/* ============================================================
   小快智造招商官网  ·  样式表
   视觉基调：浅色大留白 + 品牌绿（对标碧澄能源 PCGPOWER）
   ============================================================ */

:root{
    --green:        #00A868;
    --green-dark:   #008556;
    --green-light:  #4ADE9F;
    --green-bg:     #E8F7F0;
    --green-bg-2:   #F0FAF5;
    --green-ink:    #1D6B4E;

    --dark:         #0A1712;
    --dark-card:    #12211B;
    --dark-num:     #1D6B4E;

    --gray-bg:      #F5F8F6;
    --gray-soft:    #F7FAF8;
    --gray-holder:  #F2F5F3;

    --ink:          #0E1A15;
    --ink-2:        #46544E;
    --ink-3:        #5A6B63;
    --ink-4:        #8A968F;

    --line:         #E3EBE7;
    --line-2:       #EDF1EF;
    --line-3:       #DDE5E1;

    --lock:         #C2410C;

    --radius:       14px;
    --radius-lg:    16px;
    --shadow-sm:    0 2px 8px rgba(10,23,18,.04);
    --shadow-md:    0 12px 32px rgba(10,23,18,.08);
    --shadow-lg:    0 24px 64px rgba(10,23,18,.12);

    --font: 'Noto Sans SC','PingFang SC','Microsoft YaHei','Helvetica Neue',Helvetica,Arial,sans-serif;
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
    font-family:var(--font);
    color:var(--ink);
    background:#fff;
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{text-decoration:none;color:inherit;}
ul{list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;outline:none;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--green);outline-offset:3px;}

.wrap{max-width:1200px;margin:0 auto;padding:0 24px;}

/* ── 通用文字 ───────────────────────────────── */
.eyebrow{
    font-size:12px;font-weight:600;letter-spacing:2px;
    color:var(--green);margin-bottom:16px;
}
.sec-title{font-size:40px;font-weight:700;line-height:1.2;letter-spacing:-.5px;color:var(--ink);}
.sec-desc{font-size:16px;line-height:1.8;color:var(--ink-2);margin-top:16px;max-width:620px;}
.link-arrow{
    font-size:15px;font-weight:500;color:var(--green);
    display:inline-flex;align-items:center;gap:6px;white-space:nowrap;
    transition:gap .2s ease;
}
.link-arrow:hover{gap:12px;}
.link-arrow svg{width:16px;height:16px;}

/* ── 按钮 ───────────────────────────────── */
.btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:52px;padding:0 28px;border-radius:8px;
    font-size:15px;font-weight:600;cursor:pointer;border:none;
    transition:all .22s ease;white-space:nowrap;
}
.btn-primary{background:var(--green);color:#fff;}
.btn-primary:hover{background:var(--green-dark);transform:translateY(-2px);box-shadow:0 12px 28px rgba(0,168,104,.28);}
.btn-outline{background:transparent;color:var(--green);border:1px solid rgba(0,168,104,.5);}
.btn-outline:hover{background:var(--green-bg);border-color:var(--green);}
.btn-ghost-light{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.45);}
.btn-ghost-light:hover{background:rgba(255,255,255,.16);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}

/* ── 头部 ───────────────────────────────── */
.site-header{
    position:sticky;top:0;z-index:120;height:76px;
    background:rgba(255,255,255,.92);backdrop-filter:blur(16px);
    border-bottom:1px solid var(--line);
}
.header-inner{
    max-width:1248px;margin:0 auto;padding:0 24px;height:76px;
    display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.logo{display:flex;align-items:center;flex-shrink:0;}
.logo img{height:34px;width:auto;object-fit:contain;}
.nav{display:flex;align-items:center;gap:30px;}
.nav a{font-size:15px;color:var(--ink-2);transition:color .2s;}
.nav a:hover{color:var(--green);}
.nav a.active{color:var(--green);font-weight:600;}
.nav-btn{
    height:40px;padding:0 20px;border-radius:8px;background:var(--green);
    color:#fff;font-size:14px;font-weight:600;
    display:inline-flex;align-items:center;transition:all .22s ease;
}
.nav-btn:hover{background:var(--green-dark);transform:translateY(-1px);}
.nav-toggle{
    display:none;width:44px;height:44px;border:none;background:transparent;
    cursor:pointer;position:relative;padding:0;
}
.nav-toggle i{
    display:block;width:20px;height:2px;background:var(--ink);margin:4px auto;border-radius:2px;
    transition:transform .28s ease,opacity .2s ease;
}
/* 汉堡 → 叉号 */
.nav-toggle.is-active i:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-active i:nth-child(2){opacity:0;}
.nav-toggle.is-active i:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ── HERO ───────────────────────────────── */
.hero{position:relative;height:660px;display:flex;align-items:center;overflow:hidden;}
.hero-bg{position:absolute;inset:0;}
.hero-bg img{width:100%;height:100%;object-fit:cover;}

/* ── 首屏 Banner 轮播 ─────────────────────── */
.hero-slide{position:absolute;inset:0;opacity:0;transition:opacity .7s ease;visibility:hidden;}
.hero-slide.is-active{opacity:1;visibility:visible;}
.hero-slide img{width:100%;height:100%;object-fit:cover;display:block;}
.hero-arrow{
    position:absolute;top:50%;transform:translateY(-50%);z-index:3;
    width:48px;height:48px;padding:0;border:none;background:transparent;cursor:pointer;
    display:flex;align-items:center;justify-content:center;opacity:.75;transition:opacity .2s,transform .2s;
}
.hero-arrow:hover{opacity:1;}
.hero-arrow:focus-visible{outline:2px solid var(--green-light);outline-offset:4px;border-radius:50%;}
.hero-arrow-prev{left:36px;}
.hero-arrow-next{right:36px;}
.hero-dots{
    position:absolute;left:0;right:0;bottom:44px;z-index:3;
    max-width:1200px;margin:0 auto;padding:0 24px;
    display:flex;align-items:center;gap:10px;pointer-events:none;
}
.hero-dot{
    pointer-events:auto;width:44px;height:44px;padding:0;border:none;border-radius:50%;
    background:transparent;cursor:pointer;display:flex;align-items:center;justify-content:center;
}
.hero-dot::before{content:'';width:8px;height:8px;border-radius:4px;background:rgba(255,255,255,.45);transition:width .3s,background .3s;}
.hero-dot.is-active::before{width:28px;background:var(--green-light);}
.hero-dot:focus-visible{outline:2px solid #fff;outline-offset:3px;}
.hero-count{
    position:absolute;left:0;right:0;bottom:40px;z-index:3;
    max-width:1200px;margin:0 auto;padding:0 24px;
    text-align:right;font-size:13px;font-weight:600;letter-spacing:1.5px;
    color:rgba(255,255,255,.75);pointer-events:none;
}
.hero-mask{position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,rgba(6,18,13,.86) 0%,rgba(6,18,13,.68) 45%,rgba(6,18,13,.35) 100%);}
.hero-content{position:relative;z-index:2;width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.hero-eyebrow{
    display:inline-flex;align-items:center;gap:10px;
    font-size:13px;font-weight:500;color:var(--green-light);margin-bottom:24px;
}
.hero-eyebrow::before{content:'';width:32px;height:1px;background:var(--green-light);}
.hero-title{font-size:64px;font-weight:700;line-height:1.14;color:#fff;letter-spacing:-1px;}
.hero-sub{font-size:17px;line-height:1.85;color:rgba(255,255,255,.78);margin-top:28px;max-width:560px;}
.hero-actions{display:flex;gap:16px;margin-top:40px;flex-wrap:wrap;}
.hero-stats{
    display:flex;gap:56px;margin-top:56px;padding-top:32px;
    border-top:1px solid rgba(255,255,255,.22);flex-wrap:wrap;
}
.h-stat-val{font-size:34px;font-weight:700;color:#fff;line-height:1.1;letter-spacing:-.5px;}
.h-stat-val em{font-style:normal;color:var(--green-light);}
.h-stat-lbl{font-size:13px;color:rgba(255,255,255,.66);margin-top:6px;}

/* ── 区块骨架 ───────────────────────────────── */
.section{padding:100px 0;}
.section-gray{background:var(--gray-bg);}
.section-green{background:var(--green-bg);}
.section-dark{background:var(--dark);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:56px;}
.sec-head.center{flex-direction:column;align-items:center;text-align:center;}
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease;}
.reveal.visible{opacity:1;transform:none;}

/* ── 关于小快 ───────────────────────────────── */
.about-row{display:flex;gap:80px;align-items:center;}
.about-left{flex:0 0 600px;max-width:600px;}
.about-right{flex:1;}
.about-img{width:100%;height:360px;object-fit:cover;border-radius:var(--radius);}
.about-paras{display:flex;flex-direction:column;gap:20px;}
.about-paras p{font-size:16px;line-height:1.85;color:var(--ink-2);}
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:56px;}
.value-card{background:var(--gray-bg);border-radius:var(--radius);padding:28px 26px;}
.value-card h4{font-size:17px;font-weight:600;margin:14px 0 10px;color:var(--ink);}
.value-card p{font-size:14px;line-height:1.8;color:var(--ink-3);}
.value-num{font-size:12px;font-weight:600;letter-spacing:2px;color:var(--green);}

.stats-bar{
    display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:64px;
    border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:40px 0;
}
.stats-bar > div{text-align:center;position:relative;}
.stats-bar > div + div::before{content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);width:1px;height:48px;background:var(--line);}
.s-val{font-size:38px;font-weight:700;color:var(--ink);letter-spacing:-1px;line-height:1.1;}
.s-val em{font-style:normal;color:var(--green);}
.s-lbl{font-size:14px;color:var(--ink-3);margin-top:8px;}

/* ── 产品 ───────────────────────────────── */
.products{display:grid;grid-template-columns:repeat(6,1fr);gap:24px;}
.p-card{
    grid-column:span 2;background:#fff;border:1px solid var(--line);
    border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;
    transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.p-card.wide{grid-column:span 3;}
.p-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:rgba(0,168,104,.4);}
.p-visual{position:relative;height:230px;background:var(--gray-soft);display:flex;align-items:center;justify-content:center;overflow:hidden;}
.p-visual img{max-width:78%;max-height:78%;object-fit:contain;transition:transform .4s ease;}
.p-card:hover .p-visual img{transform:scale(1.05);}
.p-tag{
    position:absolute;top:14px;left:14px;background:var(--green);color:#fff;
    font-size:12px;font-weight:600;padding:4px 10px;border-radius:6px;
}
.p-body{padding:24px;flex:1;display:flex;flex-direction:column;}
.p-name{font-size:20px;font-weight:600;color:var(--ink);margin-bottom:12px;}
.p-desc{font-size:14px;line-height:1.8;color:var(--ink-3);flex:1;}
.p-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.p-tag-item{
    font-size:12px;color:var(--green-ink);background:var(--green-bg-2);
    border:1px solid rgba(0,168,104,.18);padding:4px 10px;border-radius:6px;
}

/* ── 合作模式 ───────────────────────────────── */
.modes{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.mode-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
    padding:48px;position:relative;transition:box-shadow .3s ease,transform .3s ease;
}
.mode-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px);}
.mode-card.featured{border:1.5px solid var(--green);box-shadow:0 0 0 4px rgba(0,168,104,.06);}
.mode-card[data-mode-card]{cursor:pointer;}
.mode-card[data-mode-card]:focus-visible{outline:3px solid rgba(0,168,104,.28);outline-offset:3px;}
.mode-badge{
    display:inline-block;background:var(--green);color:#fff;font-size:12px;font-weight:600;
    padding:5px 12px;border-radius:6px;margin-bottom:24px;
}
.mode-badge.gray{background:var(--ink-3);}
.mode-title{font-size:28px;font-weight:700;color:var(--ink);margin-bottom:14px;}
.mode-desc{font-size:15px;line-height:1.8;color:var(--ink-3);margin-bottom:32px;}
.mode-list{display:flex;flex-direction:column;gap:14px;margin-bottom:32px;}
.mode-item{display:flex;align-items:center;gap:12px;font-size:15px;color:var(--ink-2);}
.mode-check{
    flex:0 0 20px;width:20px;height:20px;border-radius:50%;background:var(--green);
    display:flex;align-items:center;justify-content:center;
}
.mode-check svg{width:11px;height:11px;}

/* ── 六大理由（深色） ───────────────────────────────── */
.sec-title.light{color:#fff;}
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.why-card{
    border:1px solid rgba(255,255,255,.09);border-radius:var(--radius);padding:32px 28px;
    background:rgba(255,255,255,.02);transition:all .3s ease;
}
.why-card:hover{background:rgba(255,255,255,.05);border-color:rgba(0,168,104,.45);transform:translateY(-4px);}
.why-num{font-size:28px;font-weight:700;color:var(--dark-num);letter-spacing:1px;margin-bottom:18px;}
.why-title{font-size:19px;font-weight:600;color:#fff;margin-bottom:12px;}
.why-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.58);}

/* ── 流程 ───────────────────────────────── */
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.proc-step{text-align:center;}
.proc-circle{
    width:72px;height:72px;border-radius:50%;background:var(--green);color:#fff;
    font-size:22px;font-weight:700;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;
}
.proc-title{font-size:18px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.proc-desc{font-size:14px;color:var(--ink-3);line-height:1.7;}

/* ── 案例 ───────────────────────────────── */
.cases{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.case-card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;transition:all .3s ease;}
.case-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px);}
.case-img{height:200px;overflow:hidden;}
.case-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.case-card:hover .case-img img{transform:scale(1.06);}
.case-body{padding:24px;}
.case-cat{font-size:12px;font-weight:600;color:var(--green);letter-spacing:1px;margin-bottom:10px;}
.case-title{font-size:18px;font-weight:600;color:var(--ink);margin-bottom:10px;}
.case-desc{font-size:14px;line-height:1.75;color:var(--ink-3);}

/* ── 资料下载入口 ───────────────────────────────── */
.dl-cats{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.dl-cat{
    background:#fff;border-radius:var(--radius);padding:28px 26px;
    display:flex;flex-direction:column;gap:12px;transition:all .3s ease;cursor:pointer;
}
.dl-cat:hover{box-shadow:var(--shadow-md);transform:translateY(-4px);}
.dl-cat h4{font-size:17px;font-weight:600;color:var(--ink);}
.dl-cat p{font-size:13px;line-height:1.75;color:var(--ink-3);flex:1;}
.dl-cat-note{font-size:13px;font-weight:600;color:var(--green);}
.dl-cat-note.lock{color:var(--lock);}
.dl-center{text-align:center;margin-top:48px;}

/* ── 联系 / 表单 ───────────────────────────────── */
.contact{display:grid;grid-template-columns:480px 1fr;gap:80px;align-items:start;}
.contact h2{font-size:40px;font-weight:700;line-height:1.25;color:var(--ink);}
.contact h2 em{font-style:normal;color:var(--green);}
.contact-lead{font-size:16px;line-height:1.85;color:var(--ink-2);margin-top:20px;}
.c-methods{display:flex;flex-direction:column;gap:18px;margin-top:36px;}
.c-method{display:flex;gap:14px;align-items:flex-start;}
.c-icon{
    flex:0 0 44px;width:44px;height:44px;border-radius:10px;background:var(--green-bg);
    display:flex;align-items:center;justify-content:center;
}
.c-icon svg{width:20px;height:20px;}
.c-lbl{font-size:13px;color:var(--ink-4);}
.c-val{font-size:16px;font-weight:600;color:var(--ink);line-height:1.5;}
.form-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
    padding:40px;box-shadow:var(--shadow-sm);
}
.form-head{font-size:24px;font-weight:600;color:var(--ink);margin-bottom:28px;}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.fg{margin-bottom:18px;display:flex;flex-direction:column;gap:8px;}
.fg label{font-size:13px;font-weight:500;color:var(--ink-2);}
.fg label .req{color:var(--green);}
.fg input,.fg select,.fg textarea{
    border:1px solid var(--line-3);border-radius:8px;height:46px;padding:0 14px;
    font-size:14px;color:var(--ink);background:#fff;transition:border-color .2s,box-shadow .2s;width:100%;
}
.fg textarea{height:96px;padding:14px;resize:vertical;line-height:1.7;}
.fg select{appearance:none;background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16' fill='none'%3E%3Cpath d='M4 6.5L8 10.5L12 6.5' stroke='%238A968F' stroke-width='1.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;}
.fg input:focus,.fg select:focus,.fg textarea:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(0,168,104,.12);}
.form-note{font-size:12px;color:var(--ink-4);margin-top:14px;text-align:center;line-height:1.7;}

/* ── 页脚 ───────────────────────────────── */
.site-footer{background:var(--dark);color:rgba(255,255,255,.6);}
.footer-top{
    max-width:1200px;margin:0 auto;padding:56px 24px;
    display:grid;grid-template-columns:320px repeat(3,1fr);gap:40px;
}
.f-brand-name{font-size:20px;font-weight:700;color:#fff;margin-bottom:12px;}
.f-brand-slogan{font-size:14px;color:var(--green-light);line-height:1.7;margin-bottom:16px;}
.f-brand-addr{font-size:13px;line-height:1.8;color:rgba(255,255,255,.5);}
.f-col h5{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;}
.f-col ul{display:flex;flex-direction:column;gap:12px;}
.f-col a{font-size:14px;color:rgba(255,255,255,.55);transition:color .2s;}
.f-col a:hover{color:var(--green-light);}
.footer-divider{height:1px;background:rgba(255,255,255,.08);}
.footer-bottom{
    max-width:1200px;margin:0 auto;padding:32px 24px;
    display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.footer-bottom span{font-size:13px;color:rgba(255,255,255,.45);}

/* ── 下载页 Banner ───────────────────────────────── */
.page-banner{position:relative;height:380px;display:flex;align-items:center;overflow:hidden;}
.page-banner img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.page-banner .mask{position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,18,13,.85),rgba(6,18,13,.5));}
.banner-content{position:relative;z-index:2;width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.crumb{font-size:14px;color:rgba(255,255,255,.6);margin-bottom:20px;}
.crumb a{color:rgba(255,255,255,.75);}
.crumb a:hover{color:var(--green-light);}
.banner-title{font-size:48px;font-weight:700;color:#fff;letter-spacing:-.5px;}
.banner-desc{font-size:16px;color:rgba(255,255,255,.72);margin-top:18px;max-width:620px;line-height:1.8;}

/* ── 下载页主体 ───────────────────────────────── */
.dl-toolbar{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px;}
.tabs{display:flex;gap:10px;flex-wrap:wrap;}
.tab{
    height:44px;padding:0 18px;border-radius:22px;border:1px solid var(--line);
    background:#fff;font-size:14px;color:var(--ink-2);cursor:pointer;transition:all .2s;
}
.tab:hover{border-color:var(--green);color:var(--green);}
.tab.active{background:var(--green);border-color:var(--green);color:#fff;font-weight:500;}
.search-box{position:relative;width:280px;}
.search-box input{
    width:100%;height:44px;border:1px solid var(--line);border-radius:8px;
    padding:0 14px 0 40px;font-size:14px;background:#fff;
}
.search-box input:focus{border-color:var(--green);}
.search-box svg{position:absolute;left:14px;top:11px;width:16px;height:16px;}

.dl-subtitle{font-size:24px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.dl-subnote{font-size:14px;color:var(--ink-3);}

.free-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:28px;}
.res-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    padding:26px 24px;display:flex;flex-direction:column;gap:14px;transition:all .3s ease;
}
.res-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px);border-color:rgba(0,168,104,.4);}
.res-icon{width:44px;height:44px;border-radius:10px;background:var(--green-bg);display:flex;align-items:center;justify-content:center;}
.res-icon svg{width:22px;height:22px;}
.res-name{font-size:16px;font-weight:600;color:var(--ink);line-height:1.5;}
.res-meta{font-size:13px;color:var(--ink-4);}
.res-action{margin-top:auto;padding-top:8px;}

.locked-block{margin-top:72px;}
.res-list{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-top:28px;}
.res-head{
    display:grid;grid-template-columns:1fr 260px 120px;gap:24px;align-items:center;
    padding:14px 28px;background:var(--gray-soft);font-size:13px;font-weight:500;color:var(--ink-3);
}
.res-head .r-op{text-align:right;}
.res-row{
    display:grid;grid-template-columns:1fr 260px 120px;gap:24px;align-items:center;
    padding:22px 28px;border-top:1px solid var(--line-2);background:#fff;transition:background .2s;
}
.res-row:hover{background:var(--gray-soft);}
.res-row-name{font-size:16px;font-weight:500;color:var(--ink);}
.res-row-meta{font-size:13px;color:var(--ink-4);}
.res-row-op{text-align:right;}
.list-tip{
    padding:16px 28px;background:var(--green-bg-2);border-top:1px solid var(--line-2);
    font-size:13px;color:var(--green-ink);line-height:1.7;
}
.empty-tip{padding:48px 28px;text-align:center;color:var(--ink-4);font-size:14px;border-top:1px solid var(--line-2);display:none;}

/* ── CTA 条 ───────────────────────────────── */
.cta-band{background:var(--green-bg);padding:56px 0;}
.cta-inner{max-width:1200px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;}
.cta-inner h3{font-size:28px;font-weight:700;color:var(--ink);}
.cta-inner p{font-size:15px;color:var(--ink-2);margin-top:10px;}

/* ── 弹窗 ───────────────────────────────── */
.modal-overlay{
    position:fixed;inset:0;background:rgba(10,23,18,.55);z-index:200;
    display:none;align-items:center;justify-content:center;padding:24px;
}
.modal-overlay.open{display:flex;}
.modal-card{
    width:480px;max-width:100%;background:#fff;border-radius:var(--radius-lg);
    padding:32px;box-shadow:var(--shadow-lg);position:relative;max-height:90vh;overflow:auto;
}
.modal-close{
    position:absolute;top:24px;right:24px;width:28px;height:28px;border:none;background:transparent;
    cursor:pointer;border-radius:6px;display:flex;align-items:center;justify-content:center;
}
.modal-close:hover{background:var(--gray-bg);}
.modal-card.small{width:420px;text-align:center;}
.m-eyebrow{font-size:11px;font-weight:600;letter-spacing:1.6px;color:var(--green);}
.m-title{font-size:22px;font-weight:700;color:var(--ink);margin-top:6px;}
.m-row{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-top:20px;}
.m-chip{
    display:flex;align-items:center;gap:10px;background:var(--green-bg-2);border-radius:8px;
    padding:12px 14px;font-size:14px;font-weight:500;color:var(--green-ink);margin-top:20px;
}
.m-chip svg{width:18px;height:18px;flex-shrink:0;}
.m-field{display:flex;flex-direction:column;gap:8px;margin-top:16px;}
.m-field label{font-size:13px;font-weight:500;color:var(--ink-2);}
.m-field input,.m-field select{
    height:46px;border:1px solid var(--line-3);border-radius:8px;padding:0 14px;font-size:14px;width:100%;
}
.m-field select{appearance:none;background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16' fill='none'%3E%3Cpath d='M4 6.5L8 10.5L12 6.5' stroke='%238A968F' stroke-width='1.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;}
.m-field input:focus,.m-field select:focus{border-color:var(--green);}
.m-code{display:flex;gap:12px;}
.m-code input{flex:1;}
.m-code .btn-outline{flex:0 0 116px;}
.m-submit{margin-top:24px;}
.m-note{font-size:12px;color:var(--ink-4);line-height:1.7;margin-top:14px;text-align:center;}
.m-success-icon{width:64px;height:64px;margin:0 auto 20px;}
.m-actions{display:flex;gap:12px;justify-content:center;margin-top:28px;}

/* ── Toast ───────────────────────────────── */
.toast{
    position:fixed;left:50%;bottom:40px;transform:translateX(-50%) translateY(20px);
    background:var(--dark);color:#fff;font-size:14px;padding:14px 22px;border-radius:10px;
    box-shadow:var(--shadow-lg);opacity:0;pointer-events:none;transition:all .3s ease;z-index:300;
    max-width:90vw;text-align:center;line-height:1.6;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0);}

/* ── 表单校验反馈 ───────────────────────────────── */
.field-err{
    display:none;font-size:12px;color:#C2410C;line-height:1.6;margin-top:2px;
    align-items:center;gap:5px;
}
.field-err::before{
    content:'!';display:inline-flex;align-items:center;justify-content:center;
    width:14px;height:14px;border-radius:50%;background:#C2410C;color:#fff;
    font-size:10px;font-weight:700;flex-shrink:0;
}
.field-err.show{display:flex;}
.fg input.invalid,.fg select.invalid,.fg textarea.invalid,
.m-field input.invalid,.m-field select.invalid{
    border-color:#C2410C;
}
.fg input.invalid:focus,.m-field input.invalid:focus{
    box-shadow:0 0 0 3px rgba(194,65,12,.12);
}

/* ── 按钮 loading ───────────────────────────────── */
.btn.is-loading{opacity:.82;cursor:not-allowed;transform:none !important;box-shadow:none !important;}
.btn.is-loading:hover{background:var(--green);}
.btn-outline.is-loading:hover{background:transparent;}
.spinner{
    width:14px;height:14px;border:2px solid rgba(255,255,255,.35);
    border-top-color:#fff;border-radius:50%;flex-shrink:0;
    animation:spin .7s linear infinite;
}
.btn-outline .spinner{border-color:rgba(0,168,104,.3);border-top-color:var(--green);}
@keyframes spin{to{transform:rotate(360deg);}}

/* ── 资料卡简介 ───────────────────────────────── */
.res-desc{font-size:13px;line-height:1.7;color:var(--ink-3);}

/* ── 微信二维码卡片 ───────────────────────────────── */
.qr-card{
    display:flex;align-items:center;gap:18px;margin-top:32px;padding:20px;
    background:var(--green-bg-2);border:1px solid rgba(0,168,104,.16);border-radius:var(--radius);
}
.qr-img{
    flex:0 0 116px;width:116px;height:116px;border-radius:10px;background:#fff;
    padding:6px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
}
.qr-img img{width:100%;height:100%;object-fit:contain;image-rendering:crisp-edges;}
.qr-txt{display:flex;flex-direction:column;gap:6px;min-width:0;}
.qr-title{font-size:16px;font-weight:600;color:var(--ink);}
.qr-note{font-size:13px;color:var(--ink-3);line-height:1.7;}
.qr-tag{
    align-self:flex-start;font-size:12px;font-weight:600;color:var(--green-ink);
    background:#fff;border:1px solid rgba(0,168,104,.2);padding:3px 9px;border-radius:5px;
}

/* ── 提交成功页 ───────────────────────────────── */
.success-hero{padding:64px 0 80px;background:linear-gradient(180deg,var(--green-bg-2) 0%,#fff 320px);}
.success-card{
    max-width:820px;margin:0 auto;background:#fff;border:1px solid var(--line);
    border-radius:18px;padding:48px 56px 44px;box-shadow:var(--shadow-md);text-align:center;
}
.success-icon{width:88px;height:88px;margin:0 auto 20px;}
.success-icon svg{width:100%;height:100%;}
.si-fill{transform-origin:center;animation:pop .45s cubic-bezier(.34,1.56,.64,1) both;}
.si-tick{stroke-dasharray:40;stroke-dashoffset:40;animation:draw .4s .35s ease forwards;}
@keyframes pop{0%{transform:scale(0);opacity:0}100%{transform:scale(1);opacity:1}}
@keyframes draw{to{stroke-dashoffset:0}}
.success-eyebrow{font-size:11px;font-weight:600;letter-spacing:2px;color:var(--green);}
.success-title{font-size:34px;font-weight:700;color:var(--ink);margin-top:10px;letter-spacing:-.5px;}
.success-lead{font-size:15px;line-height:1.85;color:var(--ink-2);margin-top:16px;max-width:560px;margin-left:auto;margin-right:auto;}
.success-lead strong{color:var(--green);}
.success-nobox{
    display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-2);
    border:1px solid var(--line-2);border-radius:12px;overflow:hidden;margin-top:32px;text-align:left;
}
.sn-item{background:#fff;padding:16px 18px;display:flex;flex-direction:column;gap:5px;}
.sn-lbl{font-size:12px;color:var(--ink-4);}
.sn-val{font-size:15px;font-weight:600;color:var(--ink);word-break:break-all;}
.success-steps{display:flex;align-items:flex-start;margin-top:40px;text-align:center;}
.sstep{flex:1;display:flex;flex-direction:column;align-items:center;gap:8px;position:relative;}
.sstep + .sstep::before{
    content:'';position:absolute;top:17px;left:-50%;width:100%;height:2px;
    background:var(--line-2);z-index:0;
}
.sstep.done + .sstep::before{background:var(--green);}
.sstep-dot{
    width:36px;height:36px;border-radius:50%;background:var(--gray-bg);color:var(--ink-4);
    font-size:14px;font-weight:700;display:flex;align-items:center;justify-content:center;
    position:relative;z-index:1;border:1px solid var(--line);
}
.sstep.done .sstep-dot{background:var(--green);border-color:var(--green);color:#fff;}
.sstep.active .sstep-dot{background:#fff;border:2px solid var(--green);color:var(--green);}
.sstep-txt{font-size:14px;font-weight:500;color:var(--ink);}
.sstep-sub{font-size:12px;color:var(--ink-4);}
.sstep:not(.done):not(.active) .sstep-txt{color:var(--ink-4);}
.success-actions{display:flex;gap:14px;justify-content:center;margin-top:40px;flex-wrap:wrap;}
.success-contact{
    display:flex;gap:24px;align-items:center;justify-content:space-between;
    margin-top:36px;padding:24px;background:var(--gray-soft);border-radius:12px;text-align:left;flex-wrap:wrap;
}
.sc-block{display:flex;flex-direction:column;gap:5px;}
.sc-qr{gap:14px;flex-direction:row;align-items:center;}
.sc-qr-img{
    flex:0 0 82px;width:82px;height:82px;background:#fff;border:1px solid var(--line);
    border-radius:8px;padding:4px;display:flex;align-items:center;justify-content:center;
}
.sc-qr-img img{width:100%;height:100%;object-fit:contain;}
.sc-lbl{font-size:13px;color:var(--ink-3);}
.sc-phone{font-size:22px;font-weight:700;color:var(--green);letter-spacing:.5px;}
.sc-phone:hover{color:var(--green-dark);}
.sc-note{font-size:12px;color:var(--ink-4);}
.success-tip{
    margin-top:24px;font-size:13px;color:var(--ink-4);line-height:1.8;
    background:var(--gray-soft);border-radius:10px;padding:14px 18px;text-align:left;
}

/* ── 页脚备案号 ───────────────────────────────── */
.f-beian{
    display:inline-flex;align-items:center;font-size:13px;
    color:rgba(255,255,255,.45);transition:color .2s;white-space:nowrap;
}
.f-beian:hover{color:var(--green-light);}

/* ── 资料筹备中（未上传文件） ───────────────────────────────── */
.res-card.is-pending .res-name{color:var(--ink-2);}
.res-card.is-pending .res-icon{background:var(--gray-bg);}
.res-pending{
    display:inline-flex;flex-direction:column;align-items:flex-start;gap:2px;
    width:100%;padding:9px 14px;border:1px dashed var(--line-3);border-radius:8px;
    font-size:14px;font-weight:500;color:var(--ink-4);
}
.res-pending svg{width:16px;height:16px;margin-bottom:2px;}
.rp-note{font-size:12px;font-weight:400;color:var(--ink-4);opacity:.85;}

/* ── 页脚后台入口 ───────────────────────────────── */
.f-admin{
    display:inline-flex;align-items:center;gap:6px;font-size:12px;
    color:rgba(255,255,255,.35);transition:color .2s;
}
.f-admin:hover{color:var(--green-light);}

/* ── 响应式 ───────────────────────────────── */
@media (max-width:1080px){
    .hero-title{font-size:52px;}
    .about-row{flex-direction:column;gap:40px;}
    .about-left{flex:1 1 auto;max-width:100%;}
    .about-img{height:300px;}
    .contact{grid-template-columns:1fr;gap:48px;}
    .products{grid-template-columns:repeat(2,1fr);}
    .p-card,.p-card.wide{grid-column:span 1;}
    .cases,.why-grid{grid-template-columns:repeat(2,1fr);}
    .free-grid,.dl-cats{grid-template-columns:repeat(2,1fr);}
    .process{grid-template-columns:repeat(2,1fr);row-gap:40px;}
    .footer-top{grid-template-columns:1fr 1fr;}
    .stats-bar{grid-template-columns:repeat(2,1fr);row-gap:32px;}
    .stats-bar > div:nth-child(3)::before,.stats-bar > div:nth-child(1)::before{display:none;}
}
@media (max-width:900px){
    .nav{display:none;position:absolute;top:76px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);
         flex-direction:column;align-items:stretch;padding:8px 20px 20px;gap:4px;box-shadow:var(--shadow-md);
         max-height:calc(100vh - 76px);overflow-y:auto;}
    .nav.open{display:flex;}
    .nav a{padding:13px 4px;font-size:16px;border-bottom:1px solid var(--line-2);}
    .nav a:last-of-type{border-bottom:none;}
    .nav .nav-btn{justify-content:center;margin-top:12px;height:46px;}
    .nav-toggle{display:block;}
    .sec-head{flex-direction:column;align-items:flex-start;gap:16px;}
    .sec-title{font-size:32px;}
    .hero{height:auto;padding:120px 0 80px;}
    .hero-title{font-size:40px;}
    .hero-stats{gap:32px;}
    /* 轮播控件：移动端缩小 */
    .hero-arrow{width:44px;height:44px;}
    .hero-arrow svg{width:36px;height:36px;}
    .hero-arrow-prev{left:8px;}
    .hero-arrow-next{right:8px;}
    .hero-dots{bottom:26px;padding:0 18px;gap:8px;}
    .hero-count{bottom:24px;padding:0 18px;font-size:12px;}
    .section{padding:72px 0;}
    .modes,.values{grid-template-columns:1fr;}
    .res-head,.res-row{grid-template-columns:1fr;gap:8px;}
    .res-head{display:none;}
    .res-row-op{text-align:left;}
    .banner-title{font-size:34px;}
    /* 统计数字：移动端不小于 24px */
    .h-stat-val{font-size:28px;}
    .s-val{font-size:30px;}
    .stats-bar{padding:32px 0;}
    /* 成功页 */
    .success-card{padding:40px 28px 36px;}
    .success-title{font-size:28px;}
    .success-steps{gap:0;}
    .sstep-txt{font-size:13px;}
    .sstep-sub{font-size:11px;}
    .success-contact{flex-direction:column;align-items:flex-start;}
}
@media (max-width:640px){
    .cases,.why-grid,.free-grid,.dl-cats,.products,.process{grid-template-columns:1fr;}
    .f-row{grid-template-columns:1fr;}
    .mode-card,.form-card{padding:28px 22px;}
    .cta-inner{flex-direction:column;align-items:flex-start;}
    .footer-top{grid-template-columns:1fr;gap:32px;}
    .search-box{width:100%;}
    .dl-toolbar{flex-direction:column;align-items:stretch;gap:16px;}
    /* 分类 Tab：移动端单行横向滑动，避免堆叠过高 */
    .tabs{flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;padding-bottom:6px;}
    .tab{flex:0 0 auto;white-space:nowrap;}
    .footer-bottom{justify-content:center;text-align:center;}
    .f-beian{white-space:normal;}
    .wrap{padding:0 18px;}
    .header-inner{padding:0 18px;}
    /* 统计数字：最小 24px */
    .h-stat-val{font-size:26px;}
    .s-val{font-size:26px;}
    .hero-stats{gap:24px 28px;}
    /* 表单控件：移动端不小于 44px（触摸友好） */
    .fg input,.fg select,.fg textarea{height:48px;font-size:16px;}
    .fg textarea{height:110px;padding:14px;}
    .m-field input,.m-field select{height:48px;font-size:16px;}
    .btn{height:50px;}
    .btn-sm{height:44px;padding:0 16px;}
    .nav-btn{height:46px;}
    .tab{height:44px;}
    .search-box input{height:44px;}
    /* 二维码卡片 */
    .qr-card{flex-direction:column;text-align:center;gap:14px;}
    .qr-tag{align-self:center;}
    /* 成功页 */
    .success-hero{padding:36px 0 56px;}
    .success-card{padding:32px 20px 28px;border-radius:14px;}
    .success-icon{width:72px;height:72px;}
    .success-title{font-size:25px;}
    .success-lead{font-size:14px;}
    .success-nobox{grid-template-columns:1fr 1fr;}
    .success-steps{margin-top:32px;}
    .sstep-dot{width:32px;height:32px;font-size:13px;}
    .sstep + .sstep::before{top:15px;}
    .sstep-txt{font-size:12px;}
    .sstep-sub{font-size:11px;}
    .success-actions{flex-direction:column;}
    .success-actions .btn{width:100%;}
    .success-contact{padding:20px;}
    .sc-phone{font-size:20px;}
    .sc-qr{width:100%;}
}

@media (prefers-reduced-motion:reduce){
    html{scroll-behavior:auto;}
    *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;}
}