/* SEO优化站点样式 - 自动生成 */
:root {
    --color-primary: #ff6700;
    --color-primary-dark: #e55a00;
    --color-primary-light: #ff670033;
    --color-bg: #ffffff;
    --color-bg-gray: #f8fafc;
    --color-text: #1e293b;
    --color-text-light: #64748b;
    --color-border: #e2e8f0;
    --header-bg: rgba(255,255,255,0.98);
    --icon-color: var(--color-primary);
    --login-color: var(--color-primary);
    --radius: 8px;
    --shadow: 0 4px 24px rgba(0,0,0,0.10);
    --transition: all 0.3s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;color:var(--color-text);background:var(--color-bg);line-height:1.6}
a{color:var(--color-primary);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--color-primary-dark)}
img{max-width:100%;height:auto}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
/* Header */
.header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,0.98);backdrop-filter:blur(10px);border-bottom:1px solid var(--color-border);box-shadow:0 2px 8px rgba(0,0,0,0.06)}
.header__inner{display:flex;align-items:center;justify-content:space-between;height:70px;padding:0 20px;max-width:1200px;margin:0 auto;}
.logo{display:flex;align-items:center;justify-content:center;height:100%;min-width:140px}
.logo a{display:flex;align-items:center;justify-content:center;height:100%}
.logo__img{height:44px;width:auto;max-width:200px;object-fit:contain;vertical-align:middle}
.nav{margin-left:auto;display:flex;align-items:center}
.nav__list{display:flex;align-items:center;gap:6px;list-style:none;margin:0;padding:0}
.nav__item{margin:0;position:relative}
.nav__link{position:relative;padding:8px 18px;border-radius:6px;font-weight:500;font-size:15px;color:#374151;transition:var(--transition);display:flex;align-items:center;justify-content:center;min-width:80px;text-align:center;letter-spacing:0.5px;height:44px;box-sizing:border-box}
.nav__link:hover{color:#1a56db;background:rgba(0,0,0,0.05)}
.nav__link--active{color:#fff !important;background:var(--color-primary) !important;font-weight:600;box-shadow:0 4px 12px rgba(0,0,0,0.15)}
.nav__link--active:hover{background:var(--color-primary-dark) !important}
.mobile-menu-btn{display:none;background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--color-text)}
/* 登录按钮 */
.nav__login{margin-left:16px;display:flex;align-items:center}
.nav__login-btn{display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 20px;border-radius:6px;font-weight:600;font-size:15px;transition:var(--transition);border:2px solid var(--login-color);color:var(--login-color);box-sizing:border-box;min-width:90px;text-align:center;background:transparent}
.nav__login-btn:hover{background:var(--login-color);color:var(--color-bg);text-decoration:none}
/* Hero */
.hero{margin-top:70px;padding:100px 0;background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-dark) 100%);color:#fff;text-align:center}
.hero__title{font-size:clamp(2rem,5vw,3.5rem);font-weight:800;line-height:1.2;margin-bottom:20px}
.hero__subtitle{font-size:clamp(1rem,2vw,1.25rem);opacity:.9;max-width:600px;margin:0 auto 40px}
/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border-radius:var(--radius);font-weight:600;transition:var(--transition);cursor:pointer;border:none;font-size:1rem}
.btn--primary{background:var(--color-primary);color:#fff}
.btn--primary:hover{background:var(--color-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 25px rgba(0,0,0,.2)}
.btn--white{background:#fff;color:var(--color-primary)}
.btn--white:hover{background:#f1f5f9;color:var(--color-primary-dark)}
.btn--outline{background:transparent;color:var(--icon-color);border:2px solid var(--icon-color)}
.btn--outline:hover{background:var(--icon-color);color:var(--color-bg)}
.btn--secondary{background:var(--color-bg-gray);color:var(--color-text);border:1px solid var(--color-border)}
.btn--secondary:hover{background:var(--color-border)}
/* Section */
.section{padding:80px 0}
.section__header{text-align:center;margin-bottom:60px}
.section__title{font-size:2rem;font-weight:700;color:var(--color-text);margin-bottom:12px}
.section__subtitle{color:var(--color-text-light);font-size:1.1rem}
/* Cards */
.cards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}
.card{background:var(--color-bg-gray);border-radius:12px;padding:32px;border:1px solid var(--color-border);transition:var(--transition)}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--color-primary)}
.card__icon{font-size:2.5rem;color:var(--icon-color);margin-bottom:16px}
.card__title{font-size:1.25rem;font-weight:600;margin-bottom:12px}
.card__text{color:var(--color-text-light)}
/* News */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:var(--color-bg-gray);border-radius:12px;overflow:hidden;border:1px solid var(--color-border);transition:var(--transition)}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.news-card__img{width:100%;height:200px;object-fit:cover;background:linear-gradient(135deg,var(--color-primary-light),var(--color-primary));display:flex;align-items:center;justify-content:center;font-size:3rem;color:var(--icon-color)}
.news-card__body{padding:20px}
.news-card__title{font-size:1.1rem;font-weight:600;margin-bottom:8px;line-height:1.4;color:var(--color-text)}
.news-card__title a{color:inherit;text-decoration:none}
.news-card__meta{color:var(--color-text-light);font-size:.875rem;margin-bottom:12px}
.news-card__excerpt{color:var(--color-text-light);font-size:.9rem;line-height:1.6}
/* Page Banner */
.page-banner{margin-top:70px;padding:80px 0;background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-dark) 100%);color:#fff;text-align:center}
.page-banner h1{font-size:2.5rem;font-weight:700;margin-bottom:12px}
.page-banner p{font-size:1.1rem;opacity:.9}
/* Footer */
.footer{background:var(--color-bg-gray);border-top:1px solid var(--color-border);padding:60px 0 20px}
.footer__top{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:40px;margin-bottom:40px}
.footer__title{font-size:1.1rem;font-weight:600;margin-bottom:16px;color:var(--color-text)}
.footer__text{color:var(--color-text-light);line-height:1.8}
.footer__links{list-style:none}
.footer__links li{margin-bottom:8px}
.footer__links a{color:var(--color-text-light);transition:var(--transition)}
.footer__links a:hover{color:var(--color-primary)}
.footer__contact{list-style:none}
.footer__contact li{display:flex;align-items:center;gap:10px;margin-bottom:10px;color:var(--color-text-light)}
.footer__contact i{color:var(--icon-color);width:16px}
.footer__bottom{border-top:1px solid var(--color-border);padding-top:20px;text-align:center}
.footer__copyright{color:var(--color-text-light);font-size:.875rem}
.footer__copyright a,.footer__link{color:var(--color-text-light);text-decoration:none}
.footer__copyright a:hover,.footer__link:hover{color:var(--color-primary)}
.footer__icp{margin:0 8px}
/* Stats */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:24px}
.stat-item{text-align:center;padding:32px}
.stat-number{font-size:3rem;font-weight:800;color:var(--icon-color);line-height:1}
.stat-label{color:var(--color-text-light);margin-top:8px}
/* Forms */
.form-group{margin-bottom:20px}
.form-label{display:block;margin-bottom:8px;font-weight:500;color:var(--color-text)}
.form-control{width:100%;padding:12px 16px;border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-bg);color:var(--color-text);font-size:1rem;transition:var(--transition)}
.form-control:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-light)}
textarea.form-control{resize:vertical;min-height:120px}
/* Pagination */
.pagination{display:flex;justify-content:center;gap:8px;margin-top:48px;flex-wrap:wrap}
/* Responsive */
@media(max-width:768px){
    .nav{display:none}.nav.open{display:block;position:fixed;top:70px;left:0;right:0;background:var(--header-bg);padding:20px;border-bottom:1px solid var(--color-border)}
    .nav__list{flex-direction:column}
    .nav__login{display:flex;align-items:center;margin-left:auto}
    .nav__login-btn{width:auto;max-width:none;height:36px;padding:0 16px;font-size:14px}
    .mobile-menu-btn{display:flex;align-items:center;margin-left:12px}
    .header__inner{justify-content:space-between;gap:8px}
    .hero{padding:60px 0}
    .section{padding:60px 0}
    .footer__top{grid-template-columns:1fr}
}

.logo{height:44px}
.logo a{height:44px}
@media(max-width:768px){.logo{height:36px}.logo a{height:36px}}