padding:64px 0;}
.yb-sec--alt{background:var(--bg-alt);}
.yb-sec__inner{max-width:1160px; margin:0 auto; padding:0 20px;}
.yb-sec__head{text-align:center; max-width:760px; margin:0 auto 40px;}
.yb-sec__eyebrow{
  display:inline-block; font-size:13px; letter-spacing:.18em; color:var(--primary);
  background:rgba(46,125,91,.10); padding:6px 16px; border-radius:999px; margin-bottom:16px;
}
.yb-sec__title{font-size:30px; font-weight:800;}
.yb-sec__lead{color:var(--muted); font-size:16px;}
.yb-sec__more{display:inline-block; margin-top:18px; font-weight:600;}
.yb-sec__phone{display:inline-block; margin:14px 0; font-size:30px; font-weight:800; color:var(--primary);}
.yb-sec__cta{display:flex; gap:14px; justify-content:center; flex-wrap:wrap; margin-top:8px;}

/* 按钮 */
.yb-btn{
  display:inline-block; padding:12px 26px; border-radius:999px; font-weight:700;
  transition:transform .15s ease,box-shadow .15s ease,background .15s ease; cursor:pointer; border:1px solid transparent;
}
.yb-btn--lg{padding:15px 34px; font-size:17px;}
.yb-btn--primary{background:var(--primary); color:#fff; box-shadow:var(--shadow);}
.yb-btn--primary:hover{background:var(--primary-2); color:#fff; transform:translateY(-2px);}
.yb-btn--outline{border-color:var(--primary); color:var(--primary); background:transparent;}
.yb-btn--outline:hover{background:var(--primary); color:#fff;}
.yb-btn--ghost{background:rgba(255,255,255,.16); color:#fff; border-color:rgba(255,255,255,.5);}
.yb-btn--ghost:hover{background:rgba(255,255,255,.28); color:#fff;}

/* 顶栏导航（区别于其它站：顶部水平导航） */
.yb-header{position:sticky; top:0; z-index:50; background:rgba(243,246,242,.92); backdrop-filter:blur(8px); border-bottom:1px solid var(--line);}
.yb-header__inner{max-width:1160px; margin:0 auto; padding:12px 20px; display:flex; align-items:center; gap:20px;}
.yb-brand{display:flex; align-items:center; gap:10px; flex-shrink:0;}
.yb-brand img{height:38px; width:auto; border-radius:8px;}
.yb-brand__name{font-weight:800; color:var(--heading); font-size:18px;}
.yb-brand__loc{font-size:12px; color:var(--muted);}
.yb-brand__loc b{color:var(--primary);}
.yb-nav{display:flex; gap:6px; margin-left:auto;}
.yb-nav__link{padding:8px 14px; border-radius:8px; color:var(--ink); font-weight:600; font-size:15px;}
.yb-nav__link:hover{background:rgba(46,125,91,.10); color:var(--primary);}
.yb-nav__link--on{background:var(--primary); color:#fff;}
.yb-header__tel{font-weight:800; color:var(--primary); margin-left:6px;}
.yb-burger{display:none; flex-direction:column; gap:5px; width:42px; height:42px; border:1px solid var(--line); border-radius:10px; background:#fff; cursor:pointer; align-items:center; justify-content:center;}
.yb-burger span{display:block; width:20px; height:2px; background:var(--ink); border-radius:2px;}

/* 移动抽屉 */
.yb-drawer{position:fixed; top:0; right:0; height:100%; width:300px; max-width:84vw; background:#fff; z-index:120; transform:translateX(100%); transition:transform .28s ease; box-shadow:var(--shadow); display:flex; flex-direction:column;}
.yb-drawer.yb-drawer--open{transform:translateX(0);}
.yb-drawer__head{display:flex; align-items:center; justify-content:space-between; padding:18px 20px; border-bottom:1px solid var(--line);}
.yb-drawer__title{font-weight:800; color:var(--heading);}
.yb-drawer__close{width:36px; height:36px; border:1px solid var(--line); border-radius:8px; background:#fff; font-size:20px; cursor:pointer; color:var(--ink);}
.yb-drawer__nav{display:flex; flex-direction:column; padding:12px; gap:4px; overflow:auto;}
.yb-drawer__link{padding:13px 14px; border-radius:10px; color:var(--ink); font-weight:600;}
.yb-drawer__link:hover{background:rgba(46,125,91,.10); color:var(--primary);}
.yb-drawer__link--on{background:var(--primary); color:#fff;}
.yb-drawer__tel{margin:auto 16px 20px; padding:13px; text-align:center; background:var(--gradient); color:#fff; border-radius:10px; font-weight:700;}
.yb-scrim{position:fixed; inset:0; background:rgba(22,38,31,.45); z-index:110; opacity:0; visibility:hidden; transition:opacity .25s ease;}
.yb-scrim.yb-scrim--open{opacity:1; visibility:visible;}

/* 分屏 Hero（左竹影图 · 右文 · 江浪波纹） */
.yb-hero{position:relative; overflow:hidden; background:linear-gradient(180deg,#EAF2EC,#F3F6F2);}
.yb-hero__inner{max-width:1160px; margin:0 auto; padding:56px 20px; display:grid; grid-template-columns:1fr 1.1fr; gap:40px; align-items:center;}
.yb-hero__art{position:relative; min-height:340px; border-radius:18px; overflow:hidden; background:linear-gradient(160deg,#2E7D5B,#3D7AB0); box-shadow:var(--shadow);}
.yb-hero__art svg{position:absolute; inset:0; width:100%; height:100%;}
.yb-hero__wave{position:absolute; left:0; right:0; bottom:0; width:100%; height:auto; opacity:.55;}
.yb-hero__badge{display:inline-block; background:rgba(61,122,176,.14); color:var(--accent); font-weight:700; padding:7px 16px; border-radius:999px; font-size:14px; margin-bottom:18px;}
.yb-hero__title{font-size:42px; font-weight:900; letter-spacing:-.01em; color:var(--heading); margin-bottom:14px;}
.yb-hero__sub{font-size:18px; color:var(--muted); max-width:520px;}
.yb-hero__meta{color:var(--primary); font-weight:600;}
.yb-hero__actions{display:flex; gap:14px; flex-wrap:wrap; margin-top:24px;}

/* 广告图（流中独立元素） */
.yb-adband{max-width:1160px; margin:0 auto 8px; padding:0 20px;}
.yb-adband img{width:100%; border-radius:var(--radius); box-shadow:var(--shadow);}

/* 关于（折叠展开完整 introduce） */
.yb-about__full{max-height:120px; overflow:hidden; position:relative; transition:max-height .35s ease; color:var(--muted);}
.yb-about__full.yb-about__full--open{max-height:2000px;}
.yb-about__full:not(.yb-about__full--open)::after{content:""; position:absolute; left:0; right:0; bottom:0; height:48px; background:linear-gradient(180deg,rgba(243,246,242,0),var(--bg));}
.yb-about__btn{margin:14px 0 18px; background:transparent; border:1px solid var(--primary); color:var(--primary); padding:9px 20px; border-radius:999px; font-weight:700; cursor:pointer;}
.yb-about__btn:hover{background:var(--primary); color:#fff;}

/* 产品瓷片卡（青绿瓷釉质感） */
.yb-tiles{display:grid; grid-template-columns:repeat(3,1fr); gap:22px;}
.yb-tile{position:relative; padding:28px 24px; border-radius:16px; background:linear-gradient(155deg,#EAF4EE,#DCEDE3); border:1px solid var(--line); box-shadow:var(--shadow); overflow:hidden;}
.yb-tile::before{content:""; position:absolute; top:-40px; right:-40px; width:120px; height:120px; border-radius:50%; background:radial-gradient(circle,rgba(63,160,111,.35),transparent 70%);}
.yb-tile__icon{width:48px; height:48px; border-radius:12px; background:var(--gradient); display:flex; align-items:center; justify-content:center; margin-bottom:16px;}
.yb-tile__icon svg{width:26px; height:26px; fill:none; stroke:#fff; stroke-width:2;}
.yb-tile__title{font-size:19px; font-weight:800; color:var(--heading);}
.yb-tile__desc{color:var(--muted); font-size:15px;}

/* 三柱能力（竹海策略 / 酒都品牌 / 长江通达） */
.yb-pillars{display:grid; grid-template-columns:repeat(3,1fr); gap:22px;}
.yb-pillar{padding:30px 26px; border-radius:16px; background:#fff; border:1px solid var(--line); box-shadow:var(--shadow);}
.yb-pillar__num{font-size:14px; font-weight:800; color:var(--accent); letter-spacing:.1em;}
.yb-pillar__title{font-size:21px; font-weight:800; margin:8px 0 10px;}
.yb-pillar__desc{color:var(--muted);}

/* 双栏新闻 */
.yb-newsgrid{display:grid; grid-template-columns:1.4fr 1fr; gap:30px;}
.yb-featured{background:#fff; border:1px solid var(--line); border-radius:16px; padding:26px; box-shadow:var(--shadow);}
.yb-featured__title{font-size:22px; font-weight:800;}
.yb-featured__meta{color:var(--muted); font-size:14px; margin:6px 0 14px;}
.yb-featured__body{color:var(--muted);}
.yb-news{display:flex; flex-direction:column;}
.yb-news__item{display:flex; align-items:baseline; justify-content:space-between; gap:14px; padding:14px 0; border-bottom:1px dashed var(--line);}
.yb-news__link{font-weight:600; color:var(--ink);}
.yb-news__link:hover{color:var(--primary);}
.yb-news__date{color:var(--muted); font-size:13px; white-space:nowrap;}

/* FAQ */
.yb-faq{max-width:860px; margin:0 auto; display:flex; flex-direction:column; gap:12px;}
.yb-faq__item{background:#fff; border:1px solid var(--line); border-radius:12px; padding:4px 20px; box-shadow:var(--shadow);}
.yb-faq__item summary{cursor:pointer; font-weight:700; color:var(--heading); padding:16px 0; list-style:none;}
.yb-faq__item summary::-webkit-details-marker{display:none;}
.yb-faq__item summary::before{content:"+"; color:var(--primary); font-weight:900; margin-right:10px;}
.yb-faq__item[open] summary::before{content:"\2212";}
.yb-faq__body{padding:0 0 18px; color:var(--muted);}

/* 企业生态伙伴（首页 ffcompanysitelist） */
.yb-companies{display:flex; flex-wrap:wrap; gap:12px; justify-content:center; max-width:900px; margin:0 auto;}
.yb-companies__item{padding:10px 18px; border:1px solid var(--line); border-radius:999px; background:#fff; color:var(--ink); font-weight:600; font-size:14px;}
.yb-companies__item:hover{border-color:var(--primary); color:var(--primary);}

/* 分站互链（footer 城市） */
.yb-city{background:var(--bg-alt); border-top:1px solid var(--line);}
.yb-city__inner{max-width:1160px; margin:0 auto; padding:22px 20px; display:flex; align-items:center; gap:14px; flex-wrap:wrap;}
.yb-city__label{font-weight:700; color:var(--heading);}
.yb-city__links{display:flex; flex-wrap:wrap; gap:10px;}
.yb-city__link{padding:7px 14px; border:1px solid var(--line); border-radius:999px; background:#fff; color:var(--ink); font-size:14px; font-weight:600;}
.yb-city__link:hover{border-color:var(--primary); color:var(--primary);}
.yb-city__link--fold{display:none;}
.yb-city__more{margin-left:auto; background:transparent; border:1px solid var(--primary); color:var(--primary); border-radius:999px; padding:7px 16px; font-weight:700; cursor:pointer;}

/* 底部 */
.yb-foot{background:var(--ink); color:#cfe0d6; padding:48px 0 26px;}
.yb-foot__inner{max-width:1160px; margin:0 auto; padding:0 20px;}
.yb-foot__cols{display:grid; grid-template-columns:1.6fr 1fr 1fr; gap:30px;}
.yb-foot__brand{font-size:18px; font-weight:800; color:#fff; margin-bottom:12px;}
.yb-foot__brand b{color:var(--primary-2);}
.yb-foot__text{color:#a9c0b2; font-size:14px;}
.yb-foot__phone{display:inline-block; margin-top:10px; font-size:22px; font-weight:800; color:var(--primary-2);}
.yb-foot__title{font-weight:800; color:#fff; margin-bottom:10px;}
.yb-foot__cols a{color:#cfe0d6;}
.yb-foot__cols a:hover{color:var(--primary-2);}
.yb-foot__notice{margin:26px 0 16px; padding-top:18px; border-top:1px solid rgba(255,255,255,.12); font-size:13px; color:#9bb3a6;}
.yb-foot__copy{display:flex; flex-wrap:wrap; gap:10px 18px; font-size:13px; color:#9bb3a6; border-top:1px solid rgba(255,255,255,.12); padding-top:16px;}
.yb-foot__copy a{color:var(--primary-2);}

/* 移动拨号栏 */
.yb-callbar{position:fixed; left:0; right:0; bottom:0; z-index:90; background:var(--primary); display:none;}
.yb-callbar__btn{display:flex; align-items:center; justify-content:center; gap:10px; padding:14px; color:#fff; font-weight:800; font-size:17px;}
.yb-callbar__btn svg{width:22px; height:22px; fill:#fff;}

/* 产品图集展示 */
.yb-showcase{display:grid; grid-template-columns:repeat(3,1fr); gap:18px; margin-top:30px;}
.yb-showcase__item{margin:0;}
.yb-showcase__img{width:100%; height:180px; object-fit:cover; border-radius:12px;}
.yb-showcase__cap{text-align:center; color:var(--muted); font-size:14px; margin-top:8px;}

/* 列表/详情页通用页头 */
.yb-pagehead{background:linear-gradient(135deg,#2E7D5B,#3D7AB0); color:#fff; padding:54px 0 46px;}
.yb-pagehead__inner{max-width:1160px; margin:0 auto; padding:0 20px;}
.yb-pagehead__eyebrow{display:inline-block; background:rgba(255,255,255,.18); padding:6px 16px; border-radius:999px; font-size:13px; letter-spacing:.16em; margin-bottom:14px;}
.yb-pagehead__title{font-size:34px; font-weight:900; color:#fff;}
.yb-pagehead__lead{color:rgba(255,255,255,.88); max-width:680px;}

/* 新闻列表 */
.yb-newslist{display:flex; flex-direction:column; gap:22px;}
.yb-newslist__item{display:grid; grid-template-columns:240px 1fr; gap:24px; background:#fff; border:1px solid var(--line); border-radius:16px; padding:20px; box-shadow:var(--shadow);}
.yb-newslist__media img{width:100%; height:160px; object-fit:cover; border-radius:12px;}
.yb-newslist__title{font-size:20px; font-weight:800;}
.yb-newslist__meta{color:var(--muted); font-size:13px; margin:6px 0 10px;}
.yb-newslist__desc{color:var(--muted);}
.yb-newslist__more{display:inline-block; margin-top:8px; font-weight:700;}
.yb-empty{color:var(--muted); text-align:center; padding:40px 0;}

/* 分页 */
.yb-pager{display:flex; gap:8px; justify-content:center; flex-wrap:wrap; margin-top:30px;}
.yb-pager a,.yb-pager span{padding:8px 14px; border:1px solid var(--line); border-radius:8px; background:#fff; color:var(--ink); font-size:14px;}
.yb-pager .on,.yb-pager a:hover{border-color:var(--primary); background:var(--primary); color:#fff;}

/* 双栏主体（详情页） */
.yb-columns{display:grid; grid-template-columns:1fr 320px; gap:34px; align-items:start;}
.yb-post,.yb-prod{background:#fff; border:1px solid var(--line); border-radius:16px; padding:30px; box-shadow:var(--shadow);}
.yb-post__title{font-size:28px; font-weight:900;}
.yb-post__meta{color:var(--muted); font-size:14px; margin:8px 0 20px; padding-bottom:14px; border-bottom:1px solid var(--line);}
.yb-side{background:#fff; border:1px solid var(--line); border-radius:16px; padding:22px; box-shadow:var(--shadow);}
.yb-side__title{font-size:17px; font-weight:800; margin-bottom:12px;}
.yb-side__item{padding:10px 0; border-bottom:1px dashed var(--line);}
.yb-side__item a{font-weight:600; color:var(--ink);}
.yb-side__item a:hover{color:var(--primary);}
.yb-side__date{display:block; color:var(--muted); font-size:12px;}

/* 产品列表瓷片 */
.yb-prodgrid{display:grid; grid-template-columns:repeat(3,1fr); gap:22px;}
.yb-prodcard{background:#fff; border:1px solid var(--line); border-radius:16px; overflow:hidden; box-shadow:var(--shadow); transition:transform .15s ease;}
.yb-prodcard:hover{transform:translateY(-4px);}
.yb-prodcard__media img{width:100%; height:180px; object-fit:cover;}
.yb-prodcard__body{padding:18px 20px 22px;}
.yb-prodcard__title{font-size:18px; font-weight:800; color:var(--heading);}
.yb-prodcard__desc{color:var(--muted); font-size:14px; margin-top:8px;}
.yb-prodcard__more{display:inline-block; margin-top:12px; font-weight:700; color:var(--primary);}

/* 产品详情 hero */
.yb-prodhero{display:grid; grid-template-columns:1fr 1.1fr; gap:36px; align-items:center; background:linear-gradient(155deg,#EAF4EE,#DCEDE3); border-radius:18px; padding:36px; box-shadow:var(--shadow);}
.yb-prodhero__media img{width:100%; border-radius:14px; box-shadow:var(--shadow);}
.yb-prodhero__kicker{display:inline-block; background:rgba(61,122,176,.14); color:var(--accent); font-weight:700; padding:6px 14px; border-radius:999px; margin-bottom:14px;}
.yb-prodhero__title{font-size:32px; font-weight:900; color:var(--heading);}
.yb-prodhero__desc{color:var(--muted); margin:14px 0 18px;}
.yb-prodhero__list{list-style:none; padding:0; margin:0 0 20px; display:grid; gap:8px;}
.yb-prodhero__list li{display:flex; gap:10px; color:var(--ink);}
.yb-prodhero__list li::before{content:"●"; color:var(--primary); font-size:12px; line-height:1.8;}
.yb-prodhero__cta{display:flex; gap:14px; flex-wrap:wrap;}
.yb-keywords{display:flex; flex-wrap:wrap; gap:8px; margin-top:16px;}
.yb-keywords span{padding:5px 12px; background:#fff; border:1px solid var(--line); border-radius:999px; font-size:13px; color:var(--muted);}

/* 关于页 */
.yb-about-grid{display:grid; grid-template-columns:1.3fr 1fr; gap:36px; align-items:start;}
.yb-about-card{background:#fff; border:1px solid var(--line); border-radius:16px; padding:30px; box-shadow:var(--shadow);}
.yb-about-full{max-height:180px; overflow:hidden; position:relative; transition:max-height .35s ease; color:var(--muted);}
.yb-about-full.yb-about-full--open{max-height:3000px;}
.yb-about-full:not(.yb-about-full--open)::after{content:""; position:absolute; left:0; right:0; bottom:0; height:54px; background:linear-gradient(180deg,rgba(255,255,255,0),#fff);}
.yb-values{display:grid; grid-template-columns:repeat(2,1fr); gap:16px; margin-top:8px;}
.yb-value{padding:18px; border:1px solid var(--line); border-radius:12px; background:var(--bg-alt);}
.yb-value h3{font-size:17px;}
.yb-value p{color:var(--muted); font-size:14px; margin:0;}

/* 联系页 */
.yb-card-title{font-size:17px; font-weight:800; margin:0 0 12px; color:var(--heading);}
.yb-mt{margin-top:14px;}
.yb-contact-grid{display:grid; grid-template-columns:1fr 1fr; gap:36px; align-items:start;}
.yb-contact-card{background:#fff; border:1px solid var(--line); border-radius:16px; padding:30px; box-shadow:var(--shadow);}
.yb-contact-row{padding:12px 0; border-bottom:1px dashed var(--line);}
.yb-contact-row b{color:var(--heading);}
.yb-form label{display:block; font-weight:600; margin:14px 0 6px; color:var(--heading);}
.yb-form input,.yb-form textarea{width:100%; padding:12px 14px; border:1px solid var(--line); border-radius:10px; font:inherit; background:var(--bg);}
.yb-form textarea{min-height:120px; resize:vertical;}

/* 响应式 */
@media (max-width:900px){
  .yb-hero__inner{grid-template-columns:1fr;}
  .yb-hero__art{min-height:240px;}
  .yb-tiles,.yb-pillars,.yb-prodgrid{grid-template-columns:1fr 1fr;}
  .yb-newsgrid,.yb-columns,.yb-about-grid,.yb-contact-grid{grid-template-columns:1fr;}
  .yb-newslist__item{grid-template-columns:1fr;}
  .yb-newslist__media img{height:200px;}
  .yb-prodhero{grid-template-columns:1fr;}
  .yb-foot__cols{grid-template-columns:1fr;}
  .yb-nav,.yb-header__tel{display:none;}
  .yb-burger{display:flex;}
  .yb-callbar{display:block;}
  .yb-sec{padding:48px 0;}
  .yb-sec__title{font-size:24px;}
  .yb-hero__title{font-size:32px;}
}
@media (max-width:560px){
  .yb-tiles,.yb-pillars,.yb-prodgrid{grid-template-columns:1fr;}
  .yb-values{grid-template-columns:1fr;}
}