@charset "utf-8";

/* ============================================================
   关于我们 · 全屏高端长文页
   全屏显示、不限宽、左右 40px
   ============================================================ */

:root{
	--abt-o:#206ae4; --abt-o2:#4d8fff; --abt-o3:#1856c8;
	--abt-ink:#1d2733; --abt-body:#5b6675; --abt-muted:#9aa4b2;
	--abt-line:#ebf0f6; --abt-bg:#f4f7fb; --abt-card:#ffffff;
}

body{ overflow-x:hidden; }
.abt-hero .wrap,
.abt-nav .wrap{ max-width:none; width:100%; box-sizing:border-box; padding-left:40px; padding-right:40px; overflow-x:hidden; }
.abt-main{ padding-left:40px; padding-right:40px; box-sizing:border-box; }

/* ===================== 全屏 HERO ===================== */
.abt-hero{ position:relative; overflow:hidden; background:linear-gradient(135deg,#0f1f3d 0%,#16356b 55%,#206ae4 100%); padding:70px 0 64px; margin-top:140px; }
.abt-hero-bg{ position:absolute; inset:0; pointer-events:none;
	background:
		radial-gradient(circle at 86% 10%,rgba(77,143,255,.42) 0%,transparent 44%),
		radial-gradient(circle at 4% 94%,rgba(96,165,250,.20) 0%,transparent 42%),
		repeating-linear-gradient(0deg,transparent,transparent 30px,rgba(255,255,255,.025) 30px,rgba(255,255,255,.025) 31px); }
.abt-hero-in{ position:relative; z-index:1; }
.abt-crumbs{ display:flex; align-items:center; gap:9px; color:rgba(255,255,255,.7); font-size:13.5px; margin-bottom:24px; }
.abt-crumbs > i.fa-house{ font-size:12px; color:#9cc2ff; }
.abt-crumbs a{ color:rgba(255,255,255,.7); text-decoration:none; transition:color .25s; }
.abt-crumbs a:hover{ color:#fff; }
.abt-crumbs .fa-angle-right{ font-size:11px; color:rgba(255,255,255,.4); }
.abt-crumbs span{ color:#fff; font-weight:600; }
.abt-hero-main{ display:flex; flex-direction:column; align-items:flex-start; max-width:860px; }
.abt-kicker{ display:inline-flex; align-items:center; gap:7px; background:rgba(255,255,255,.14); color:#fff; font-size:12px; font-weight:700; letter-spacing:.18em; padding:5px 14px; border-radius:30px; margin-bottom:16px; }
.abt-hero-title{ margin:0 0 16px; font-size:42px; font-weight:900; line-height:1.3; color:#fff; }
.abt-hero-sub{ margin:0 0 28px; font-size:15px; line-height:2; color:rgba(255,255,255,.8); }
.abt-hero-btn{ display:inline-flex; align-items:center; gap:9px; background:linear-gradient(135deg,#fff,#e8f0ff); color:var(--abt-o3); font-size:14px; font-weight:800; padding:13px 30px; border-radius:30px; text-decoration:none; box-shadow:0 10px 24px rgba(0,0,0,.18); transition:all .3s ease; }
.abt-hero-btn:hover{ transform:translateY(-3px); box-shadow:0 14px 30px rgba(0,0,0,.26); color:var(--abt-o3); }

/* ===================== 内容导航条 ===================== */
.abt-nav{ background:#fff; border-bottom:1px solid var(--abt-line); box-shadow:0 4px 18px rgba(20,40,80,.04); }
.abt-nav-in{ display:flex; align-items:center; gap:22px; padding-top:16px; padding-bottom:16px; }
.abt-nav-title{ flex:0 0 auto; display:inline-flex; align-items:center; gap:8px; font-size:16px; font-weight:800; color:var(--abt-ink); }
.abt-nav-title i{ color:var(--abt-o); }
.abt-nav-links{ display:flex; gap:8px; flex-wrap:wrap; }
.abt-nav-links a{ flex:0 0 auto; padding:7px 18px; border:1px solid var(--abt-line); border-radius:22px; font-size:13px; color:var(--abt-body); text-decoration:none; transition:all .22s ease; }
.abt-nav-links a:hover{ color:var(--abt-o); border-color:var(--abt-o); }
.abt-nav-links a.active{ color:#fff; background:linear-gradient(135deg,var(--abt-o),var(--abt-o3)); border-color:transparent; font-weight:700; }

/* ===================== 正文区 ===================== */
.abt-main{ background:var(--abt-bg); padding:50px 0 70px; }
.abt-article{ width:auto; background:var(--abt-card); border:1px solid var(--abt-line); border-radius:22px; padding:54px 64px; box-sizing:border-box; box-shadow:0 8px 34px rgba(20,40,80,.05); }
.abt-cta{ margin-top:30px; }
.abt-article-title{ margin:0 0 14px; font-size:30px; font-weight:900; color:var(--abt-ink); text-align:center; position:relative; padding-bottom:22px; }
.abt-article-title::after{ content:""; position:absolute; left:50%; bottom:0; transform:translateX(-50%); width:64px; height:4px; border-radius:2px; background:linear-gradient(90deg,var(--abt-o),var(--abt-o2)); }
.abt-article-meta{ display:flex; justify-content:center; gap:26px; padding-bottom:26px; margin-bottom:14px; border-bottom:1px dashed var(--abt-line); color:var(--abt-muted); font-size:13px; }
.abt-article-meta span{ display:inline-flex; align-items:center; gap:6px; }
.abt-article-meta i{ color:var(--abt-o); }
.abt-article-content{ font-size:15.5px; line-height:2.05; color:#44505f; overflow-wrap:break-word; }
.abt-article-content p{ margin:0 0 18px; }
.abt-article-content h1,.abt-article-content h2,.abt-article-content h3,.abt-article-content h4{ color:var(--abt-ink); margin:26px 0 14px; font-weight:800; }
.abt-article-content h1{ font-size:24px; } .abt-article-content h2{ font-size:22px; }
.abt-article-content h3{ font-size:19px; } .abt-article-content h4{ font-size:17px; }
.abt-article-content img{ max-width:100%; height:auto; border-radius:14px; box-shadow:0 8px 26px rgba(20,40,80,.10); margin:18px auto; display:block; }
.abt-article-content a{ color:var(--abt-o); text-decoration:underline; }
.abt-article-content ul,.abt-article-content ol{ padding-left:24px; margin:0 0 18px; }
.abt-article-content li{ margin-bottom:8px; }
.abt-article-content strong{ color:var(--abt-ink); }
.abt-article-content blockquote{ margin:20px 0; padding:16px 22px; background:#f4f8ff; border-left:4px solid var(--abt-o); border-radius:0 10px 10px 0; color:var(--abt-body); }
.abt-article-content table{ width:100%; border-collapse:collapse; margin:18px 0; }
.abt-article-content table th,.abt-article-content table td{ border:1px solid var(--abt-line); padding:10px 14px; }
.abt-article-content table th{ background:#f4f8ff; font-weight:700; color:var(--abt-ink); }

/* ===================== CTA ===================== */
.abt-cta{ margin-top:30px; }
.abt-cta-in{ position:relative; overflow:hidden; background:linear-gradient(135deg,#16356b,#206ae4); border-radius:22px; padding:52px 56px; color:#fff; text-align:center; box-shadow:0 14px 40px rgba(32,106,228,.28); }
.abt-cta-in::before{ content:""; position:absolute; right:-40px; top:-60px; width:260px; height:260px; border-radius:50%; background:rgba(255,255,255,.08); }
.abt-cta-in h3{ margin:0 0 8px; font-size:26px; font-weight:900; }
.abt-cta-in p{ margin:0 0 26px; font-size:15px; color:rgba(255,255,255,.82); }
.abt-cta-actions{ display:flex; justify-content:center; gap:14px; flex-wrap:wrap; }
.abt-btn{ display:inline-flex; align-items:center; gap:8px; font-size:14px; font-weight:800; padding:13px 30px; border-radius:30px; text-decoration:none; transition:all .3s ease; }
.abt-btn-solid{ color:#fff; background:linear-gradient(135deg,#ff7a45,#f94b4b); box-shadow:0 8px 20px rgba(249,75,75,.3); }
.abt-btn-solid:hover{ transform:translateY(-3px); box-shadow:0 12px 26px rgba(249,75,75,.4); color:#fff; }
.abt-btn-ghost{ color:#fff; background:rgba(255,255,255,.16); border:1px solid rgba(255,255,255,.4); backdrop-filter:blur(4px); }
.abt-btn-ghost:hover{ background:rgba(255,255,255,.28); transform:translateY(-3px); color:#fff; }

/* ===================== 响应式 ===================== */
@media (max-width:900px){
	.abt-hero{ margin-top:90px; padding:46px 0 42px; }
	.abt-hero-title{ font-size:32px; }
	.abt-hero-sub{ font-size:14px; }
	.abt-article{ padding:36px 28px; }
	.abt-article-title{ font-size:24px; }
	.abt-cta-in{ padding:38px 26px; }
}
@media (max-width:768px){
	.abt-main{ padding-left:16px; padding-right:16px; }
	.abt-hero{ padding:32px 0 30px; margin-top:72px; }
	.abt-hero-title{ font-size:26px; }
	.abt-hero-sub{ font-size:13px; line-height:1.8; }
	.abt-nav-in{ flex-direction:column; align-items:flex-start; gap:12px; }
	.abt-nav-links{ width:100%; flex-wrap:nowrap; overflow-x:auto; -webkit-overflow-scrolling:touch; padding-bottom:4px; }
	.abt-main{ padding-top:24px; padding-bottom:40px; }
	.abt-article{ padding:26px 18px; border-radius:16px; }
	.abt-article-title{ font-size:21px; }
	.abt-article-meta{ gap:14px; font-size:12px; flex-wrap:wrap; }
	.abt-article-content{ font-size:15px; line-height:1.95; }
	.abt-cta-in{ padding:32px 20px; }
	.abt-cta-in h3{ font-size:21px; }
	.abt-cta-actions{ flex-direction:column; }
	.abt-btn{ justify-content:center; }
}
@media (max-width:480px){
	.abt-main{ padding-left:12px; padding-right:12px; }
	.abt-hero-title{ font-size:22px; }
	.abt-article-content{ font-size:14.5px; }
}
