/* ===== 宁海点速网 - 公共样式 v2 ===== */
/* 主色：#165DFF 辅助色：#0FC6C2 点缀：#FF7D00 */
/* 中性色：#F5F7FA #666E80 #1D2129 */
.logo img{width:20rem}
.footer-about{ padding-right: 6rem;}
/* ===== Reset & Base ===== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
body{font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;;background:#fff;line-height:1.7;overflow-x:hidden}
a{text-decoration:none;color:inherit;transition:color .3s}
ul,ol{list-style:none}
img{max-width:100%;height:auto;display:block}
button{cursor:pointer;border:none;outline:none;font-family:inherit}
input,textarea{font-family:inherit;outline:none}
.container{max-width:1280px;margin:0 auto;padding:0 24px}

/* ===== SVG Icon System ===== */
.icon{display:inline-block;width:1em;height:1em;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;vertical-align:-.125em}
.icon-solid{fill:currentColor;stroke:none}

/* ===== Typography ===== */
.section-label{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:#165DFF;background:rgba(22,93,255,.06);padding:6px 16px;border-radius:20px;margin-bottom:16px}
.section-title{font-size:40px;font-weight:700;color:#1D2129;text-align:center;margin-bottom:16px;line-height:1.25;letter-spacing:-.01em}
.section-subtitle{font-size:17px;color:#8890A6;text-align:center;max-width:720px;margin:0 auto 64px;line-height:1.7}
@media(max-width:768px){.section-title{font-size:28px}.section-subtitle{font-size:15px;margin-bottom:40px}}

/* ===== Header ===== */
.header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(255,255,255,1);backdrop-filter:blur(24px) saturate(180%);-webkit-backdrop-filter:blur(24px) saturate(180%);border-bottom:1px solid rgba(22,93,255,.06);transition:all .4s}
.header.scrolled{background:rgba(255,255,255,.95);box-shadow:0 1px 0 rgba(0,0,0,.04),0 4px 24px rgba(0,0,0,.06)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:74px;max-width:1280px;margin:0 auto;padding:0 24px}
.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700;color:#1D2129;white-space:nowrap;letter-spacing:-.01em}
.logo-icon{width:42px;height:42px;background:linear-gradient(160deg,#165DFF 0%,#1D4ED8 60%,#0EA5C0 100%);border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:22px;font-weight:700;flex-shrink:0}

.nav{display:flex;align-items:center;gap:36px}
.nav a{font-size:15px;color:#4A5060;position:relative;padding:4px 0;font-weight:500;transition:color .3s;letter-spacing:.01em}
.nav a::after{content:'';position:absolute;bottom:-2px;left:0;width:0;height:2px;background:linear-gradient(90deg,#165DFF 0%,#2563EB 50%,#0EA5C0 100%);border-radius:1px;transition:width .35s cubic-bezier(.4,0,.2,1)}
.nav a:hover,.nav a.active{color:#165DFF}
.nav a:hover::after,.nav a.active::after{width:100%}
.nav-cta{background:linear-gradient(165deg,#165DFF 0%,#1A56D8 100%);color:#fff!important;padding:10px 24px!important;border-radius:10px;font-weight:600!important;transition:all .35s!important;box-shadow:0 2px 12px rgba(22,93,255,.2)}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 6px 24px rgba(22,93,255,.35);color:#fff!important}
.nav-cta::after{display:none!important}
/* Dropdown menu */
.nav-dropdown{position:relative}
.dropdown-toggle{display:flex!important;align-items:center;gap:5px;cursor:pointer}
.dd-arrow{width:14px;height:14px;flex-shrink:0;transition:transform .3s}
.nav-dropdown:hover .dd-arrow,.nav-dropdown.open .dd-arrow{transform:rotate(180deg)}
.nav-dropdown:hover .dropdown-toggle,.nav-dropdown.open>.dropdown-toggle{color:#165DFF}
.nav-dropdown:hover .dropdown-toggle::after,.nav-dropdown.open>.dropdown-toggle::after{width:100%}
.dropdown-menu{position:absolute;top:calc(100% + 8px);left:50%;transform:translateX(-50%) translateY(6px);background:#fff;border-radius:14px;box-shadow:0 12px 48px rgba(0,0,0,.12);padding:8px;min-width:170px;opacity:0;visibility:hidden;transition:all .3s cubic-bezier(.4,0,.2,1);z-index:100;border:1px solid rgba(0,0,0,.05)}
.nav-dropdown:hover .dropdown-menu,.nav-dropdown.open>.dropdown-menu{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.dropdown-menu a{display:block;padding:12px 34px;border-radius:10px;font-size:14px;color:#4A5060!important;white-space:nowrap;transition:all .25s}
.dropdown-menu a::after{display:none!important}
.dropdown-menu a:hover{background:#F5F7FA;color:#165DFF!important}
.dropdown-menu a.active{background:rgba(22,93,255,.06);color:#165DFF!important;font-weight:600}

.menu-toggle{display:none;flex-direction:column;gap:5px;background:none;padding:8px;z-index:1001}
.menu-toggle span{display:block;width:26px;height:2px;background:#1D2129;border-radius:1px;transition:all .3s}
.menu-toggle.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.menu-toggle.active span:nth-child(2){opacity:0}
.menu-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

@media(max-width:1024px){
.nav{position:fixed;top:0;right:-100%;width:300px;height:100vh;background:#fff;flex-direction:column;padding:100px 36px 40px;gap:28px;box-shadow:-8px 0 40px rgba(0,0,0,.08);transition:right .4s cubic-bezier(.4,0,.2,1);z-index:999;align-items:flex-start}
.nav.active{right:0}
.nav a{font-size:16px}.nav .dropdown-menu a{font-size:14px}
.nav-dropdown{width:100%}
.nav .dropdown-toggle{width:100%;justify-content:space-between}
.nav .dropdown-menu{position:static;transform:none;box-shadow:none;border:none;padding:0 0 0 16px;min-width:0;opacity:1;visibility:visible;display:none;background:transparent}
.nav-dropdown.open>.dropdown-menu{display:block}
.menu-toggle{display:flex}
}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 36px;border-radius:12px;font-size:15px;font-weight:600;transition:all .35s cubic-bezier(.4,0,.2,1);white-space:nowrap;position:relative;overflow:hidden;letter-spacing:.01em}
.btn::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.15),transparent 60%);opacity:0;transition:opacity .35s}
.btn:hover::after{opacity:1}
.btn-primary{background:linear-gradient(165deg,#165DFF 0%,#1D4ED8 100%);color:#fff;box-shadow:0 4px 20px rgba(22,93,255,.25)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 32px rgba(22,93,255,.4)}
.btn-outline{border:2px solid rgba(22,93,255,.25);color:#165DFF;background:transparent}
.btn-outline:hover{background:#165DFF;color:#fff;border-color:#165DFF;transform:translateY(-2px);box-shadow:0 8px 28px rgba(22,93,255,.25)}
.btn-accent{background:linear-gradient(160deg,#FF7D00 0%,#E85D00 100%);color:#fff;box-shadow:0 4px 20px rgba(255,125,0,.25)}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 8px 32px rgba(255,125,0,.4)}
.btn-white{background:#fff;color:#165DFF;box-shadow:0 2px 12px rgba(0,0,0,.06)}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(0,0,0,.12)}
.btn-lg{padding:16px 44px;font-size:17px;border-radius:14px}

/* ===== Floating Sidebar ===== */
.float-sidebar{position:fixed;right:20px;top:50%;transform:translateY(-50%);z-index:998;display:flex;flex-direction:column;gap:10px}
.float-item{width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;cursor:pointer;position:relative;transition:all .35s cubic-bezier(.4,0,.2,1);box-shadow:0 2px 16px rgba(0,0,0,.08);background:#fff;border:1px solid rgba(0,0,0,.04)}
.float-item:hover{transform:translateX(-6px);box-shadow:0 8px 28px rgba(0,0,0,.15)}
.float-item.phone{background:linear-gradient(165deg,#165DFF,#1A56D8);border:none}
.float-item.qq{background:linear-gradient(160deg,#12B7F5,#0099CC);border:none}
.float-item.wechat{background:linear-gradient(155deg,#07C160,#06AD56);border:none}
.float-item.top{background:#2A2F3A;border:none;margin-top:16px;opacity:0;pointer-events:none;transition:all .4s}
.float-item svg{width:20px;height:20px;fill:none;stroke:#fff;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.float-item.qq svg{fill:#fff;stroke:none}
.float-item.phone svg,.float-item.wechat svg{stroke:#fff}
.float-item.top svg{stroke:#fff}
.float-item .float-tip{position:absolute;right:62px;background:#1D2129;color:#fff;font-size:13px;padding:10px 16px;border-radius:10px;white-space:nowrap;opacity:0;visibility:hidden;transform:translateX(8px);transition:all .3s cubic-bezier(.4,0,.2,1);pointer-events:none;box-shadow:0 4px 20px rgba(0,0,0,.2)}
.float-item .float-tip::after{content:'';position:absolute;right:-6px;top:50%;transform:translateY(-50%);border:6px solid transparent;border-left-color:#1D2129}
.float-item:hover .float-tip,.float-item.hover .float-tip{opacity:1;visibility:visible;transform:translateX(0);pointer-events:auto}
.float-qrcode{width:140px;padding:10px;background:#fff;border-radius:10px}
.float-qrcode img{width:100%;border-radius:6px}
.float-qrcode p{font-size:11px;color:#8890A6;text-align:center;margin-top:6px}
@media(max-width:768px){.float-sidebar{right:10px;gap:8px}.float-item{width:42px;height:42px;border-radius:12px}.float-item svg{width:16px;height:16px}}

/* ===== Footer ===== */
.footer{background:linear-gradient(180deg,#1A1D28,#1D2129);color:rgba(255,255,255,.65);padding:80px 0 0;position:relative;overflow:hidden}
.footer::before{content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);width:600px;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.08),transparent)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:48px;position:relative;z-index:1}
.footer-about p{font-size:14px;line-height:1.9;margin-top:20px}
.footer-about .logo{color:#fff;font-size:18px}
.footer h4{font-size:16px;color:#fff;margin-bottom:22px;font-weight:600;letter-spacing:.02em}
.footer-links li{margin-bottom:14px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.55);transition:all .3s;display:inline-block}
.footer-links a:hover{color:#0FC6C2;transform:translateX(4px)}
.footer-contact li{display:flex;align-items:flex-start;gap:12px;font-size:14px;margin-bottom:16px;line-height:1.6}
.footer-contact .contact-icon{flex-shrink:0;width:18px;height:18px;margin-top:2px;color:#0FC6C2}
.footer-bottom{border-top:1px solid rgba(255,255,255,.06);margin-top:56px;padding:24px 0;text-align:center;font-size:13px;color:rgba(255,255,255,.3);letter-spacing:.02em}
@media(max-width:1024px){.footer-grid{grid-template-columns:1fr 1fr;gap:40px}}
@media(max-width:640px){.footer-grid{grid-template-columns:1fr;gap:36px}.footer{padding:56px 0 0}}

/* ===== Page Header ===== */
.page-header{padding:150px 0 88px;background:linear-gradient(170deg,#F5F7FA 0%,#ECF0FB 40%,#E6F4F3 100%);text-align:center;position:relative;overflow:hidden}
.page-header::before{content:'';position:absolute;top:-40%;right:-15%;width:640px;height:640px;background:radial-gradient(circle,rgba(22,93,255,.05) 0%,transparent 70%);border-radius:50%}
.page-header::after{content:'';position:absolute;bottom:-25%;left:-10%;width:500px;height:500px;background:radial-gradient(circle,rgba(15,198,194,.04) 0%,transparent 70%);border-radius:50%}
.page-header .grid-pattern{position:absolute;inset:0;background-image:radial-gradient(rgba(22,93,255,.04) 1px,transparent 1px);background-size:24px 24px;opacity:.5}
.page-header h1{font-size:44px;font-weight:700;color:#1D2129;position:relative;z-index:1;letter-spacing:-.01em}
.page-header .breadcrumb{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:18px;font-size:14px;color:#8890A6;position:relative;z-index:1}
.page-header .breadcrumb a{color:#8890A6;transition:color .3s}
.page-header .breadcrumb a:hover{color:#165DFF}
.page-header .breadcrumb .sep{color:#CBD5E0}
.page-header .breadcrumb .current{color:#165DFF;font-weight:600}
@media(max-width:768px){.page-header{padding:128px 0 56px}.page-header h1{font-size:30px}}

/* ===== Section Common ===== */
.section{padding:104px 0}
.section-gray{background:#F5F7FA}
@media(max-width:768px){.section{padding:64px 0}}

/* ===== Card Hover Preset ===== */
.card-hover{transition:all .4s cubic-bezier(.4,0,.2,1)}
.card-hover:hover{transform:translateY(-6px);box-shadow:0 20px 56px rgba(0,0,0,.1)}

/* ===== Overlay ===== */
.menu-overlay{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:998;opacity:0;visibility:hidden;transition:all .4s}
.menu-overlay.active{opacity:1;visibility:visible}

/* ===== Animations ===== */
.fade-up{opacity:0;transform:translateY(40px);transition:all .8s cubic-bezier(.4,0,.2,1)}
.fade-up.visible{opacity:1;transform:translateY(0)}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
@keyframes shimmer{0%{background-position:-200% 0}100%{background-position:200% 0}}
@keyframes pulse-ring{0%{box-shadow:0 0 0 0 rgba(22,93,255,.4)}70%{box-shadow:0 0 0 16px rgba(22,93,255,0)}100%{box-shadow:0 0 0 0 rgba(22,93,255,0)}}

/* ===== Gradient Text ===== */
.gradient-text{background:linear-gradient(160deg,#165DFF 0%,#1D4ED8 50%,#0EA5C0 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}

/* ===== Tags / Badges ===== */
.tag{display:inline-flex;align-items:center;padding:5px 14px;border-radius:20px;font-size:12px;font-weight:500;letter-spacing:.02em}
.tag-blue{background:rgba(22,93,255,.08);color:#165DFF}
.tag-cyan{background:rgba(15,198,194,.08);color:#0B9E9A}
.tag-orange{background:rgba(255,125,0,.08);color:#E07000}

/* ===== Stats ===== */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-card{text-align:center;padding:36px 24px;background:#fff;border-radius:18px;border:1px solid rgba(22,93,255,.06);transition:all .4s;position:relative;overflow:hidden}
.stat-card::before{content:'';position:absolute;bottom:0;left:20%;right:20%;height:3px;background:linear-gradient(90deg,transparent,#165DFF,transparent);opacity:0;transition:opacity .4s}
.stat-card:hover::before{opacity:1}
.stat-card:hover{transform:translateY(-4px);box-shadow:0 12px 40px rgba(22,93,255,.08)}
.stat-number{font-size:46px;font-weight:800;color:#165DFF;line-height:1.1;letter-spacing:-.02em}
.stat-label{font-size:15px;color:#8890A6;margin-top:10px;font-weight:500}
.stat-number .plus{color:#0FC6C2}
@media(max-width:768px){.stats-grid{grid-template-columns:repeat(2,1fr)}.stat-number{font-size:34px}}

/* ===== Feature Grid ===== */
.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:28px}
.feature-card{background:#fff;border-radius:18px;padding:40px 32px;border:1px solid rgba(22,93,255,.05);transition:all .4s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}
.feature-card::after{content:'';position:absolute;top:-50%;right:-50%;width:120px;height:120px;background:radial-gradient(circle,rgba(22,93,255,.03) 0%,transparent 70%);border-radius:50%;transition:all .5s}
.feature-card:hover::after{transform:scale(2.5)}
.feature-card:hover{border-color:rgba(22,93,255,.12);box-shadow:0 16px 48px rgba(22,93,255,.08);transform:translateY(-4px)}
.feature-icon{width:56px;height:56px;border-radius:16px;display:flex;align-items:center;justify-content:center;margin-bottom:22px;position:relative;z-index:1}
.feature-icon svg{width:26px;height:26px}
.feature-icon.blue{background:linear-gradient(180deg,rgba(22,93,255,.1),rgba(22,93,255,.03));color:#165DFF}
.feature-icon.cyan{background:linear-gradient(180deg,rgba(15,198,194,.1),rgba(15,198,194,.03));color:#0FC6C2}
.feature-icon.orange{background:linear-gradient(180deg,rgba(255,125,0,.1),rgba(255,125,0,.03));color:#FF7D00}
.feature-card h3{font-size:19px;font-weight:600;color:#1D2129;margin-bottom:12px;letter-spacing:-.005em;position:relative;z-index:1}
.feature-card p{font-size:14px;color:#666E80;line-height:1.85;position:relative;z-index:1}

/* ===== CTA Section ===== */
.cta-section{background:linear-gradient(150deg,#165DFF 0%,#0F4BD8 40%,#0A3AB0 100%);padding:90px 0;text-align:center;position:relative;overflow:hidden}
.cta-section::before{content:'';position:absolute;top:-50%;right:-15%;width:600px;height:600px;background:radial-gradient(circle,rgba(15,198,194,.18) 0%,transparent 70%);border-radius:50%}
.cta-section::after{content:'';position:absolute;bottom:-40%;left:-10%;width:500px;height:500px;background:radial-gradient(circle,rgba(255,255,255,.04) 0%,transparent 70%);border-radius:50%}
.cta-section .grid-pattern{position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.04) 1px,transparent 1px);background-size:28px 28px;opacity:.4}
.cta-section h2{font-size:38px;color:#fff;font-weight:700;position:relative;z-index:1;letter-spacing:-.01em}
.cta-section p{font-size:17px;color:rgba(255,255,255,.75);margin:16px 0 40px;position:relative;z-index:1}
.cta-section .btn-group{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;position:relative;z-index:1}
@media(max-width:768px){.cta-section{padding:64px 24px}.cta-section h2{font-size:28px}}

/* ===== Decorative Dots Grid ===== */
.dots-bg{position:absolute;inset:0;pointer-events:none;background-image:radial-gradient(rgba(22,93,255,.05) 1px,transparent 1px);background-size:20px 20px}

/* ===== Pagination ===== */
.pagination{display:flex;justify-content:center;align-items:center;gap:6px;margin-top:48px;flex-wrap:wrap}
.pagination li{list-style:none}
.pagination a,.pagination span{display:flex;align-items:center;justify-content:center;min-width:40px;height:40px;padding:0 10px;border-radius:10px;font-size:14px;font-weight:500;transition:all .3s cubic-bezier(.4,0,.2,1)}
.pagination a{color:#666E80;background:#F5F7FA}
.pagination a:hover{background:rgba(22,93,255,.08);color:#165DFF}
.pagination .active span{background:linear-gradient(155deg,#165DFF 0%,#1D4ED8 100%);color:#fff;box-shadow:0 2px 12px rgba(22,93,255,.25);font-weight:600}
.pagination .disabled span{color:#CBD5E0;background:transparent;cursor:default}
@media(max-width:768px){.pagination{gap:4px;margin-top:36px}.pagination a,.pagination span{min-width:36px;height:36px;font-size:13px;border-radius:8px}}