/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --c-deep:#0B2A22;
  --c-deep-2:#104035;
  --c-primary:#0E7C5A;
  --c-primary-600:#0A6B4C;
  --c-primary-100:#DCEFE6;
  --c-accent:#F2612A;
  --c-accent-600:#D94E1B;
  --c-accent-100:#FDE7DC;
  --c-bg:#F7F5F0;
  --c-bg-alt:#EEF2EC;
  --c-surface:#FFFFFF;
  --c-ink:#15211C;
  --c-ink-2:#4E5B54;
  --c-ink-3:#7C8880;
  --c-line:#DCE2DA;
  --c-glass:rgba(255,255,255,.16);
  --c-glass-line:rgba(255,255,255,.30);
  --r-card:18px;
  --r-sm:14px;
  --r-btn:12px;
  --r-input:12px;
  --r-img:16px;
  --r-badge:6px;
  --r-glass:20px;
  --sh-sm:0 1px 2px rgba(11,42,34,.06);
  --sh-md:0 8px 24px rgba(11,42,34,.08);
  --sh-lg:0 18px 48px rgba(11,42,34,.12);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-num:"Barlow Semi Condensed","DIN Alternate",ui-monospace,monospace;
  --maxw:1200px;
  --nav-h:72px;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-accent);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
input,select,textarea{font-family:inherit;font-size:16px;color:var(--c-ink);}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
::selection{background:var(--c-accent-100);color:var(--c-deep);}

/* Foundation 覆盖 */
.grid-x{margin-left:-12px;margin-right:-12px;}
.grid-x>.cell{padding-left:12px;padding-right:12px;}
.row{max-width:none;margin:0;}
[type=text],[type=email],[type=tel],select,textarea{border-radius:var(--r-input);box-shadow:none;}

/* ============ 容器与区块 ============ */
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}
@media (min-width:1280px){:root{--maxw:1320px;}}
.section{padding:96px 0;position:relative;}
.section--alt{background:var(--c-bg-alt);}
.section--white{background:var(--c-surface);}
.section--deep{background:var(--c-deep);color:#fff;}
.sec-head{max-width:760px;margin-bottom:48px;}
.sec-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--c-primary);text-transform:uppercase;
  padding:6px 12px;background:var(--c-primary-100);border-radius:999px;margin-bottom:18px;
}
.sec-kicker i{font-size:12px;color:var(--c-accent);}
h2.sec-title{
  font-size:34px;line-height:1.35;letter-spacing:-.01em;font-weight:700;color:var(--c-ink);
}
h2.sec-title .hl{color:var(--c-primary);}
.sec-sub{margin-top:16px;font-size:16px;color:var(--c-ink-2);line-height:1.85;}
.section--deep h2.sec-title,.section--deep .sec-sub{color:#fff;}
.section--deep .sec-sub{color:rgba(255,255,255,.72);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;letter-spacing:.02em;
  transition:transform .25s ease,background-color .25s ease,color .25s ease,box-shadow .25s ease,border-color .25s ease;
  white-space:nowrap;
}
.btn i{font-size:14px;transition:transform .25s ease;}
.btn--primary{background:var(--c-accent);color:#fff;border-radius:999px;box-shadow:var(--sh-sm);}
.btn--primary:hover{background:var(--c-accent-600);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-md);}
.btn--primary:active{transform:translateY(0);}
.btn--ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.7);border-radius:999px;}
.btn--ghost:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px);}
.btn--outline{background:transparent;color:var(--c-primary);border:1px solid var(--c-primary);border-radius:999px;}
.btn--outline:hover{background:var(--c-primary-100);color:var(--c-primary-600);transform:translateY(-2px);}
.btn--block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none!important;box-shadow:none!important;}

/* 文字链接 */
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);}
.link-arrow i{transition:transform .25s ease;}
.link-arrow:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:4px;}
.link-arrow:hover i{transform:translateX(4px);}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:200;
  background:var(--c-glass);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  backdrop-filter:blur(14px) saturate(160%);
  border-bottom:1px solid var(--c-glass-line);
  transition:background-color .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header.is-stuck{
  background:var(--c-deep);
  -webkit-backdrop-filter:none;backdrop-filter:none;
  border-bottom-color:rgba(255,255,255,.10);
  box-shadow:var(--sh-md);
}
.nav-inner{
  height:var(--nav-h);
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:18px;letter-spacing:.01em;}
.brand:hover{color:#fff;}
.brand__mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--c-primary),#12A175);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 14px rgba(11,42,34,.35);
}
.brand__mark i{color:#fff;font-size:15px;}
.brand__text{white-space:nowrap;}
.nav-menu{display:flex;align-items:center;gap:32px;}
.nav-menu a{
  position:relative;color:rgba(255,255,255,.88);font-size:15px;font-weight:500;padding:6px 0;
}
.nav-menu a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--c-accent);transition:width .2s ease;
}
.nav-menu a:hover{color:#fff;}
.nav-menu a:hover::after,.nav-menu a.is-active::after{width:100%;}
.nav-menu a.is-active{color:#fff;font-weight:600;}
.nav-actions{display:flex;align-items:center;gap:14px;}
.nav-search{
  width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  color:#fff;border:1px solid rgba(255,255,255,.28);transition:background-color .25s ease,border-color .25s ease;
}
.nav-search:hover{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.5);}
.nav-cta{padding:11px 20px;font-size:14px;}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;color:#fff;
  border:1px solid rgba(255,255,255,.28);align-items:center;justify-content:center;
}
.nav-toggle:hover{background:rgba(255,255,255,.14);}

/* 移动抽屉 */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:82%;max-width:340px;z-index:300;
  background:var(--c-deep);padding:24px 22px;
  transform:translateX(102%);transition:transform .32s ease;
  display:flex;flex-direction:column;
}
.drawer.is-open{transform:translateX(0);}
.drawer__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;}
.drawer__close{width:36px;height:36px;border-radius:50%;color:#fff;background:rgba(255,255,255,.10);display:flex;align-items:center;justify-content:center;}
.drawer__close:hover{background:rgba(255,255,255,.2);}
.drawer a.drawer__link{
  display:block;color:rgba(255,255,255,.86);font-size:17px;line-height:56px;
  border-bottom:1px solid rgba(255,255,255,.10);
}
.drawer a.drawer__link:hover,.drawer a.drawer__link.is-active{color:#fff;padding-left:6px;}
.drawer .btn{margin-top:24px;}
.scrim{
  position:fixed;inset:0;background:rgba(11,42,34,.55);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:250;
}
.scrim.is-open{opacity:1;visibility:visible;}

/* ============ Hero ============ */
.hero{
  position:relative;isolation:isolate;color:#fff;
  padding:calc(var(--nav-h) + 96px) 0 104px;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(100deg,rgba(11,42,34,.86),rgba(11,42,34,.45));
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:120px;z-index:-1;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.06) 0 1px,transparent 1px 18px);
  pointer-events:none;
}
.hero__inner{max-width:720px;}
.hero__tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;
  background:var(--c-glass);border:1px solid var(--c-glass-line);
  font-size:13px;font-weight:600;letter-spacing:.06em;color:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}
.hero__tag i{color:var(--c-accent);font-size:11px;}
.hero h1{
  margin-top:22px;
  font-size:46px;line-height:1.28;letter-spacing:-.01em;font-weight:700;color:#fff;
}
.hero h1 .hl{color:#FFD9C8;}
.hero__sub{margin-top:20px;font-size:18px;line-height:1.7;color:rgba(255,255,255,.86);max-width:600px;}
.hero__btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero__trust{display:flex;flex-wrap:wrap;gap:12px;margin-top:38px;}
.trust-item{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:999px;font-size:13px;color:rgba(255,255,255,.9);
  background:var(--c-glass);border:1px solid var(--c-glass-line);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}
.trust-item .dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent);flex:0 0 auto;}

/* ============ 痛点区 ============ */
.pain-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.pain-card{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:26px 26px 26px 30px;box-shadow:var(--sh-sm);
  transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
  display:flex;gap:18px;align-items:flex-start;
}
.pain-card::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;border-radius:0 3px 3px 0;
  background:var(--c-primary);transition:background-color .25s ease;
}
.pain-card:hover{box-shadow:var(--sh-md);transform:translateY(-2px);border-color:#C9D6CB;}
.pain-card:hover::before{background:var(--c-accent);}
.pain-card__num{font-family:var(--font-num);font-size:28px;line-height:1;color:#B9C6BB;letter-spacing:.04em;font-weight:600;flex:0 0 auto;}
.pain-card p{font-size:17px;line-height:1.8;color:var(--c-ink);font-weight:500;}

/* ============ 方案区 bento ============ */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-sm);transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.card:hover{box-shadow:var(--sh-md);transform:translateY(-2px);border-color:#C9D6CB;}
.plan-main{grid-column:span 6;padding:32px;display:flex;flex-direction:column;position:relative;overflow:hidden;}
.plan-side{grid-column:span 6;display:grid;grid-template-rows:1fr 1fr;gap:24px;}
.plan-small{padding:24px;display:flex;flex-direction:column;}
.plan-wide{grid-column:span 6;padding:26px;display:flex;gap:20px;align-items:flex-start;}
.icon-badge{
  width:44px;height:44px;border-radius:50%;background:var(--c-primary-100);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.icon-badge i{font-size:18px;color:var(--c-primary);}
.icon-badge--accent{background:var(--c-accent-100);}
.icon-badge--accent i{color:var(--c-accent);}
.plan-main h3{font-size:22px;line-height:1.45;font-weight:700;margin-top:20px;color:var(--c-ink);}
.plan-small h3,.plan-wide h3{font-size:18px;line-height:1.5;font-weight:700;color:var(--c-ink);}
.plan-main p{margin-top:14px;font-size:15px;line-height:1.8;color:var(--c-ink-2);max-width:420px;}
.plan-small p,.plan-wide p{margin-top:8px;font-size:14px;line-height:1.8;color:var(--c-ink-2);}
.plan-main .link-arrow{margin-top:20px;}
.plan-thumb{
  margin-top:26px;border-radius:14px;overflow:hidden;aspect-ratio:16/9;
  background:var(--c-bg-alt);
}
.plan-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.plan-main:hover .plan-thumb img{transform:scale(1.04);}
.plan-small .link-arrow,.plan-wide .link-arrow{margin-top:14px;}

/* ============ 数据区 ============ */
.stats{
  padding:96px 0;
  background:var(--c-deep);color:#fff;position:relative;overflow:hidden;
}
.stats::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.06) 0 1px,transparent 1px 18px);
  pointer-events:none;
}
.stats .container{position:relative;}
.stats__top{display:flex;flex-wrap:wrap;gap:20px;align-items:flex-end;justify-content:space-between;margin-bottom:48px;}
.stats__note{max-width:360px;font-size:16px;line-height:1.75;color:rgba(255,255,255,.75);}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.stat{padding:8px 24px;position:relative;}
.stat:first-child{padding-left:0;}
.stat+.stat{border-left:1px solid rgba(255,255,255,.12);}
.stat__num{
  font-family:var(--font-num);font-size:48px;line-height:1.1;font-weight:700;
  letter-spacing:.04em;color:#fff;
}
.stat__num .unit{font-size:22px;margin-left:4px;color:var(--c-accent);}
.stat__label{margin-top:10px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.72);}

/* ============ 最新信息 ============ */
.news-head{display:flex;flex-wrap:wrap;gap:20px;align-items:flex-end;justify-content:space-between;margin-bottom:40px;}
.news-list{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.news-item{
  display:flex;flex-direction:column;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-sm);transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.news-item:hover{box-shadow:var(--sh-md);transform:translateY(-2px);border-color:var(--c-primary);}
.news-item--lead{grid-column:1 / -1;flex-direction:row;}
.news-item__media{position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--c-bg-alt);}
.news-item--lead .news-item__media{flex:0 0 46%;aspect-ratio:auto;min-height:260px;}
.news-item__media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.news-item:hover .news-item__media img{transform:scale(1.04);}
.news-item__body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.news-item--lead .news-item__body{padding:32px;justify-content:center;}
.badge{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  padding:4px 10px;border-radius:var(--r-badge);
  background:var(--c-primary-100);color:var(--c-primary);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.badge--accent{background:var(--c-accent-100);color:var(--c-accent-600);}
.news-item__title{margin-top:14px;font-size:18px;line-height:1.55;font-weight:700;color:var(--c-ink);}
.news-item--lead .news-item__title{font-size:22px;}
.news-item__title a{color:inherit;}
.news-item__title a:hover{color:var(--c-primary);}
.news-item__excerpt{margin-top:10px;font-size:14px;line-height:1.8;color:var(--c-ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-item__foot{margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;gap:12px;}
.news-item__date{font-family:var(--font-num);font-size:13px;letter-spacing:.04em;color:var(--c-ink-3);}
.cms-empty{
  border:1px dashed var(--c-line);border-radius:var(--r-card);background:var(--c-surface);
  padding:52px 24px;text-align:center;
}
.cms-empty i{font-size:26px;color:var(--c-primary);}
.cms-empty p{margin-top:14px;font-size:16px;color:var(--c-ink-2);}

/* ============ 表单区 ============ */
.contact-wrap{
  background:linear-gradient(135deg,var(--c-deep) 0%,var(--c-deep-2) 100%);
  color:#fff;position:relative;overflow:hidden;
}
.contact-wrap::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.06) 0 1px,transparent 1px 18px);
  pointer-events:none;
}
.contact-wrap .container{position:relative;z-index:1;}
.contact-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start;}
.contact-left h2{font-size:34px;line-height:1.35;font-weight:700;letter-spacing:-.01em;color:#fff;}
.contact-left p{margin-top:18px;font-size:16px;line-height:1.85;color:rgba(255,255,255,.75);}
.contact-points{margin-top:28px;display:flex;flex-direction:column;gap:14px;}
.contact-points li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:rgba(255,255,255,.86);line-height:1.75;}
.contact-points i{color:var(--c-accent);font-size:14px;margin-top:6px;}
.form-card{
  background:var(--c-surface);border-radius:var(--r-card);padding:32px;
  box-shadow:var(--sh-lg);color:var(--c-ink);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:500;color:var(--c-ink);margin-bottom:8px;}
.field .req{color:var(--c-accent);margin-left:4px;}
.field input[type=text],.field input[type=tel],.field select,.field textarea{
  width:100%;padding:14px 16px;border:1px solid var(--c-line);border-radius:var(--r-input);
  background:#fff;transition:border-color .2s ease,box-shadow .2s ease;font-size:16px;
}
.field select{appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%234E5B54' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 16px center;padding-right:44px;
}
.field textarea{min-height:110px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--c-primary);box-shadow:0 0 0 3px var(--c-primary-100);outline:none;
}
.check-line{display:flex;gap:10px;align-items:flex-start;margin:6px 0 18px;}
.check-line input{margin-top:5px;width:17px;height:17px;accent-color:var(--c-primary);flex:0 0 auto;}
.check-line label{font-size:13px;line-height:1.7;color:var(--c-ink-3);margin:0;}
.form-privacy{margin-top:14px;font-size:13px;line-height:1.7;color:var(--c-ink-3);}
.form-msg{margin-top:12px;font-size:13px;color:var(--c-primary);display:none;}
.form-msg.is-show{display:block;}

/* ============ 弹层 ============ */
.modal{
  position:fixed;inset:0;z-index:400;display:flex;align-items:center;justify-content:center;padding:20px;
  opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease;
}
.modal.is-open{opacity:1;visibility:visible;}
.modal__overlay{position:absolute;inset:0;background:rgba(11,42,34,.55);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);}
.modal__card{
  position:relative;width:100%;max-width:520px;background:#fff;border-radius:var(--r-glass);
  padding:34px 32px 32px;box-shadow:var(--sh-lg);transform:scale(.96);transition:transform .2s ease;
  max-height:88vh;overflow:auto;
}
.modal.is-open .modal__card{transform:scale(1);}
.modal__close{
  position:absolute;top:16px;right:16px;width:32px;height:32px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;background:var(--c-bg-alt);color:var(--c-ink-2);
  transition:background-color .2s ease,color .2s ease;
}
.modal__close:hover{background:var(--c-accent-100);color:var(--c-accent-600);}
.modal__card h3{font-size:22px;line-height:1.45;font-weight:700;color:var(--c-ink);}
.modal__card>p{margin-top:10px;font-size:14px;line-height:1.8;color:var(--c-ink-2);}

/* ============ FAQ ============ */
.faq{max-width:900px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-item:first-child{border-top:1px solid var(--c-line);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;font-size:17px;font-weight:600;color:var(--c-ink);transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--c-primary);}
.faq-item summary .fq-icon{
  width:26px;height:26px;flex:0 0 auto;border-radius:50%;border:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:center;color:var(--c-primary);
  transition:transform .25s ease,background-color .25s ease,border-color .25s ease;
}
.faq-item summary .fq-icon i{font-size:12px;}
.faq-item[open] summary .fq-icon{transform:rotate(90deg);background:var(--c-accent-100);border-color:var(--c-accent-100);color:var(--c-accent-600);}
.faq-answer{
  border-left:3px solid var(--c-accent);background:var(--c-bg-alt);
  padding:18px 22px;border-radius:0 var(--r-sm) var(--r-sm) 0;
  font-size:15px;line-height:1.85;color:var(--c-ink-2);margin-bottom:20px;
}

/* ============ 底部 CTA ============ */
.cta-bar{background:var(--c-deep);padding:52px 0;}
.cta-bar__inner{display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between;}
.cta-bar h2{font-size:26px;line-height:1.45;font-weight:700;color:#fff;}
.cta-bar p{margin-top:8px;font-size:15px;color:rgba(255,255,255,.72);}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-deep);color:#fff;padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;gap:10px;align-items:center;font-size:18px;font-weight:700;color:#fff;}
.footer-brand__mark{
  width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--c-primary),#12A175);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:14px;
}
.footer-about{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);max-width:320px;}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;text-decoration-color:var(--c-accent);}
.footer-contact li{font-size:14px;line-height:1.9;color:rgba(255,255,255,.72);display:flex;gap:10px;}
.footer-contact i{color:var(--c-accent);font-size:13px;margin-top:6px;flex:0 0 auto;}
.footer-bottom{
  margin-top:56px;padding:22px 0;border-top:1px solid rgba(255,255,255,.12);
  text-align:center;font-size:13px;color:rgba(255,255,255,.6);
}

/* ============ 动效 ============ */
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .hero h1{font-size:40px;}
}
@media (max-width:1023px){
  .section{padding:72px 0;}
  .stats{padding:72px 0;}
  .hero{padding:calc(var(--nav-h) + 72px) 0 80px;}
  .hero h1{font-size:36px;}
  .hero__sub{font-size:17px;}
  h2.sec-title{font-size:28px;}
  .nav-menu{display:none;}
  .nav-toggle{display:flex;}
  .plan-main,.plan-side,.plan-wide{grid-column:span 12;}
  .plan-side{grid-template-rows:auto;grid-template-columns:repeat(2,1fr);}
  .stats-grid{grid-template-columns:repeat(2,1fr);row-gap:32px;}
  .stat:nth-child(3){padding-left:0;border-left:0;}
  .stat+.stat{border-left:1px solid rgba(255,255,255,.12);}
  .stat:nth-child(odd){padding-left:0;}
  .stat:nth-child(even){border-left:1px solid rgba(255,255,255,.12);}
  .contact-grid{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:36px;}
  .news-item--lead{flex-direction:column;}
  .news-item--lead .news-item__media{flex:none;aspect-ratio:16/9;min-height:0;}
  .news-item--lead .news-item__body{padding:24px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .stats{padding:56px 0;}
  .hero{padding:calc(var(--nav-h) + 56px) 0 64px;}
  .hero h1{font-size:30px;}
  .hero__sub{font-size:16px;}
  .hero__btns .btn{width:100%;}
  .hero__trust{gap:10px;}
  h2.sec-title{font-size:24px;}
  .sec-head{margin-bottom:32px;}
  .pain-grid{grid-template-columns:1fr;}
  .plan-side{grid-template-columns:1fr;}
  .plan-main{padding:24px;}
  .news-list{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .stat{padding:0 16px 0 0;}
  .stat+.stat{border-left:0;padding-left:0;}
  .stat__num{font-size:34px;}
  .form-row{grid-template-columns:1fr;}
  .form-card{padding:24px 20px;}
  .cta-bar__inner .btn{width:100%;}
  .faq-item summary{font-size:16px;padding:18px 2px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .modal__card{padding:28px 22px 24px;}
}
@media (max-width:559px){
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .stat__num{font-size:30px;}
  .stat__label{font-size:13px;}
  .hero__tag{font-size:12px;}
}

/* roulang page: article */
:root{
  --c-deep:#0B2A22;
  --c-primary:#0E7C5A;
  --c-primary-600:#0A6B4C;
  --c-primary-100:#DCEFE6;
  --c-accent:#F2612A;
  --c-accent-600:#D94E1B;
  --c-accent-100:#FDE7DC;
  --c-bg:#F7F5F0;
  --c-bg-alt:#EEF2EC;
  --c-surface:#FFFFFF;
  --c-ink:#15211C;
  --c-ink-2:#4E5B54;
  --c-ink-3:#7C8880;
  --c-line:#DCE2DA;
  --c-glass:rgba(255,255,255,.16);
  --c-glass-line:rgba(255,255,255,.30);
  --r-card:18px;
  --r-sm:14px;
  --r-btn:12px;
  --r-input:12px;
  --r-img:16px;
  --r-badge:6px;
  --r-glass:20px;
  --sh-sm:0 1px 2px rgba(11,42,34,.06);
  --sh-md:0 8px 24px rgba(11,42,34,.08);
  --sh-lg:0 18px 48px rgba(11,42,34,.12);
  --maxw:1200px;
  --mono:"Barlow Semi Condensed","DIN Alternate",ui-monospace,SFMono-Regular,Menlo,monospace;
}
@media (min-width:1280px){ :root{ --maxw:1320px; } }

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:var(--c-primary);text-decoration:none;background-color:transparent;transition:color .25s ease;}
a:hover{color:var(--c-accent);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4{letter-spacing:-.01em;color:var(--c-ink);}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
::selection{background:var(--c-accent);color:#fff;}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding-left:24px;padding-right:24px;}
@media (max-width:767px){ .container{padding-left:20px;padding-right:20px;} }

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:80;
  background:var(--c-glass);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  backdrop-filter:blur(14px) saturate(160%);
  border-bottom:1px solid var(--c-glass-line);
  box-shadow:0 8px 32px rgba(0,0,0,.18);
  transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header.is-stuck{
  background:var(--c-deep);
  -webkit-backdrop-filter:none;
  backdrop-filter:none;
  border-bottom-color:rgba(255,255,255,.10);
  box-shadow:var(--sh-md);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:18px;letter-spacing:0;}
.brand:hover,.brand:focus{color:#fff;}
.brand__mark{
  width:34px;height:34px;border-radius:10px;
  background:var(--c-accent);
  display:grid;place-items:center;
  font-size:15px;color:#fff;flex:0 0 auto;
}
.brand__text{white-space:nowrap;}
.nav-menu{display:flex;align-items:center;gap:28px;}
.nav-menu a{
  position:relative;
  color:rgba(255,255,255,.88);
  font-size:15px;
  font-weight:500;
  padding:8px 0;
  white-space:nowrap;
}
.nav-menu a::after{
  content:"";
  position:absolute;left:0;bottom:2px;
  height:2px;width:0;
  background:var(--c-accent);
  transition:width .2s ease;
}
.nav-menu a:hover,.nav-menu a.is-active{color:#fff;}
.nav-menu a:hover::after,.nav-menu a.is-active::after{width:100%;}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-search{
  width:40px;height:40px;border-radius:50%;
  display:grid;place-items:center;
  color:#fff;background:rgba(255,255,255,.12);
  border:1px solid var(--c-glass-line);
  transition:background .25s ease,transform .25s ease;
}
.nav-search:hover{background:rgba(255,255,255,.24);color:#fff;transform:translateY(-1px);}
.nav-toggle{
  display:none;
  width:40px;height:40px;border-radius:10px;
  background:rgba(255,255,255,.12);
  border:1px solid var(--c-glass-line);
  color:#fff;
}
.nav-toggle:hover{background:rgba(255,255,255,.24);}

@media (max-width:1023px){
  .nav-inner{height:60px;}
  .brand{font-size:16px;}
  .nav-menu{
    position:fixed;top:0;right:0;bottom:0;
    width:min(320px,84vw);
    flex-direction:column;align-items:stretch;
    gap:0;
    background:var(--c-deep);
    padding:88px 28px 32px;
    transform:translateX(101%);
    transition:transform .3s ease;
    z-index:90;
    box-shadow:var(--sh-lg);
    overflow-y:auto;
  }
  .nav-menu.is-open{transform:translateX(0);}
  .nav-menu a{
    font-size:17px;
    color:rgba(255,255,255,.92);
    padding:16px 0;
    border-bottom:1px solid rgba(255,255,255,.10);
  }
  .nav-menu a::after{display:none;}
  .nav-menu a.is-active{color:var(--c-accent);}
  .nav-cta{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
}
@media (max-width:560px){
  .nav-search{display:none;}
}

/* ============ 按钮 / 徽章 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  line-height:1.4;
  transition:transform .25s ease,background .25s ease,box-shadow .25s ease,color .25s ease,border-color .25s ease;
}
.btn--primary{background:var(--c-accent);color:#fff;border-radius:999px;box-shadow:var(--sh-sm);}
.btn--primary:hover{background:var(--c-accent-600);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-md);}
.btn--primary:active{transform:translateY(0);box-shadow:var(--sh-sm);}
.btn--ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary);border-radius:999px;}
.btn--ghost:hover{background:var(--c-primary-100);color:var(--c-primary-600);transform:translateY(-2px);}
.btn--ghost:active{transform:translateY(0);}
.btn--glass{background:transparent;border-color:rgba(255,255,255,.7);color:#fff;border-radius:999px;}
.btn--glass:hover{background:rgba(255,255,255,.16);color:#fff;transform:translateY(-2px);}
.btn--block{width:100%;}
.btn:disabled,.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;
  border-radius:var(--r-badge);
  font-size:13px;font-weight:500;
  background:var(--c-primary-100);
  color:var(--c-primary);
  line-height:1.5;
}
.badge--accent{background:var(--c-accent-100);color:var(--c-accent-600);}
.badge--glass{background:rgba(255,255,255,.18);color:#fff;border:1px solid var(--c-glass-line);}

/* ============ 文章头部 ============ */
.article-hero{
  position:relative;
  padding:158px 0 72px;
  color:#fff;
  background-color:var(--c-deep);
  background-image:linear-gradient(100deg, rgba(11,42,34,.90), rgba(11,42,34,.62)), url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.article-hero::after{
  content:"";
  position:absolute;left:0;right:0;bottom:0;height:120px;
  background:repeating-linear-gradient(115deg, rgba(255,255,255,.06) 0 1px, transparent 1px 18px);
  pointer-events:none;
}
.article-hero .container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;
  gap:8px;list-style:none;
  margin:0 0 24px;padding:0;
  font-size:13px;
  color:rgba(255,255,255,.70);
}
.breadcrumb li{display:flex;align-items:center;gap:8px;min-width:0;}
.breadcrumb li + li::before{content:"›";color:rgba(255,255,255,.45);}
.breadcrumb a{color:rgba(255,255,255,.86);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.breadcrumb [aria-current="page"]{
  color:rgba(255,255,255,.60);
  max-width:460px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.article-head{max-width:900px;}
.article-head .badge{margin-bottom:18px;}
.article-title{
  margin:0 0 20px;
  font-size:clamp(30px,3.6vw,46px);
  line-height:1.28;
  color:#fff;
  font-weight:700;
  letter-spacing:-.01em;
  word-break:break-word;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 26px;
  font-size:14px;
  color:rgba(255,255,255,.74);
}
.article-meta span{display:inline-flex;align-items:center;gap:8px;}
.article-meta i{font-size:14px;color:var(--c-accent);}

/* ============ 正文区 ============ */
.article-main{padding:72px 0 96px;background:var(--c-bg);}
.article-panel{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-sm);
  padding:44px 48px;
}
.article-body{font-size:17px;line-height:1.85;color:var(--c-ink);}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.25em;}
.article-body h2{
  position:relative;
  margin:48px 0 18px;
  padding-left:16px;
  font-size:34px;
  line-height:1.35;
  font-weight:700;
}
.article-body h2::before{
  content:"";
  position:absolute;left:0;top:.2em;bottom:.2em;width:4px;
  background:var(--c-accent);border-radius:2px;
}
.article-body h3{margin:38px 0 14px;font-size:22px;line-height:1.45;font-weight:700;}
.article-body h4{margin:28px 0 12px;font-size:18px;font-weight:600;}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:1.5em;line-height:1.9;}
.article-body li{margin-bottom:.5em;}
.article-body ul li::marker{color:var(--c-primary);}
.article-body ol li::marker{color:var(--c-primary);font-weight:600;}
.article-body blockquote{
  margin:28px 0;
  padding:18px 24px;
  background:var(--c-bg-alt);
  border-left:3px solid var(--c-accent);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:var(--c-ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:4px;}
.article-body a:hover{color:var(--c-accent);}
.article-body img{border-radius:var(--r-img);margin:26px auto;box-shadow:var(--sh-sm);}
.article-body figure{margin:28px 0;}
.article-body figcaption{font-size:13px;color:var(--c-ink-3);text-align:center;margin-top:10px;}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:40px 0;}
.article-body strong{font-weight:700;color:var(--c-ink);}
.article-body code{
  background:var(--c-bg-alt);
  padding:2px 6px;border-radius:6px;
  font-family:var(--mono);font-size:.92em;color:var(--c-primary-600);
}
.article-body table{width:100%;border-collapse:collapse;margin:28px 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:12px 14px;text-align:left;}
.article-body thead th{background:var(--c-bg-alt);font-weight:600;}
.article-body tbody tr:nth-child(even){background:rgba(238,242,236,.55);}

.empty-state{
  text-align:center;
  padding:64px 24px;
  border:1px dashed var(--c-line);
  border-radius:var(--r-card);
  background:var(--c-bg-alt);
}
.empty-state i{font-size:34px;color:var(--c-primary);margin-bottom:16px;display:block;}
.empty-state p{margin:0 0 22px;font-size:17px;color:var(--c-ink-2);}

/* ============ 侧栏 ============ */
.article-side{padding-top:24px;}
.side-sticky{
  position:sticky;
  top:96px;
  display:flex;flex-direction:column;gap:20px;
}
.side-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:26px;
  box-shadow:var(--sh-sm);
  transition:box-shadow .25s ease,transform .25s ease;
}
.side-card:hover{box-shadow:var(--sh-md);transform:translateY(-2px);}
.side-title{
  margin:0 0 14px;
  font-size:18px;
  font-weight:700;
  display:flex;align-items:center;gap:8px;
}
.side-title i{color:var(--c-accent);font-size:15px;}
.side-text{margin:0 0 18px;font-size:14px;line-height:1.8;color:var(--c-ink-2);}
.side-links{list-style:none;margin:0;padding:0;}
.side-links li + li{border-top:1px solid var(--c-line);}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:13px 0;
  font-size:15px;
  color:var(--c-ink);
}
.side-links a:hover{color:var(--c-primary);}
.side-links a i{font-size:12px;color:var(--c-ink-3);transition:transform .25s ease,color .25s ease;}
.side-links a:hover i{transform:translateX(4px);color:var(--c-accent);}
.side-card--deep{
  background:var(--c-deep);
  border-color:rgba(255,255,255,.10);
  color:#fff;
  background-image:repeating-linear-gradient(115deg, rgba(255,255,255,.05) 0 1px, transparent 1px 18px);
}
.side-card--deep .side-title{color:#fff;}
.side-card--deep .side-text{color:rgba(255,255,255,.74);}
.side-card--deep .side-title i{color:var(--c-accent);}

/* ============ 相关推荐 ============ */
.related{padding:88px 0;background:var(--c-bg-alt);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{
  margin:0 0 12px;
  font-size:34px;
  line-height:1.35;
  font-weight:700;
}
.section-head p{margin:0;font-size:16px;color:var(--c-ink-2);}
.related-grid{row-gap:24px;}
.rel-card{
  display:flex;flex-direction:column;
  height:100%;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-sm);
  transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
  color:var(--c-ink);
}
.rel-card:hover{
  box-shadow:var(--sh-lg);
  transform:translateY(-4px);
  border-color:var(--c-primary);
  color:var(--c-ink);
}
.rel-card__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--c-deep);}
.rel-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.rel-card:hover .rel-card__media img{transform:scale(1.04);}
.rel-card__body{padding:24px;display:flex;flex-direction:column;flex:1 1 auto;}
.rel-card__body .badge{align-self:flex-start;margin-bottom:12px;}
.rel-card__body h3{margin:0 0 10px;font-size:18px;line-height:1.5;font-weight:700;}
.rel-card__body p{margin:0 0 18px;font-size:14px;line-height:1.8;color:var(--c-ink-2);}
.rel-card__more{
  margin-top:auto;
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--c-primary);
}
.rel-card__more i{font-size:12px;transition:transform .25s ease;}
.rel-card:hover .rel-card__more{color:var(--c-accent);}
.rel-card:hover .rel-card__more i{transform:translateX(4px);}

/* ============ 返回入口 ============ */
.back-row{display:flex;justify-content:flex-start;margin-top:32px;}

/* ============ 底部 CTA ============ */
.cta-band{
  background:var(--c-deep);
  color:#fff;
  padding:56px 0;
  background-image:repeating-linear-gradient(115deg, rgba(255,255,255,.05) 0 1px, transparent 1px 20px);
}
.cta-band__inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{margin:0 0 8px;font-size:28px;line-height:1.4;color:#fff;font-weight:700;}
.cta-band p{margin:0;font-size:15px;color:rgba(255,255,255,.74);max-width:640px;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-deep);
  color:rgba(255,255,255,.72);
  padding:76px 0 0;
  font-size:14px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:52px;
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-size:17px;font-weight:700;color:#fff;
  margin-bottom:16px;
}
.footer-brand__mark{
  width:32px;height:32px;border-radius:10px;
  background:var(--c-accent);
  display:grid;place-items:center;color:#fff;font-size:14px;
}
.footer-about{margin:0;line-height:1.85;color:rgba(255,255,255,.66);font-size:14px;max-width:340px;}
.footer-col h4{
  margin:0 0 18px;
  font-size:15px;font-weight:600;color:#fff;
  letter-spacing:0;
}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:12px;}
.footer-col a{color:rgba(255,255,255,.72);}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;text-decoration-color:var(--c-accent);}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;line-height:1.75;}
.footer-contact i{color:var(--c-accent);margin-top:5px;font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;
  text-align:center;
  font-size:13px;
  color:rgba(255,255,255,.55);
}

/* ============ 弹层 ============ */
.modal{
  position:fixed;inset:0;z-index:120;
  display:none;
  align-items:center;justify-content:center;
  padding:24px;
}
.modal.is-open{display:flex;}
.modal__mask{
  position:absolute;inset:0;
  background:rgba(11,42,34,.58);
  -webkit-backdrop-filter:blur(2px);
  backdrop-filter:blur(2px);
}
.modal__card{
  position:relative;z-index:2;
  width:100%;max-width:520px;
  background:var(--c-surface);
  border-radius:var(--r-glass);
  border:1px solid var(--c-line);
  box-shadow:var(--sh-lg);
  padding:34px 32px 30px;
  animation:modalIn .2s ease;
  max-height:90vh;overflow-y:auto;
}
@keyframes modalIn{from{opacity:0;transform:scale(.96);}to{opacity:1;transform:scale(1);}}
.modal__close{
  position:absolute;top:14px;right:14px;
  width:32px;height:32px;border-radius:50%;
  border:1px solid var(--c-line);
  background:var(--c-bg-alt);
  color:var(--c-ink-2);
  display:grid;place-items:center;
  font-size:14px;
  transition:background .25s ease,color .25s ease,transform .25s ease;
}
.modal__close:hover{background:var(--c-accent);color:#fff;border-color:var(--c-accent);transform:rotate(90deg);}
.modal__card h2{margin:0 0 8px;font-size:24px;font-weight:700;}
.modal__sub{margin:0 0 22px;font-size:14px;color:var(--c-ink-2);}

.c-form{display:flex;flex-direction:column;gap:16px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field label{font-size:14px;font-weight:500;color:var(--c-ink);}
.field input[type="text"],
.field input[type="tel"],
.field select,
.field textarea{
  width:100%;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-input);
  padding:13px 16px;
  font-size:16px;
  line-height:1.5;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.field textarea{min-height:104px;resize:vertical;}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--c-primary);
  box-shadow:0 0 0 3px var(--c-primary-100);
}
.field select{
  appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%234E5B54' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 16px center;
  background-size:12px 8px;
  padding-right:42px;
}
.agree{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--c-ink-3);line-height:1.7;}
.agree input{margin-top:4px;flex:0 0 auto;accent-color:var(--c-primary);width:16px;height:16px;}
.form-tip{display:none;font-size:13px;color:var(--c-primary-600);background:var(--c-primary-100);border-radius:10px;padding:10px 14px;}
.form-tip.is-show{display:block;}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .article-panel{padding:40px 36px;}
}
@media (max-width:1023px){
  body{font-size:16px;}
  .article-hero{padding:122px 0 56px;}
  .article-main{padding:56px 0 72px;}
  .article-side{padding-top:0;margin-top:28px;}
  .side-sticky{position:static;}
  .article-body h2{font-size:26px;margin-top:40px;}
  .article-body h3{font-size:20px;}
  .section-head h2{font-size:26px;}
  .cta-band h2{font-size:23px;}
  .related{padding:68px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:767px){
  .article-hero{padding:104px 0 48px;}
  .article-panel{padding:28px 22px;border-radius:var(--r-sm);}
  .article-body{font-size:16px;}
  .article-body h2{font-size:23px;margin-top:36px;padding-left:13px;}
  .article-body h3{font-size:19px;}
  .article-title{margin-bottom:16px;}
  .article-meta{gap:8px 18px;font-size:13px;}
  .breadcrumb [aria-current="page"]{max-width:200px;}
  .section-head h2{font-size:23px;}
  .cta-band{padding:44px 0;}
  .cta-band__inner{flex-direction:column;align-items:flex-start;}
  .cta-band .btn{width:100%;}
  .related{padding:56px 0;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .site-footer{padding-top:56px;}
  .modal__card{padding:28px 22px 24px;}
}
@media (max-width:560px){
  .container{padding-left:20px;padding-right:20px;}
  .article-title{font-size:26px;}
  .brand__text{font-size:15px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --c-deep:#0B2A22;
  --c-primary:#0E7C5A;
  --c-primary-600:#0A6B4C;
  --c-primary-100:#DCEFE6;
  --c-accent:#F2612A;
  --c-accent-600:#D94E1B;
  --c-accent-100:#FDE7DC;
  --c-bg:#F7F5F0;
  --c-bg-alt:#EEF2EC;
  --c-surface:#FFFFFF;
  --c-ink:#15211C;
  --c-ink-2:#4E5B54;
  --c-ink-3:#7C8880;
  --c-line:#DCE2DA;
  --c-glass:rgba(255,255,255,.16);
  --c-glass-line:rgba(255,255,255,.30);
  --r-card:18px;
  --r-sm:14px;
  --r-btn:12px;
  --r-input:12px;
  --r-img:16px;
  --r-badge:6px;
  --r-glass:20px;
  --sh-sm:0 1px 2px rgba(11,42,34,.06);
  --sh-md:0 8px 24px rgba(11,42,34,.08);
  --sh-lg:0 18px 48px rgba(11,42,34,.12);
  --ff:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --ff-num:"Barlow Semi Condensed","DIN Alternate",ui-monospace,monospace;
  --sec-y:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--ff);
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--c-ink);
  background:var(--c-bg);
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .25s ease;}
a:hover{color:var(--c-accent);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;color:var(--c-ink);}
h1{font-size:46px;line-height:1.28;}
h2{font-size:34px;line-height:1.35;}
h3{font-size:22px;line-height:1.45;}
h4{font-size:18px;line-height:1.5;}
p{margin:0 0 1.25em;}
p:last-child{margin-bottom:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1280px){.container{max-width:1320px;}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  line-height:1;
  padding:14px 26px;
  border:1px solid transparent;
  border-radius:var(--r-btn);
  cursor:pointer;
  transition:background .25s ease,color .25s ease,border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.btn--primary{background:var(--c-accent);color:#fff;border-radius:999px;}
.btn--primary:hover{background:var(--c-accent-600);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-md);}
.btn--primary:active{transform:translateY(0);box-shadow:none;}
.btn--ghost{background:transparent;border-color:rgba(255,255,255,.7);color:#fff;border-radius:999px;}
.btn--ghost:hover{background:rgba(255,255,255,.14);color:#fff;}
.btn--outline{background:transparent;border-color:var(--c-primary);color:var(--c-primary);}
.btn--outline:hover{background:var(--c-primary-100);color:var(--c-primary-600);}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:100;
  background:var(--c-glass);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  backdrop-filter:blur(14px) saturate(160%);
  border-bottom:1px solid var(--c-glass-line);
  box-shadow:0 8px 32px rgba(0,0,0,.14);
  transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header.is-scrolled{
  background:var(--c-deep);
  border-bottom-color:transparent;
  -webkit-backdrop-filter:none;
  backdrop-filter:none;
  box-shadow:var(--sh-md);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
}
.brand{display:flex;align-items:center;gap:10px;color:#fff;}
.brand:hover{color:#fff;}
.brand__mark{
  width:34px;height:34px;flex:0 0 34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;
  background:var(--c-accent);
  color:#fff;font-size:15px;
}
.brand__text{font-size:18px;font-weight:700;letter-spacing:.01em;white-space:nowrap;}
.nav-menu{display:flex;align-items:center;gap:28px;}
.nav-menu a{
  position:relative;
  display:inline-block;
  padding:6px 0;
  font-size:15px;
  font-weight:500;
  color:rgba(255,255,255,.88);
}
.nav-menu a::after{
  content:"";
  position:absolute;left:0;bottom:0;
  width:0;height:2px;
  background:var(--c-accent);
  transition:width .2s ease;
}
.nav-menu a:hover{color:#fff;}
.nav-menu a:hover::after,
.nav-menu a.is-active::after{width:100%;}
.nav-menu a.is-active{color:#fff;}
.nav-actions{display:flex;align-items:center;gap:14px;}
.nav-search{
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.28);
  color:#fff;font-size:14px;
}
.nav-search:hover{background:rgba(255,255,255,.14);color:#fff;}
.nav-cta{padding:11px 20px;font-size:14px;}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.28);
  border-radius:10px;
  background:transparent;
  color:#fff;font-size:16px;
  cursor:pointer;
}
.nav-toggle:hover{background:rgba(255,255,255,.14);}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;
  padding:158px 0 64px;
  min-height:320px;
  color:#fff;
  background-image:linear-gradient(100deg,rgba(11,42,34,.86),rgba(11,42,34,.45)),url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
}
.page-hero::after{
  content:"";
  position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.06) 0 1px,transparent 1px 26px);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:1;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:20px;}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"›";color:rgba(255,255,255,.5);}
.breadcrumb a{color:rgba(255,255,255,.82);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.breadcrumb .is-current{color:rgba(255,255,255,.6);}
.page-hero h1{color:#fff;max-width:860px;font-size:44px;}
.page-hero__lead{
  margin:18px 0 0;
  max-width:660px;
  font-size:17px;
  line-height:1.8;
  color:rgba(255,255,255,.86);
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;
  font-size:13px;
  color:rgba(255,255,255,.9);
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.24);
  border-radius:999px;
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
}
.hero-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);}

/* ---------- 区块 ---------- */
.section{padding:var(--sec-y) 0;}
.section--alt{background:var(--c-bg-alt);}
.section--surface{background:var(--c-surface);}
.section--deep{position:relative;background:var(--c-deep);color:#fff;overflow:hidden;}
.section--deep::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.06) 0 1px,transparent 1px 24px);
  pointer-events:none;
}
.section--deep .container{position:relative;z-index:1;}
.section-head{max-width:760px;margin-bottom:44px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--c-primary);
  text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:24px;height:2px;background:var(--c-accent);}
.section--deep .eyebrow{color:var(--c-accent);}
.section-head p{margin-top:14px;font-size:16px;color:var(--c-ink-2);}
.section--deep .section-head h2{color:#fff;}
.section--deep .section-head p{color:rgba(255,255,255,.72);}

/* ---------- 分栏主体 ---------- */
.split{margin-top:8px;}
.rows{border-top:1px solid var(--c-line);}
.row-item{
  display:flex;
  gap:26px;
  padding:30px 0;
  border-bottom:1px solid var(--c-line);
}
.row-item:hover .row-item__num{color:var(--c-accent);}
.row-item__num{
  flex:0 0 56px;
  font-family:var(--ff-num);
  font-size:28px;
  font-weight:600;
  letter-spacing:.04em;
  color:var(--c-primary-100);
  line-height:1.2;
  transition:color .25s ease;
}
.row-item h3{font-size:20px;margin-bottom:10px;}
.row-item p{font-size:15px;color:var(--c-ink-2);margin:0;}
.row-item__meta{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:14px;
  font-size:13px;
  color:var(--c-primary);
}
.row-item__meta i{font-size:12px;}

/* ---------- 侧栏 ---------- */
.sidebar{position:sticky;top:96px;}
.side-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:26px;
  box-shadow:var(--sh-sm);
  margin-bottom:22px;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.side-card:hover{box-shadow:var(--sh-md);border-color:var(--c-primary);}
.side-card h3{font-size:17px;margin-bottom:16px;padding-left:12px;border-left:3px solid var(--c-accent);}
.quick-list li{
  display:flex;justify-content:space-between;gap:12px;
  padding:11px 0;
  font-size:14px;
  color:var(--c-ink-2);
  border-bottom:1px dashed var(--c-line);
}
.quick-list li:last-child{border-bottom:0;padding-bottom:0;}
.quick-list b{font-family:var(--ff-num);font-weight:600;letter-spacing:.04em;color:var(--c-ink);}
.link-list li{margin-bottom:12px;}
.link-list li:last-child{margin-bottom:0;}
.link-list a{
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;
  padding:12px 14px;
  font-size:14px;
  color:var(--c-ink);
  background:var(--c-bg-alt);
  border-radius:var(--r-sm);
  transition:background .25s ease,color .25s ease,transform .25s ease;
}
.link-list a:hover{background:var(--c-primary-100);color:var(--c-primary-600);transform:translateX(2px);}
.link-list a i{font-size:12px;color:var(--c-primary);}
.cta-card{
  background:var(--c-deep);
  border-color:transparent;
  color:#fff;
}
.cta-card h3{color:#fff;border-left-color:var(--c-accent);}
.cta-card p{font-size:14px;color:rgba(255,255,255,.76);margin-bottom:20px;}
.cta-card .btn{width:100%;}

/* ---------- 数据区 ---------- */
.stats-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:48px;}
.stats-head h2{color:#fff;font-size:32px;}
.stats-head span{font-size:15px;color:rgba(255,255,255,.72);max-width:420px;line-height:1.8;}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;}
.stat{padding:0 24px;border-left:1px solid rgba(255,255,255,.12);}
.stat:first-child{border-left:0;padding-left:0;}
.stat__num{
  font-family:var(--ff-num);
  font-size:48px;
  font-weight:600;
  letter-spacing:.04em;
  line-height:1.1;
  color:var(--c-accent);
}
.stat__num small{font-size:20px;margin-left:4px;color:rgba(255,255,255,.8);font-weight:500;}
.stat__label{margin-top:10px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.72);}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.step{
  position:relative;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:28px 24px;
  box-shadow:var(--sh-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.step:hover{transform:translateY(-2px);box-shadow:var(--sh-md);border-color:var(--c-primary);}
.step__num{
  font-family:var(--ff-num);
  font-size:26px;font-weight:600;letter-spacing:.04em;
  color:var(--c-accent);
  margin-bottom:14px;
  display:block;
}
.step h3{font-size:18px;margin-bottom:10px;}
.step p{font-size:14px;color:var(--c-ink-2);margin:0;}

/* ---------- 场景 ---------- */
.scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.scene-card{
  display:flex;
  gap:22px;
  align-items:flex-start;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:26px;
  box-shadow:var(--sh-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--sh-md);border-color:var(--c-primary);}
.scene-card__icon{
  flex:0 0 44px;width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:var(--c-primary-100);
  color:var(--c-primary);
  font-size:17px;
}
.scene-card h3{font-size:18px;margin-bottom:8px;}
.scene-card p{font-size:14px;color:var(--c-ink-2);margin:0;}
.scene-card img{
  width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-img);margin-top:16px;
}

/* ---------- FAQ ---------- */
.faq-item{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-sm);
  margin-bottom:12px;
  overflow:hidden;
}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;
  font-size:17px;font-weight:600;color:var(--c-ink);
  cursor:pointer;
  list-style:none;
  transition:background .25s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  font-size:20px;line-height:1;color:var(--c-accent);
  transition:transform .25s ease;
}
.faq-item summary:hover{background:var(--c-bg-alt);}
.faq-item[open] summary{background:var(--c-bg-alt);}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-answer{
  padding:18px 22px 22px 25px;
  border-left:3px solid var(--c-accent);
  background:var(--c-bg-alt);
  font-size:15px;
  line-height:1.85;
  color:var(--c-ink-2);
}

/* ---------- 跳转卡 ---------- */
.jump-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.jump-card{
  display:block;
  padding:28px 26px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.jump-card:hover{transform:translateY(-2px);box-shadow:var(--sh-md);border-color:var(--c-primary);color:var(--c-ink);}
.jump-card h3{font-size:18px;margin-bottom:10px;}
.jump-card p{font-size:14px;color:var(--c-ink-2);margin:0 0 16px;}
.jump-card span{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--c-primary);}
.jump-card span i{font-size:12px;transition:transform .25s ease;}
.jump-card:hover span i{transform:translateX(4px);}

/* ---------- 底部 CTA ---------- */
.cta-bar{background:var(--c-deep);color:#fff;padding:56px 0;position:relative;overflow:hidden;}
.cta-bar::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.06) 0 1px,transparent 1px 24px);
}
.cta-bar .container{position:relative;z-index:1;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;}
.cta-bar h2{color:#fff;font-size:28px;max-width:640px;}
.cta-bar p{margin:10px 0 0;font-size:15px;color:rgba(255,255,255,.75);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-deep);color:rgba(255,255,255,.72);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:700;margin-bottom:16px;}
.footer-brand__mark{
  width:32px;height:32px;flex:0 0 32px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:9px;background:var(--c-accent);color:#fff;font-size:14px;
}
.footer-about{font-size:14px;line-height:1.85;color:rgba(255,255,255,.7);margin:0;max-width:340px;}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;}
.footer-col ul li{margin-bottom:12px;}
.footer-col ul li:last-child{margin-bottom:0;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;text-decoration-color:var(--c-accent);}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.72);margin-bottom:12px;}
.footer-contact i{color:var(--c-accent);font-size:13px;margin-top:5px;}
.footer-bottom{
  margin-top:56px;
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;
  text-align:center;
  font-size:13px;
  color:rgba(255,255,255,.6);
}

/* ---------- 弹层 ---------- */
.modal{position:fixed;inset:0;z-index:140;display:none;}
.modal.is-open{display:block;}
.modal__mask{position:absolute;inset:0;background:rgba(11,42,34,.55);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);}
.modal__card{
  position:relative;
  max-width:520px;
  margin:7vh auto;
  background:var(--c-surface);
  border-radius:var(--r-glass);
  padding:32px;
  box-shadow:var(--sh-lg);
  animation:modalIn .2s ease;
  max-height:86vh;
  overflow-y:auto;
}
@keyframes modalIn{from{opacity:0;transform:scale(.96);}to{opacity:1;transform:scale(1);}}
.modal__close{
  position:absolute;top:16px;right:16px;
  width:32px;height:32px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  border:1px solid var(--c-line);
  background:var(--c-bg-alt);
  color:var(--c-ink-2);
  font-size:13px;cursor:pointer;
  transition:background .25s ease,color .25s ease;
}
.modal__close:hover{background:var(--c-accent-100);color:var(--c-accent-600);}
.modal__card h3{font-size:22px;margin-bottom:10px;}
.modal__card > p{font-size:14px;color:var(--c-ink-2);margin-bottom:22px;}
.form-field{margin-bottom:16px;}
.form-field label{display:block;font-size:14px;font-weight:500;color:var(--c-ink-2);margin-bottom:8px;}
.form-field input,
.form-field select,
.form-field textarea{
  width:100%;
  font-family:inherit;
  font-size:16px;
  color:var(--c-ink);
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-input);
  padding:13px 16px;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.form-field textarea{min-height:96px;resize:vertical;line-height:1.7;}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus{
  outline:none;
  border-color:var(--c-primary);
  box-shadow:0 0 0 3px var(--c-primary-100);
}
.form-field select{
  appearance:none;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%234E5B54' stroke-width='1.6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 16px center;
  background-size:12px 8px;
  padding-right:42px;
}
.checkbox-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--c-ink-2);line-height:1.7;margin:6px 0 18px;}
.checkbox-row input{width:16px;height:16px;margin-top:3px;accent-color:var(--c-primary);}
.privacy-note{font-size:13px;color:var(--c-ink-3);margin-top:14px;line-height:1.7;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:1140px;}
}
@media (max-width:1023px){
  :root{--sec-y:72px;}
  h1{font-size:32px;}
  .page-hero h1{font-size:32px;}
  h2{font-size:26px;}
  .nav-menu{
    position:fixed;
    top:0;right:-320px;
    width:300px;height:100vh;
    flex-direction:column;
    align-items:flex-start;
    gap:0;
    padding:84px 24px 24px;
    background:var(--c-deep);
    box-shadow:var(--sh-lg);
    transition:right .3s ease;
    z-index:130;
  }
  .nav-menu.is-open{right:0;}
  .nav-menu a{width:100%;font-size:17px;line-height:56px;border-bottom:1px solid rgba(255,255,255,.1);}
  .nav-menu a::after{display:none;}
  .nav-toggle{display:inline-flex;}
  .sidebar{position:static;margin-top:36px;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .stat{padding:24px 20px;border-left:0;border-top:1px solid rgba(255,255,255,.12);}
  .stat:nth-child(odd){padding-left:0;}
  .stat:first-child,.stat:nth-child(2){border-top:0;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .jump-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:767px){
  :root{--sec-y:56px;}
  body{font-size:16px;}
  h1{font-size:30px;}
  .page-hero{padding:132px 0 52px;min-height:280px;}
  .page-hero h1{font-size:27px;}
  .page-hero__lead{font-size:15px;}
  .nav-inner{height:60px;}
  .brand__text{font-size:16px;}
  .nav-cta{display:none;}
  .row-item{gap:18px;padding:24px 0;}
  .row-item__num{flex:0 0 42px;font-size:22px;}
  .scene-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .stats{grid-template-columns:1fr 1fr;}
  .stat__num{font-size:34px;}
  .stat__num small{font-size:16px;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-bar h2{font-size:22px;}
  .cta-bar .btn{width:100%;}
  .modal__card{margin:12vh 16px;padding:24px;}
  .stats-head h2{font-size:24px;}
}
@media (max-width:559px){
  .container{padding:0 20px;}
  .hero-tags{gap:8px;}
  .hero-tag{font-size:12px;padding:7px 12px;}
  .stats{grid-template-columns:1fr 1fr;}
  .stat{padding:20px 14px;}
  .stat__num{font-size:30px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --c-deep:#0B2A22;
  --c-primary:#0E7C5A;
  --c-primary-600:#0A6B4C;
  --c-primary-100:#DCEFE6;
  --c-accent:#F2612A;
  --c-accent-600:#D94E1B;
  --c-accent-100:#FDE7DC;
  --c-bg:#F7F5F0;
  --c-bg-alt:#EEF2EC;
  --c-surface:#FFFFFF;
  --c-ink:#15211C;
  --c-ink-2:#4E5B54;
  --c-ink-3:#7C8880;
  --c-line:#DCE2DA;
  --c-glass:rgba(255,255,255,.16);
  --c-glass-line:rgba(255,255,255,.30);
  --r-card:18px;
  --r-sm:14px;
  --r-btn:12px;
  --r-input:12px;
  --r-img:16px;
  --r-badge:6px;
  --r-glass:20px;
  --sh-sm:0 1px 2px rgba(11,42,34,.06);
  --sh-md:0 8px 24px rgba(11,42,34,.08);
  --sh-lg:0 18px 48px rgba(11,42,34,.12);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-num:"Barlow Semi Condensed","DIN Alternate",ui-monospace,monospace;
  --nav-h:72px;
  --gutter:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:150px;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--c-ink);
  background:var(--c-bg);
  overflow-x:hidden;
}
body.nav-open{overflow:hidden;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:16px;color:var(--c-ink);}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--c-accent);
  outline-offset:2px;
  border-radius:4px;
}
::selection{background:var(--c-accent-100);color:var(--c-ink);}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:var(--gutter);
  padding-right:var(--gutter);
}
@media (min-width:1280px){
  .container{max-width:1320px;}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 24px;
  font-size:15px;
  font-weight:600;
  line-height:1.4;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  transition:transform .25s ease,background-color .25s ease,color .25s ease,box-shadow .25s ease,border-color .25s ease;
  white-space:nowrap;
}
.btn--primary{
  background:var(--c-accent);
  color:#fff;
  box-shadow:var(--sh-sm);
}
.btn--primary:hover{background:var(--c-accent-600);transform:translateY(-2px);box-shadow:var(--sh-md);color:#fff;}
.btn--primary:active{transform:translateY(0);box-shadow:var(--sh-sm);}
.btn--primary[disabled],.btn--primary.is-disabled{opacity:.45;pointer-events:none;}
.btn--ghost{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.7);
}
.btn--ghost:hover{background:var(--c-primary-100);color:var(--c-deep);border-color:var(--c-primary-100);transform:translateY(-2px);}
.btn--outline{
  background:transparent;
  color:var(--c-primary);
  border-color:var(--c-primary);
}
.btn--outline:hover{background:var(--c-primary-100);color:var(--c-primary-600);transform:translateY(-2px);}
.btn--lg{padding:15px 32px;font-size:16px;}
.btn--block{width:100%;}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:80;
  background:var(--c-glass);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  backdrop-filter:blur(14px) saturate(160%);
  border-bottom:1px solid var(--c-glass-line);
  box-shadow:0 8px 32px rgba(0,0,0,.18);
  transition:background-color .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header.is-scrolled{
  background:var(--c-deep);
  -webkit-backdrop-filter:none;
  backdrop-filter:none;
  border-bottom-color:rgba(255,255,255,.12);
  box-shadow:var(--sh-md);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:var(--nav-h);
}
.brand{display:flex;align-items:center;gap:10px;color:#fff;}
.brand__mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;height:34px;
  border-radius:10px;
  background:var(--c-accent);
  color:#fff;
  font-size:15px;
  flex:0 0 auto;
}
.brand__text{font-size:18px;font-weight:700;letter-spacing:.01em;}
.nav-menu{display:flex;align-items:center;gap:30px;}
.nav-menu a{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:#fff;
  padding:6px 0;
  transition:color .2s ease;
}
.nav-menu a::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:0;height:2px;
  background:var(--c-accent);
  transition:width .2s ease;
}
.nav-menu a:hover::after{width:100%;}
.nav-menu a.is-active{color:#fff;}
.nav-menu a.is-active::after{width:100%;background:var(--c-accent);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-search{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;height:38px;
  border-radius:50%;
  color:#fff;
  border:1px solid var(--c-glass-line);
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.nav-search:hover{background:rgba(255,255,255,.18);color:#fff;border-color:rgba(255,255,255,.5);}
.nav-cta{padding:10px 20px;font-size:14px;}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  border-radius:10px;
  color:#fff;
  border:1px solid var(--c-glass-line);
  font-size:17px;
}
.nav-toggle:hover{background:rgba(255,255,255,.16);}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;
  padding-top:calc(var(--nav-h) + 54px);
  padding-bottom:56px;
  background-image:linear-gradient(100deg,rgba(11,42,34,.86),rgba(11,42,34,.45)),url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  color:#fff;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.06) 0 1px,transparent 1px 22px);
  pointer-events:none;
}
.page-hero__inner{position:relative;z-index:1;max-width:760px;}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.72);
  margin-bottom:18px;
}
.crumb li{display:inline-flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"›";color:rgba(255,255,255,.5);}
.crumb a{color:rgba(255,255,255,.86);transition:color .2s ease;}
.crumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.crumb .is-current{color:rgba(255,255,255,.62);}
.page-hero h1{
  font-size:46px;
  line-height:1.28;
  letter-spacing:-.01em;
  font-weight:700;
  margin-bottom:16px;
}
.page-hero__lead{
  font-size:18px;
  line-height:1.9;
  color:rgba(255,255,255,.86);
  max-width:620px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 14px;
  border-radius:999px;
  background:var(--c-glass);
  border:1px solid var(--c-glass-line);
  font-size:13px;
  color:#fff;
}
.hero-tag::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--c-accent);
  flex:0 0 auto;
}

/* ---------- 锚点 Tab 条 ---------- */
.tabbar{
  position:sticky;
  top:var(--nav-h);
  z-index:50;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  box-shadow:var(--sh-sm);
}
.tabbar__inner{
  display:flex;
  align-items:center;
  gap:28px;
  overflow-x:auto;
  scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
}
.tabbar__inner::-webkit-scrollbar{display:none;}
.tab-link{
  position:relative;
  flex:0 0 auto;
  padding:18px 2px;
  font-size:15px;
  font-weight:500;
  color:var(--c-ink-2);
  transition:color .2s ease;
}
.tab-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:3px;
  background:var(--c-accent);
  border-radius:3px 3px 0 0;
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .22s ease;
}
.tab-link:hover{color:var(--c-primary);}
.tab-link:hover::after{transform:scaleX(.4);}
.tab-link.is-active{color:var(--c-deep);font-weight:600;}
.tab-link.is-active::after{transform:scaleX(1);}

/* ---------- 板块 ---------- */
.section{padding:96px 0;}
.section--alt{background:var(--c-bg-alt);}
.section--tight{padding-top:72px;padding-bottom:72px;}
.section__head{max-width:760px;margin-bottom:44px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--c-primary);
  text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:22px;height:2px;
  background:var(--c-accent);
  border-radius:2px;
}
.section__head h2{
  font-size:34px;
  line-height:1.35;
  letter-spacing:-.01em;
  font-weight:700;
  color:var(--c-deep);
  margin-bottom:14px;
}
.section__head p{
  font-size:16px;
  color:var(--c-ink-2);
  line-height:1.85;
}

/* ---------- 卡片瀑布 ---------- */
.card-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
  margin:0;
}
.svc-card{
  display:flex;
  flex-direction:column;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-sm);
  overflow:hidden;
  transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.svc-card:hover{
  box-shadow:var(--sh-md);
  transform:translateY(-2px);
  border-color:var(--c-primary);
}
.svc-card__media{
  display:block;
  position:relative;
  aspect-ratio:16 / 9;
  overflow:hidden;
  background:var(--c-bg-alt);
}
.svc-card__media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .35s ease;
}
.svc-card__media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(11,42,34,0) 45%,rgba(11,42,34,.24));
  opacity:0;
  transition:opacity .3s ease;
}
.svc-card:hover .svc-card__media img{transform:scale(1.04);}
.svc-card:hover .svc-card__media::after{opacity:1;}
.svc-card__body{
  padding:24px 26px 26px;
  display:flex;
  flex-direction:column;
  gap:12px;
  flex:1 1 auto;
}
.badge{
  display:inline-flex;
  align-items:center;
  align-self:flex-start;
  padding:4px 10px;
  border-radius:var(--r-badge);
  background:var(--c-primary-100);
  color:var(--c-primary);
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
}
.svc-card__title{
  font-size:20px;
  line-height:1.5;
  font-weight:700;
  color:var(--c-deep);
}
.svc-card__title a{transition:color .2s ease;}
.svc-card__title a:hover{color:var(--c-primary);}
.svc-card__desc{
  font-size:15px;
  line-height:1.85;
  color:var(--c-ink-2);
}
.svc-card__link{
  margin-top:auto;
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--c-primary);
  transition:color .2s ease;
}
.svc-card__link span{transition:transform .22s ease;}
.svc-card__link:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:4px;}
.svc-card__link:hover span{transform:translateX(4px);}

/* ---------- 横向信息带 ---------- */
.info-band{
  display:flex;
  align-items:flex-start;
  gap:14px;
  margin-top:24px;
  padding:18px 22px;
  border:1px solid var(--c-line);
  border-left:3px solid var(--c-accent);
  border-radius:var(--r-sm);
  background:var(--c-bg-alt);
}
.info-band i{color:var(--c-primary);font-size:16px;line-height:1.85;}
.info-band p{font-size:15px;color:var(--c-ink-2);line-height:1.8;}

/* ---------- FAQ ---------- */
.faq-list{
  border-top:1px solid var(--c-line);
  background:var(--c-surface);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-sm);
  border:1px solid var(--c-line);
}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:22px 26px;
  font-size:17px;
  font-weight:600;
  color:var(--c-deep);
  list-style:none;
  cursor:pointer;
  transition:background-color .2s ease,color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:var(--c-bg);color:var(--c-primary);}
.faq-item summary::after{
  content:"+";
  flex:0 0 auto;
  width:28px;height:28px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  border:1px solid var(--c-line);
  color:var(--c-primary);
  font-size:17px;
  font-weight:600;
  transition:transform .25s ease,background-color .25s ease,color .25s ease,border-color .25s ease;
}
.faq-item[open] summary::after{
  content:"−";
  transform:rotate(180deg);
  background:var(--c-accent);
  border-color:var(--c-accent);
  color:#fff;
}
.faq-answer{
  padding:0 26px 22px 26px;
  border-left:3px solid var(--c-accent);
  margin-left:0;
  background:var(--c-bg-alt);
}
.faq-answer p{font-size:15px;line-height:1.85;color:var(--c-ink-2);padding-top:18px;}

/* ---------- 底部 CTA 条 ---------- */
.cta-bar{
  background:var(--c-deep);
  color:#fff;
  padding:56px 0;
  position:relative;
  overflow:hidden;
}
.cta-bar::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.06) 0 1px,transparent 1px 24px);
  pointer-events:none;
}
.cta-bar__inner{
  position:relative;
  z-index:1;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-bar h2{
  font-size:28px;
  line-height:1.4;
  font-weight:700;
  margin-bottom:8px;
}
.cta-bar p{
  font-size:15px;
  color:rgba(255,255,255,.72);
  max-width:560px;
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-deep);
  color:rgba(255,255,255,.72);
  padding:72px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.3fr;
  gap:40px;
  padding-bottom:52px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-size:18px;
  font-weight:700;
  margin-bottom:16px;
}
.footer-brand__mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:32px;height:32px;
  border-radius:9px;
  background:var(--c-accent);
  color:#fff;
  font-size:14px;
}
.footer-about{font-size:14px;line-height:1.9;color:rgba(255,255,255,.66);max-width:320px;}
.footer-col h4{
  font-size:15px;
  font-weight:600;
  color:#fff;
  margin-bottom:18px;
}
.footer-col ul li{margin-bottom:12px;}
.footer-col ul li a{
  font-size:14px;
  color:rgba(255,255,255,.72);
  transition:color .2s ease;
}
.footer-col ul li a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--c-accent);text-underline-offset:4px;}
.footer-contact li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  color:rgba(255,255,255,.72);
  line-height:1.7;
}
.footer-contact li i{color:var(--c-accent);margin-top:5px;font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;
  text-align:center;
  font-size:13px;
  color:rgba(255,255,255,.6);
}

/* ---------- 弹层 ---------- */
.modal{
  position:fixed;
  inset:0;
  z-index:120;
  display:none;
  align-items:center;
  justify-content:center;
  padding:20px;
  background:rgba(11,42,34,.55);
  -webkit-backdrop-filter:blur(2px);
  backdrop-filter:blur(2px);
}
.modal.is-open{display:flex;}
.modal__dialog{
  position:relative;
  width:100%;
  max-width:520px;
  max-height:90vh;
  overflow-y:auto;
  background:var(--c-surface);
  border-radius:var(--r-glass);
  box-shadow:var(--sh-lg);
  padding:34px 30px 30px;
  animation:modalIn .2s ease both;
}
@keyframes modalIn{
  from{opacity:0;transform:scale(.96);}
  to{opacity:1;transform:scale(1);}
}
.modal__dialog h3{
  font-size:22px;
  font-weight:700;
  color:var(--c-deep);
  margin-bottom:8px;
}
.modal__hint{
  font-size:14px;
  color:var(--c-ink-2);
  margin-bottom:22px;
}
.modal__close{
  position:absolute;
  top:22px;right:22px;
  width:32px;height:32px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  background:var(--c-bg-alt);
  color:var(--c-ink-2);
  transition:background-color .2s ease,color .2s ease,transform .2s ease;
}
.modal__close:hover{background:var(--c-accent);color:#fff;transform:rotate(90deg);}
.field{margin-bottom:16px;}
.field label{
  display:block;
  font-size:14px;
  font-weight:500;
  color:var(--c-ink-2);
  margin-bottom:8px;
}
.field input,
.field select,
.field textarea{
  width:100%;
  padding:14px 16px;
  border:1px solid var(--c-line);
  border-radius:var(--r-input);
  background:var(--c-surface);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:96px;resize:vertical;}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--c-primary);
  box-shadow:0 0 0 3px var(--c-primary-100);
}
.field--check{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:13px;
  color:var(--c-ink-3);
  line-height:1.7;
  margin:18px 0 20px;
}
.field--check input{width:16px;height:16px;margin-top:4px;accent-color:var(--c-primary);}
.field--check label{font-size:13px;font-weight:400;color:var(--c-ink-3);margin:0;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .page-hero h1{font-size:42px;}
}
@media (max-width:1023px){
  :root{--nav-h:64px;--gutter:20px;}
  .nav-menu{
    position:fixed;
    top:0;right:0;
    height:100vh;
    width:290px;
    max-width:86vw;
    flex-direction:column;
    align-items:flex-start;
    gap:0;
    padding:84px 26px 32px;
    background:var(--c-deep);
    border-left:1px solid rgba(255,255,255,.12);
    box-shadow:var(--sh-lg);
    transform:translateX(102%);
    transition:transform .3s ease;
    overflow-y:auto;
    z-index:70;
  }
  body.nav-open .nav-menu{transform:translateX(0);}
  .nav-menu a{
    width:100%;
    font-size:17px;
    line-height:56px;
    padding:0;
    border-bottom:1px solid rgba(255,255,255,.1);
  }
  .nav-menu a::after{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;position:relative;z-index:75;}
  .nav-cta{display:none;}
  .section{padding:72px 0;}
  .section__head h2{font-size:28px;}
  .card-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-bar__inner{flex-direction:column;align-items:flex-start;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .page-hero{padding-top:calc(var(--nav-h) + 40px);padding-bottom:44px;}
  .page-hero h1{font-size:30px;}
  .page-hero__lead{font-size:16px;}
  .tabbar__inner{gap:22px;}
  .tab-link{font-size:14px;padding:15px 2px;}
  .section{padding:56px 0;}
  .section--tight{padding-top:48px;padding-bottom:48px;}
  .section__head{margin-bottom:32px;}
  .section__head h2{font-size:24px;}
  .svc-card__body{padding:20px 20px 22px;}
  .svc-card__title{font-size:19px;}
  .faq-item summary{padding:18px 20px;font-size:16px;}
  .faq-answer{padding:0 20px 20px;}
  .cta-bar{padding:48px 0;}
  .cta-bar h2{font-size:23px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:40px;}
  .site-footer{padding-top:56px;}
  .btn{width:100%;}
  .cta-bar .btn{width:100%;}
  .modal__dialog{padding:28px 22px 24px;}
}
@media (max-width:559px){
  .brand__text{font-size:16px;}
  .page-hero h1{font-size:26px;}
  .hero-tag{font-size:12px;padding:6px 12px;}
  .info-band{padding:16px 16px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}