/* roulang page: index */
:root{
  --primary:#0F9D6F;
  --primary-rgb:15,157,111;
  --primary-dark:#0B7C58;
  --primary-soft:#EAF7F1;
  --primary-softer:#F2FBF7;
  --accent:#F59E0B;
  --accent-soft:#FFF4E2;
  --ink:#1F2937;
  --text-body:#3B4A52;
  --text-soft:#5C6A75;
  --border:#E2E8F0;
  --border-strong:#C9D9D0;
  --bg:#F6F8F7;
  --bg-white:#FFFFFF;
  --dark-bg:#101D19;
  --radius-lg:18px;
  --radius-md:12px;
  --radius-sm:7px;
  --shadow-card:0 2px 14px rgba(25,45,40,.05);
  --shadow-hover:0 18px 36px rgba(25,45,40,.09);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --space-lg:88px;
  --space-md:56px;
}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text-body);
  line-height:1.75;
  font-size:16px;
  overflow-x:hidden;
}
*,*:before,*:after{box-sizing:border-box}
a{color:var(--primary);text-decoration:none;transition:color .2s}
a:hover{color:var(--primary-dark)}
img{max-width:100%;display:block}
h1,h2,h3,h4,h5{color:var(--ink);font-weight:700;line-height:1.3}
.shell,.container{max-width:1240px;width:100%;padding-left:24px;padding-right:24px;margin-left:auto;margin-right:auto}
.section{padding:var(--space-lg) 0}
.text-muted-soft{color:var(--text-soft)}

/* 按钮 */
.btn{border-radius:var(--radius-md);padding:.68rem 1.35rem;font-weight:600;font-size:15px;border:1px solid transparent;transition:all .22s ease}
.btn:focus{box-shadow:0 0 0 .25rem rgba(var(--primary-rgb),.15)}
.btn-accent{background:var(--primary);border-color:var(--primary);color:#fff}
.btn-accent:hover,.btn-accent:focus{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;transform:translateY(-2px)}
.btn-outline-accent{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-outline-accent:hover{background:var(--primary-soft);color:var(--primary-dark)}
.btn-soft{background:var(--primary-soft);border-color:transparent;color:var(--primary-dark)}
.btn-soft:hover{background:#D7F0E4;color:var(--primary-dark)}

/* 徽章 */
.badge-free{background:var(--primary);color:#fff;font-weight:600;border-radius:999px;padding:.35em .8em;font-size:12.5px}
.badge-hot{background:var(--accent-soft);color:#B45309;font-weight:600;border-radius:999px;padding:.35em .8em;font-size:12.5px}
.badge-outline{border:1px solid var(--border-strong);color:#45535B;background:#fff;font-weight:600;border-radius:999px;padding:.32em .75em;font-size:12px}

/* 头部共用 */
.site-header{position:fixed;left:0;right:0;top:0;background:rgba(255,255,255,.96);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);z-index:1020;box-shadow:0 1px 0 rgba(0,0,0,.06);transition:box-shadow .3s}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(23,45,38,.07)}
.header-utility{background:var(--dark-bg);color:rgba(255,255,255,.82);font-size:13px;height:36px;overflow:hidden}
.header-utility-inner{display:flex;justify-content:space-between;align-items:center;height:36px;gap:14px}
.header-main{border-bottom:1px solid #EDF1EF;background:rgba(255,255,255,.9);transition:padding .3s}
.header-main-inner{display:flex;align-items:center;gap:18px;padding-top:.6rem;padding-bottom:.6rem;position:relative}
.brand-logo{font-size:1.4rem;font-weight:800;color:var(--primary-dark);letter-spacing:-.02em;white-space:nowrap;transition:font-size .2s}
.brand-logo i{color:var(--primary);font-style:normal}
.header-search{flex:1 1 auto;max-width:520px;margin-left:auto;margin-right:auto;position:relative}
.header-search .fa-magnifying-glass{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:#9AA7B0;font-size:.9rem}
.header-search input{background:#F4F7F5;border:1px solid transparent;border-radius:999px;height:42px;padding-left:38px;padding-right:110px;width:100%;font-size:14px;transition:border-color .2s,background .2s}
.header-search input:focus{outline:none;background:#fff;border-color:var(--primary);box-shadow:0 0 0 4px rgba(var(--primary-rgb),.09)}
.header-search button{position:absolute;right:5px;top:5px;height:32px;border:0;border-radius:999px;background:var(--primary);color:#fff;padding:0 18px;font-size:13px;cursor:pointer;transition:background .2s}
.header-search button:hover{background:var(--primary-dark)}
.header-actions{display:flex;align-items:center;gap:10px;justify-content:flex-end}
.site-header .channel-nav{background:#fff;border-bottom:1px solid #EEF2F0;transition:opacity .2s}
.is-scrolled .channel-nav{border-bottom-color:transparent}
.channel-inner{display:flex;justify-content:space-between;align-items:center;min-height:48px}
.channel-menu{display:flex;gap:4px;align-items:center}
.channel-link{color:var(--text-body);font-weight:500;font-size:15px;padding:6px 12px;border-radius:999px;position:relative}
.channel-link:hover{color:var(--primary-dark);background:var(--primary-softer)}
.channel-link.active{color:var(--primary-dark);background:var(--primary-soft);font-weight:600}
.channel-side{margin-left:auto;display:flex;align-items:center;gap:12px}
.channel-update{display:inline-block;color:var(--primary-dark);font-size:13px;font-weight:600;background:var(--primary-soft);border-radius:999px;padding:7px 14px}
.header-spacer{width:100%;background:var(--bg)}
.navbar-toggler{display:none;border:none;background:transparent;font-size:1.4rem;color:var(--ink);padding:.2rem .5rem;border-radius:10px}
.navbar-toggler:hover{background:var(--primary-soft)}
.mobile-nav{background:#fff;border-top:1px solid var(--border);padding:10px 24px 16px}
.mobile-nav a{display:block;padding:11px 8px;border-radius:10px;color:var(--text-body);font-weight:500}
.mobile-nav a:hover{background:var(--primary-soft)}
.mobile-nav a.active{color:var(--primary-dark);background:var(--primary-soft);font-weight:700}

/* 分类页 hero */
.category-hero{
  background-image:url('/assets/images/backpic/back-3.jpg');
  background-position:center;
  background-size:cover;
  position:relative;
  padding:68px 0 78px;
}
.category-hero:before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(104deg,rgba(8,26,18,.96) 10%,rgba(12,45,33,.9) 65%,rgba(15,157,111,.55) 120%);
}
.category-hero-content{position:relative;z-index:2;max-width:860px}
.category-hero h1{color:#fff;font-size:clamp(1.9rem,3.8vw,3rem);font-weight:800;line-height:1.28;margin-top:18px;margin-bottom:16px}
.category-hero p{color:rgba(255,255,255,.85);max-width:720px;font-size:16px}
.category-hero .crumb{color:rgba(255,255,255,.7);font-size:13px;display:flex;gap:8px;flex-wrap:wrap}
.category-hero .crumb a{color:#BCEBD8}
.category-hero .crumb a:hover{color:#fff;text-decoration:underline}

/* 筛选色条 */
.filter-strip{
  background:#fff;
  border:1px solid var(--border);
  border-radius:16px;
  padding:14px 18px;
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  align-items:center;
  margin-bottom:30px;
}
.filter-chip{
  border-radius:999px;
  background:var(--bg);
  border:1px solid transparent;
  padding:8px 16px;
  font-size:14px;
  color:var(--text-body);
  font-weight:500;
}
.filter-chip:hover{color:var(--primary-dark);background:var(--primary-soft)}
.filter-chip.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.sort-tip{margin-left:auto;color:var(--text-soft);font-size:13px}

/* 资源卡片 */
.r-card{
  background:#fff;
  border:1px solid #E8EFEB;
  border-radius:16px;
  overflow:hidden;
  transition:transform .25s,box-shadow .25s;
  height:100%;
  display:flex;
  flex-direction:column;
}
.r-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.r-card-thumb{position:relative;aspect-ratio:16/9;background:#EAF3EE;overflow:hidden}
.r-card-thumb img{width:100%;height:100%;object-fit:cover}
.r-card-thumb .badge-free{position:absolute;left:12px;top:12px}
.r-card-thumb .badge-hot{position:absolute;right:12px;top:12px}
.r-card-body{padding:18px 16px 18px;display:flex;flex-direction:column;flex:1}
.r-card-meta{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.tag-light{background:var(--primary-softer);color:var(--primary-dark);border-radius:6px;padding:4px 9px;font-size:12px;font-weight:600}
.r-card-body h3{font-size:16px;font-weight:700;margin:10px 0 6px;line-height:1.45}
.r-card-body p{font-size:13.5px;color:var(--text-soft);margin-bottom:12px;flex:1}
.r-card-foot{display:flex;align-items:center;justify-content:space-between;border-top:1px solid #F0F4F2;padding-top:12px;flex-wrap:wrap;gap:8px}
.r-file-type{font-size:12px;color:#7D9992}
.r-more{font-size:13px;font-weight:600;color:var(--primary);}
.r-more:hover{color:var(--primary-dark)}

/* 侧栏卡 */
.side-card{background:#fff;border-radius:16px;border:1px solid #E8EFEB;padding:22px;box-shadow:var(--shadow-card)}
.side-card h3{font-size:16px;font-weight:700;margin-bottom:12px}
.side-card .hot-item{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid #F0F4F2;align-items:baseline}
.side-card .hot-item:last-child{border-bottom:0}
.side-card .hot-order{color:var(--primary);font-weight:800;font-size:15px;width:22px;flex-shrink:0}
.side-card .hot-item a{font-size:14px;font-weight:600;color:var(--ink)}
.side-card .hot-item a:hover{color:var(--primary)}
.side-card small{display:block;color:var(--text-soft);font-size:12px;margin-left:34px;margin-top:-4px}

/* 相关分类 */
.rel-card{
  background:#fff;
  border:1px solid #E7EDE9;
  border-radius:var(--radius-md);
  padding:18px 16px;
  display:block;
  transition:box-shadow .2s,transform .2s;
  height:100%;
}
.rel-card:hover{box-shadow:var(--shadow-card);transform:translateY(-2px);color:inherit}
.rel-card h4{font-size:15px;font-weight:700;margin-bottom:8px}
.rel-card p{font-size:13px;color:var(--text-soft);margin:0}

/* FAQ */
.accordion-item{background:#fff;border:1px solid #E7EEEA !important;border-radius:14px !important;margin-bottom:12px;overflow:hidden}
.accordion-button{font-weight:700;color:var(--ink) !important;background:#fff;padding:18px 22px;font-size:15.5px}
.accordion-button:not(.collapsed){background:var(--primary-softer);color:var(--primary-dark) !important;box-shadow:none}
.accordion-button:focus{box-shadow:0 0 0 .2rem rgba(var(--primary-rgb),.1)}
.accordion-body{padding:6px 22px 20px;color:var(--text-soft);font-size:14.5px;line-height:1.85}
.faq-wrap{max-width:900px;margin:0 auto}

/* CTA条 */
.cta-banner{background:var(--dark-bg);border-radius:var(--radius-lg);padding:40px 34px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:22px;background-image:url('/assets/images/backpic/back-4.jpg');background-size:cover;background-position:center;position:relative;overflow:hidden}
.cta-banner:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,25,18,.96),rgba(7,25,18,.72))}
.cta-banner *{position:relative;z-index:2}
.cta-banner h2{color:#fff}
.cta-banner p{color:rgba(255,255,255,.78);max-width:560px}

/* 页脚 */
.main-footer{background:#101D19;color:rgba(255,255,255,.74);padding:62px 0 0;font-size:14px}
.footer-brand{color:#fff;font-size:1.35rem;font-weight:800}
.footer-brand i{color:#7FE0BA;font-style:normal}
.main-footer h5{color:#fff;font-size:15px;font-weight:700;margin-bottom:17px}
.footer-links li{margin-bottom:7px;list-style:none}
.footer-links a{color:rgba(255,255,255,.68);font-size:14px}
.footer-links a:hover{color:#fff}
.footer-note{padding:34px 0;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-bottom{padding:18px 0;font-size:13px;color:rgba(255,255,255,.5);border-top:1px solid rgba(255,255,255,.09);margin-top:34px}
.page-up-btn{position:fixed;right:22px;bottom:24px;width:44px;height:44px;background:#fff;color:var(--primary-dark);border:1px solid #DDE8E1;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 18px rgba(0,0,0,.1);z-index:900;transition:background .2s,transform .2s}
.page-up-btn:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}

@media(max-width:991.98px){
  .header-utility-inner .hide-sm{display:none}
  .channel-nav{display:none}
  .header-main{border-bottom:none}
  .navbar-toggler{display:inline-flex}
  .header-search{display:none}
  .header-actions .btn{display:none}
  .category-hero{padding:40px 0 50px}
}
@media(max-width:767.98px){
  .section{padding:var(--space-md) 0}
  .brand-logo{font-size:1.15rem}
  .category-hero h1{font-size:1.8rem}
  .cta-banner{padding:32px 22px}
  .cta-banner .btn{width:100%}
  .sort-tip{width:100%;margin-left:0}
}

/* roulang page: category1 */
:root{
 --primary:#0F9D6F;
 --primary-rgb:15,157,111;
 --primary-dark:#0B7C58;
 --primary-soft:#EAF7F1;
 --primary-softer:#F2FBF7;
 --accent:#F59E0B;
 --accent-soft:#FFF4E2;
 --ink:#1F2937;
 --text-body:#3B4A52;
 --text-soft:#5C6A75;
 --border:#E2E8F0;
 --border-strong:#C9D9D0;
 --bg:#F6F8F7;
 --bg-white:#FFFFFF;
 --dark-bg:#101D19;
 --radius-lg:18px;
 --radius-md:12px;
 --radius-sm:7px;
 --shadow-card:0 2px 14px rgba(25,45,40,.05);
 --shadow-hover:0 18px 36px rgba(25,45,40,.09);
 --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
 --space-lg:88px;
 --space-md:56px;
}
html{scroll-behavior:smooth}
body{
 font-family:var(--font);
 background:var(--bg);
 color:var(--text-body);
 line-height:1.75;
 font-size:16px;
 overflow-x:hidden;
}
body.no-scroll{overflow:hidden}
a{color:var(--primary);text-decoration:none;transition:color .2s}
a:hover{color:var(--primary-dark)}
img{max-width:100%;height:auto;display:block}
button{border:0;background:none;cursor:pointer}
.shell,.container{max-width:1240px;width:100%;padding-left:24px;padding-right:24px;margin-left:auto;margin-right:auto}
.section{padding:var(--space-lg) 0}
.section-sm{padding:48px 0}
.text-muted-soft{color:var(--text-soft)}
.bg-soft{background:var(--primary-softer)}
.bg-white-section{background:#fff}
:focus-visible{outline:3px solid rgba(var(--primary-rgb),.4);outline-offset:2px;border-radius:6px}

.btn{border-radius:var(--radius-md);padding:.68rem 1.35rem;font-weight:600;font-size:15px;border:1px solid transparent;transition:all .22s ease}
.btn:focus{box-shadow:0 0 0 .25rem rgba(var(--primary-rgb),.15)}
.btn-accent{background:var(--primary);border-color:var(--primary);color:#fff}
.btn-accent:hover,.btn-accent:focus{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;transform:translateY(-2px)}
.btn-outline-accent{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-outline-accent:hover{background:var(--primary-soft);color:var(--primary-dark)}
.btn-soft{background:var(--primary-soft);border-color:transparent;color:var(--primary-dark)}
.btn-soft:hover{background:#D7F0E4;color:var(--primary-dark)}
.btn-light-accent{background:#fff;border-color:#fff;color:var(--primary-dark)}
.btn-light-accent:hover{background:var(--primary-soft);color:var(--primary-dark);transform:translateY(-2px)}

.badge-free{background:var(--primary);color:#fff;font-weight:600;border-radius:999px;padding:.35em .8em;font-size:12.5px;display:inline-block}
.badge-hot{background:var(--accent-soft);color:#B45309;font-weight:600;border-radius:999px;padding:.35em .8em;font-size:12.5px;display:inline-block}
.badge-outline{border:1px solid var(--border-strong);color:#45535B;background:#fff;font-weight:600;border-radius:999px;padding:.32em .75em;font-size:12px;display:inline-block}

.site-header{position:fixed;left:0;right:0;top:0;z-index:1030;background:rgba(255,255,255,.96);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-shadow:0 1px 0 rgba(0,0,0,.06);transition:box-shadow .3s}
.site-header.is-scrolled{box-shadow:0 10px 30px rgba(18,42,32,.1)}
.header-utility{background:var(--dark-bg);color:rgba(255,255,255,.82);font-size:13px;max-height:38px;overflow:hidden;opacity:1;transition:max-height .32s ease,opacity .2s}
.header-utility-inner{display:flex;justify-content:space-between;align-items:center;height:38px;gap:14px}
.header-utility .fw-semibold{color:#CFF6E6}
.header-main{border-bottom:1px solid #EDF1EF;background:rgba(255,255,255,.92);max-height:120px;overflow:hidden;opacity:1;transition:max-height .32s ease,opacity .2s}
.header-main-inner{display:flex;align-items:center;gap:18px;padding-top:.6rem;padding-bottom:.6rem;position:relative}
.brand-logo{font-size:1.45rem;font-weight:800;color:var(--primary-dark);letter-spacing:-.02em;white-space:nowrap;transition:font-size .2s}
.brand-logo i{color:var(--primary);font-style:normal}
.header-search{flex:1 1 auto;max-width:500px;margin-left:auto;margin-right:auto;position:relative}
.header-search .fa-magnifying-glass{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:#9AA7B0;font-size:.9rem}
.header-search input{background:#F4F7F5;border:1px solid transparent;border-radius:999px;height:42px;padding-left:38px;padding-right:110px;width:100%;font-size:14px;transition:border-color .2s,background .2s;color:var(--ink)}
.header-search input:focus{outline:none;background:#fff;border-color:var(--primary);box-shadow:0 0 0 4px rgba(var(--primary-rgb),.09)}
.header-search button{position:absolute;right:5px;top:5px;height:32px;border:0;border-radius:999px;background:var(--primary);color:#fff;padding:0 18px;font-size:13px;transition:background .2s}
.header-search button:hover{background:var(--primary-dark)}
.header-actions{display:flex;align-items:center;gap:10px;justify-content:flex-end}
.channel-nav{background:rgba(255,255,255,.95);border-bottom:1px solid #EEF2F0}
.channel-menu{display:flex;gap:4px;align-items:center;min-height:50px;flex-wrap:nowrap}
.channel-link{display:inline-flex;align-items:center;padding:.55rem .9rem;font-size:15px;font-weight:600;color:var(--text-body);border-radius:var(--radius-md);white-space:nowrap}
.channel-link:hover{color:var(--primary-dark);background:var(--primary-soft)}
.channel-link.active{color:#fff;background:var(--primary);box-shadow:0 5px 14px rgba(var(--primary-rgb),.22)}
.mini-logo{display:none;font-size:1.2rem;font-weight:800;color:var(--primary-dark);white-space:nowrap;margin-right:16px;padding:0}
.mini-logo i{color:var(--primary);font-style:normal}
.is-scrolled .header-utility{max-height:0;opacity:0}
.is-scrolled .header-main{max-height:0;opacity:0}
.is-scrolled .channel-nav{background:rgba(255,255,255,.9);box-shadow:0 6px 18px rgba(16,29,25,.06)}
.is-scrolled .mini-logo{display:inline-flex;align-items:center}
.navbar-toggler{display:none;border:none;background:transparent;font-size:1.4rem;color:var(--ink);padding:.35rem .6rem;border-radius:10px}
.navbar-toggler:hover{background:var(--primary-soft)}
.mobile-nav{display:none;background:#fff;border-top:1px solid var(--border);margin-top:0}
.mobile-nav a{display:block;padding:12px 8px;border-radius:10px;color:var(--text-body);font-weight:600;font-size:15px}
.mobile-nav a:hover{background:var(--primary-soft)}
.mobile-nav a.active{background:var(--primary);color:#fff}
@media (min-width:992px){
 .mobile-nav,.mobile-nav.open{display:none!important}
}

.category-hero{
 background-image:url('/assets/images/backpic/back-2.jpg');
 background-position:center;
 background-size:cover;
 background-repeat:no-repeat;
 position:relative;
 padding:192px 0 88px;
}
.category-hero:before{
 content:"";position:absolute;inset:0;
 background:linear-gradient(104deg,rgba(6,24,17,.97) 8%,rgba(10,42,31,.92) 64%,rgba(15,157,111,.62) 130%);
}
.category-hero .category-hero-content{position:relative;z-index:2}
.crumb{color:rgba(255,255,255,.68);font-size:13px;display:flex;gap:6px;flex-wrap:wrap;margin-bottom:18px;align-items:center}
.crumb a{color:#BCEBD8}
.crumb a:hover{color:#fff;text-decoration:underline}
.hero-flag{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);color:#fff;font-size:13px;font-weight:600;border-radius:999px;padding:7px 16px;backdrop-filter:blur(6px)}
.category-hero h1{color:#fff;font-size:clamp(2rem,4.1vw,3.2rem);font-weight:800;line-height:1.26;letter-spacing:-.01em;margin:20px 0 18px;max-width:900px}
.category-hero h1 span{color:#69DDB2}
.category-hero .hero-desc{color:rgba(255,255,255,.86);font-size:16.5px;max-width:760px;margin-bottom:26px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-data{display:flex;gap:36px;flex-wrap:wrap;margin-top:40px;padding-top:26px;border-top:1px solid rgba(255,255,255,.16)}
.hero-data .hd-title{font-size:13px;color:rgba(255,255,255,.62);line-height:1.5}
.hero-data .hd-num{font-size:24px;font-weight:800;color:#fff;letter-spacing:-.01em}
.hero-data .hd-num em{font-style:normal;color:#6FDCB0}

.filterbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:26px}
.filter-chip{border-radius:999px;background:rgba(255,255,255,.96);border:1px solid var(--border);padding:8px 18px;font-size:14px;color:var(--text-body);font-weight:600;display:inline-flex;align-items:center;gap:7px;transition:all .2s}
.filter-chip:hover{color:var(--primary-dark);background:var(--primary-soft);border-color:var(--primary)}
.filter-chip.active{background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:0 8px 18px rgba(var(--primary-rgb),.24)}

.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:26px;margin-bottom:46px;flex-wrap:wrap}
.section-head .kicker{color:var(--primary);font-weight:700;letter-spacing:.04em;font-size:14px;margin-bottom:8px;text-transform:uppercase}
.section-head h2{color:var(--ink);font-size:clamp(1.55rem,2.3vw,2.15rem);font-weight:800;line-height:1.3;margin:0;letter-spacing:-.02em}
.section-head p{color:var(--text-soft);max-width:600px;margin:8px 0 0}
.section-head .more-link{font-weight:600;white-space:nowrap;color:var(--primary)}
.section-head .more-link:hover{color:var(--primary-dark)}

.feature-card{border-radius:var(--radius-lg);background:#fff;border:1px solid var(--border)}
.reason-block{padding:34px;height:100%;background:#fff;border:1px solid #EDF1EF;border-radius:var(--radius-lg);box-shadow:var(--shadow-card);transition:transform .25s,box-shadow .25s}
.reason-block:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.reason-block .reason-icon{width:46px;height:46px;display:inline-flex;align-items:center;justify-content:center;background:var(--primary-soft);color:var(--primary-dark);border-radius:12px;font-size:1.2rem;margin-bottom:16px}
.reason-block h3{font-size:18px;font-weight:700;color:var(--ink);margin-bottom:10px}
.reason-block p{color:var(--text-soft);margin:0;font-size:14.5px}
.reason-note{border-left:3px solid var(--accent);background:var(--accent-soft);border-radius:0 var(--radius-md) var(--radius-md) 0;padding:14px 18px;font-size:14.5px;color:#8A4C0A;margin-top:18px}

.map-image-card{position:relative;border-radius:var(--radius-lg);overflow:hidden;background-size:cover;background-position:center;min-height:270px;border:1px solid var(--border);box-shadow:var(--shadow-card);transition:transform .25s,box-shadow .25s;display:flex;align-items:flex-end}
.map-image-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.map-image-card .overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,27,20,.05) 20%,rgba(6,22,16,.76) 95%);transition:background .25s}
.map-image-card:hover .overlay{background:linear-gradient(180deg,rgba(8,27,20,.35) 20%,rgba(6,22,16,.82) 95%)}
.map-image-card .map-content{position:relative;padding:24px;width:100%;color:#fff}
.map-image-card .map-content .tag-row{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:10px}
.map-image-card .map-content h3{font-size:20px;font-weight:800;margin-bottom:6px}
.map-image-card .map-content p{color:rgba(255,255,255,.78);font-size:14px;max-width:430px;margin:0}
.map-image-card .map-link{display:inline-flex;align-items:center;gap:6px;color:#9CF0CB;font-weight:600;font-size:14px;margin-top:12px}
.map-image-card .map-link i{transition:transform .2s}
.map-image-card:hover .map-link i{transform:translateX(4px)}

.resource-card{background:#fff;border:1px solid #E8EFEB;border-radius:16px;overflow:hidden;height:100%;display:flex;flex-direction:column;transition:transform .24s,box-shadow .24s;box-shadow:var(--shadow-card)}
.resource-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.resource-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--primary-soft)}
.resource-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.resource-card:hover .resource-media img{transform:scale(1.04)}
.resource-media .media-badge{position:absolute;left:12px;top:12px;z-index:2;display:flex;gap:6px}
.resource-body{display:flex;flex-direction:column;padding:22px;flex:1}
.resource-type{color:var(--primary);font-size:12.5px;font-weight:700;letter-spacing:.03em;margin-bottom:6px}
.resource-body h3{font-size:17.5px;font-weight:800;color:var(--ink);line-height:1.45;margin-bottom:9px}
.resource-body h3 a{color:inherit}
.resource-body h3 a:hover{color:var(--primary-dark)}
.resource-body p{font-size:14px;color:var(--text-soft);flex:1;margin-bottom:16px;line-height:1.7}
.resource-meta{border-top:1px solid #EDF1EF;padding-top:14px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.file-tag{background:#F2F5F3;color:#45535B;font-size:12px;font-weight:700;border-radius:7px;padding:4px 9px;display:inline-flex;align-items:center;gap:5px}
.resource-meta .badge-free{margin-left:auto}

.scene-item{display:flex;gap:24px;align-items:center;background:#fff;border:1px solid #EDF1EF;border-radius:var(--radius-lg);padding:24px;height:100%;box-shadow:var(--shadow-card);transition:box-shadow .25s,transform .25s}
.scene-item:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.scene-img{flex-shrink:0;width:96px;height:96px;object-fit:cover;border-radius:22px}
.scene-body h3{font-size:17px;font-weight:800;color:var(--ink);margin-bottom:7px}
.scene-body p{font-size:14.5px;color:var(--text-soft);margin-bottom:11px}
.scene-tags{display:flex;flex-wrap:wrap;gap:6px}
.scene-tags .scene-tag{background:var(--primary-softer);color:var(--primary-dark);border:1px solid #DDF2E7;font-size:12.5px;font-weight:600;padding:3px 10px;border-radius:999px}

.guide-step{position:relative;padding-left:0;height:100%}
.guide-step .step-no{width:46px;height:46px;border-radius:14px;background:var(--primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:19px;font-weight:800;margin-bottom:17px;box-shadow:0 8px 20px rgba(var(--primary-rgb),.28)}
.guide-step h3{font-size:17px;font-weight:800;color:var(--ink);margin-bottom:8px}
.guide-step p{font-size:14.5px;color:var(--text-soft);margin:0}
.guide-step + .guide-step{border-left:1px dashed #D3E7DC;border-radius:0;margin-left:0;padding-left:26px}
.guide-step .step-tip{display:inline-flex;gap:6px;font-size:13px;color:#B45309;background:var(--accent-soft);border-radius:999px;padding:5px 12px;margin-top:13px}
@media (max-width:767px){
 .guide-step + .guide-step{margin-top:26px;padding-left:0}
}

.cta-band{position:relative;border-radius:24px;overflow:hidden;background:#101D19;padding:60px 0}
.cta-band:before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-4.jpg') center/cover no-repeat;opacity:.35}
.cta-band .cta-inner{position:relative;z-index:2}
.cta-band h2{font-size:clamp(1.6rem,2.8vw,2.3rem);font-weight:800;color:#fff;margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.75);max-width:680px;margin-bottom:26px}

.faq-shell{max-width:930px}
.accordion-item{border:1px solid var(--border);border-radius:var(--radius-md)!important;margin-bottom:12px;overflow:hidden;background:#fff}
.accordion-item .accordion-button{font-size:16px;font-weight:700;color:var(--ink);background:#fff;padding:19px 22px;box-shadow:none;font-family:var(--font)}
.accordion-item .accordion-button:not(.collapsed){color:var(--primary-dark);background:var(--primary-softer);box-shadow:none}
.accordion-item .accordion-button:focus{box-shadow:none;border-color:transparent}
.accordion-button i{width:21px;color:var(--primary);font-size:15px}
.accordion-button:after{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230B7C58'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");background-size:14px}
.accordion-body{padding:8px 22px 22px;color:var(--text-body);font-size:15px}
.accordion-body p{margin-bottom:8px}
.accordion-body .ai-note{background:var(--primary-softer);border-radius:10px;padding:10px 14px;font-size:14px;color:var(--primary-dark);margin-top:8px}

.unified-cta{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:44px 46px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;box-shadow:var(--shadow-card)}
.unified-cta h2{font-size:clamp(1.3rem,2vw,1.9rem);font-weight:800;color:var(--ink);margin-bottom:5px}
.unified-cta p{color:var(--text-soft);margin:0}

.main-footer{background:var(--dark-bg);padding:70px 0 26px;margin-top:0}
.footer-brand{font-size:1.5rem;font-weight:800;color:#fff}
.footer-brand i{color:#54D6A3;font-style:normal}
.main-footer h5{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px}
.footer-links li{list-style:none;margin-bottom:10px;font-size:14px}
.footer-links a{color:rgba(255,255,255,.62);transition:color .2s;padding-left:0}
.footer-links a:hover{color:#B9F0D9;padding-left:4px}
.footer-note{padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;color:rgba(255,255,255,.5);font-size:13px;padding-top:28px}
.page-up-btn{position:fixed;right:22px;bottom:26px;width:48px;height:48px;border-radius:16px;background:var(--primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;z-index:999;font-size:1.05rem;box-shadow:0 10px 24px rgba(15,157,111,.35);transition:background .25s,transform .25s}
.page-up-btn:hover{background:var(--primary-dark);color:#fff;transform:translateY(-3px)}

@media (max-width:1199px){
 .header-search{max-width:360px}
 .section{padding:72px 0}
}
@media (max-width:991px){
 .section{padding:64px 0}
 .category-hero{padding:150px 0 68px}
 .header-actions .btn-soft,.header-actions .btn-accent{display:none!important}
 .navbar-toggler{display:block}
 .channel-nav{display:none}
}
@media (max-width:767px){
 .section{padding:56px 0}
 .category-hero{padding:126px 0 56px}
 .hero-data{gap:24px}
 .hero-actions .btn{width:100%;justify-content:center}
 .category-hero .hero-desc{font-size:15px}
 .reason-block{padding:24px}
 .scene-item{padding:18px}
 .scene-img{width:74px;height:74px;border-radius:16px}
 .section-head{margin-bottom:32px}
 .unified-cta{padding:28px 22px}
 .main-footer{padding:48px 0 20px}
 .page-up-btn{right:14px;bottom:18px;width:42px;height:42px}
 .resource-body{padding:18px}
}
@media (max-width:520px){
 .header-main-inner{gap:8px}
 .brand-logo{font-size:1.2rem}
 .header-search{display:none!important}
 .category-hero h1{font-size:1.75rem}
 .guide-step .step-no{width:42px;height:42px;font-size:17px}
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}