/* ============================================================
   台州泛海新能源科技有限公司 · 官网共享样式
   页面：index.html / monitoring.html / pv.html / storage.html
   调色：主蓝 #0d6fd6 ｜ 深蓝 #0a3d7a ｜ 青 #18a8e8
        光伏金 #f59e0b ｜ 储能青绿 #0d9488
   ============================================================ */
:root{
  --navy:#0a3d7a; --blue:#0d6fd6; --cyan:#18a8e8; --deep:#072a56;
  --gold:#f59e0b; --gold-d:#d97706;
  --teal:#0d9488; --teal-d:#0f766e;
  --bg:#f5f9fd; --card:#fff; --line:#dbe7f3; --muted:#5b7290;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;scroll-padding-top:80px;}
body{font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB",sans-serif;color:#1c2b3a;background:var(--bg);line-height:1.8;-webkit-text-size-adjust:100%;}
a{text-decoration:none;color:inherit;}
img{max-width:100%;}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px;}

/* ================= 导航 ================= */
nav{position:sticky;top:0;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);z-index:100;}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:66px;gap:14px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--navy);font-size:17px;white-space:nowrap;}
.brand img{height:44px;border-radius:50%;flex:0 0 auto;}
.nav-links{display:flex;gap:26px;font-size:15px;}
.nav-links a{color:#33475e;padding:6px 1px;border-bottom:2px solid transparent;white-space:nowrap;transition:.2s;}
.nav-links a:hover{color:var(--blue);border-color:var(--cyan);}
.nav-links a.active{color:var(--blue);border-color:var(--blue);font-weight:600;}
@media(max-width:880px){
  .nav-inner{height:60px;gap:10px;}
  .brand{font-size:15px;flex:0 0 auto;}
  .brand img{height:38px;}
  .nav-links{min-width:0;flex:1;gap:16px;font-size:14px;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;}
  .nav-links::-webkit-scrollbar{display:none;}
}
@media(max-width:480px){
  .brand{font-size:13.5px;gap:7px;}
  .brand img{height:32px;}
  .nav-links{gap:13px;font-size:13px;}
}
@media(max-width:420px){ .brand .bt-long{display:none;} }
@media(min-width:421px){ .brand .bt-short{display:none;} }

/* ================= 首页 Hero ================= */
.hero{
  background:linear-gradient(135deg,#072a56 0%,#0a4a94 55%,#0d6fd6 100%);
  color:#fff;padding:76px 0 84px;position:relative;overflow:hidden;
}
.hero::before{content:"";position:absolute;right:-140px;top:-140px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(24,168,232,.35),transparent 68%);}
.hero::after{content:"";position:absolute;left:-120px;bottom:-160px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(13,148,136,.28),transparent 70%);}
.hero .wrap{position:relative;z-index:2;}
.hero-flex{display:flex;align-items:center;gap:52px;flex-wrap:wrap;}
.hero-txt{flex:1 1 340px;min-width:300px;}
.hero-txt h1{font-size:38px;letter-spacing:1.5px;margin-bottom:8px;line-height:1.35;}
.hero-txt .en{font-size:12.5px;letter-spacing:1px;opacity:.72;margin-bottom:20px;}
.hero-txt .slogan{font-size:17.5px;opacity:.95;margin-bottom:30px;line-height:1.9;}
.badge{display:inline-block;border:1px solid rgba(255,255,255,.42);border-radius:999px;padding:4px 16px;font-size:12.5px;margin-bottom:18px;opacity:.92;}
.btn{display:inline-block;padding:12px 30px;border-radius:8px;font-size:15.5px;font-weight:600;margin:0 12px 10px 0;transition:.2s;}
.btn-main{background:#fff;color:var(--navy);}
.btn-main:hover{background:#e8f3ff;transform:translateY(-2px);}
.btn-ghost{border:1px solid rgba(255,255,255,.55);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.14);}

/* 浏览器窗口模拟框 */
.mock{flex:1 1 400px;min-width:280px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);
  border-radius:14px;padding:10px;backdrop-filter:blur(4px);box-shadow:0 24px 60px rgba(0,0,0,.32);}
.mock-bar{display:flex;align-items:center;gap:7px;padding:4px 6px 10px;}
.mock-bar i{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.42);display:block;flex:0 0 auto;}
.mock-bar i:nth-child(1){background:#ff5f57;}
.mock-bar i:nth-child(2){background:#febc2e;}
.mock-bar i:nth-child(3){background:#28c840;}
.mock-bar span{margin-left:8px;font-size:12px;color:rgba(255,255,255,.72);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.mock img{width:100%;display:block;border-radius:8px;background:#fff;}

/* ================= 子页 Hero ================= */
.page-hero{color:#fff;padding:60px 0 54px;position:relative;overflow:hidden;}
.page-hero::before{content:"";position:absolute;right:-120px;top:-150px;width:440px;height:440px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.14),transparent 68%);}
.page-hero .wrap{position:relative;z-index:2;}
.page-hero h1{font-size:32px;letter-spacing:1.5px;margin:14px 0 10px;}
.page-hero .p-en{font-size:12px;letter-spacing:1.2px;opacity:.72;margin-bottom:8px;}
.page-hero p.desc{font-size:16px;opacity:.94;max-width:760px;line-height:1.9;}
.crumb{font-size:13px;opacity:.82;}
.crumb a{border-bottom:1px dotted rgba(255,255,255,.5);}
.crumb a:hover{opacity:1;border-bottom-style:solid;}
.ph-monitor{background:linear-gradient(135deg,#072a56 0%,#0a4a94 55%,#0d6fd6 100%);}
.ph-pv{background:linear-gradient(135deg,#0a2f5c 0%,#0f5a8a 45%,#c2710c 115%);}
.ph-storage{background:linear-gradient(135deg,#06302e 0%,#0b5c56 48%,#0d9488 100%);}

/* ================= 数字条 ================= */
.stats{background:#fff;border-bottom:1px solid var(--line);}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;padding:28px 20px;}
.stat{text-align:center;}
.stat b{font-size:27px;color:var(--blue);display:block;letter-spacing:.5px;}
.stat span{font-size:12.8px;color:var(--muted);}
@media(max-width:720px){.stats .wrap{grid-template-columns:repeat(2,1fr);gap:20px 12px;}}

/* ================= 通用区块 ================= */
section{padding:66px 0;}
.sec-head{text-align:center;margin-bottom:40px;}
.sec-head h2{font-size:26px;color:var(--navy);display:inline-block;position:relative;padding-bottom:13px;}
.sec-head h2::after{content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:0;width:50px;height:3px;border-radius:2px;background:linear-gradient(90deg,var(--blue),var(--cyan));}
.sec-head p{color:var(--muted);font-size:14.8px;margin-top:10px;}
.sec-head.left{text-align:left;}
.sec-head.left h2::after{left:0;transform:none;}
.bg-white{background:#fff;}

/* ================= 关于 ================= */
.about-txt{font-size:15.5px;color:#33475e;max-width:880px;}
.about-txt p+p{margin-top:13px;}
.about-txt b{color:var(--navy);}
.tags{margin-top:20px;display:flex;flex-wrap:wrap;gap:10px;}
.tags span{background:var(--bg);border:1px solid var(--line);color:var(--blue);border-radius:999px;padding:4px 16px;font-size:13px;}

/* ================= 业务卡（首页三入口） ================= */
.biz-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
@media(max-width:920px){.biz-grid{grid-template-columns:1fr;}}
.biz{background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px 28px;transition:.25s;display:flex;flex-direction:column;}
.biz:hover{transform:translateY(-5px);box-shadow:0 18px 40px rgba(13,111,214,.14);border-color:#bcd8f5;}
.biz .icon{width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;margin-bottom:16px;flex:0 0 auto;}
.biz h3{font-size:19.5px;color:var(--navy);margin-bottom:6px;}
.biz .sub-en{font-size:11.5px;color:#8aa3bd;letter-spacing:.5px;margin-bottom:14px;}
.biz ul{list-style:none;margin-bottom:18px;}
.biz li{padding:5px 0 5px 24px;position:relative;font-size:14.3px;color:#3d5166;}
.biz li::before{content:"";position:absolute;left:3px;top:14px;width:8px;height:8px;border-radius:50%;}
.biz .more{margin-top:auto;font-size:14px;font-weight:600;padding-top:14px;border-top:1px dashed var(--line);}
.i-monitor{background:linear-gradient(135deg,#0d6fd6,#18a8e8);}
.i-pv{background:linear-gradient(135deg,#f59e0b,#ea580c);}
.i-storage{background:linear-gradient(135deg,#0d9488,#059669);}
.biz-m .more{color:var(--blue);} .biz-m li::before{background:linear-gradient(135deg,#0d6fd6,#18a8e8);}
.biz-p .more{color:var(--gold-d);} .biz-p li::before{background:linear-gradient(135deg,#f59e0b,#ea580c);}
.biz-p:hover{border-color:#f7d9a4;box-shadow:0 18px 40px rgba(217,119,6,.14);}
.biz-s .more{color:var(--teal-d);} .biz-s li::before{background:linear-gradient(135deg,#0d9488,#059669);}
.biz-s:hover{border-color:#9ed4c9;box-shadow:0 18px 40px rgba(13,148,136,.14);}

/* ================= 优势 / 功能 卡组 ================= */
.grid{display:grid;gap:20px;}
.g2{grid-template-columns:repeat(2,1fr);}
.g3{grid-template-columns:repeat(3,1fr);}
.g4{grid-template-columns:repeat(4,1fr);}
@media(max-width:960px){.g4{grid-template-columns:repeat(2,1fr);} .g3{grid-template-columns:repeat(2,1fr);}}
@media(max-width:680px){.g2,.g3,.g4{grid-template-columns:1fr;}}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px 24px;transition:.25s;}
.card:hover{box-shadow:0 14px 32px rgba(13,111,214,.12);border-color:#bcd8f5;transform:translateY(-3px);}
.card .ico{font-size:24px;margin-bottom:10px;display:block;line-height:1;}
.card h4{font-size:16.5px;color:var(--navy);margin-bottom:9px;}
.card p{font-size:14px;color:#4a5c6e;line-height:1.85;}
.card p+p{margin-top:8px;}
.card b{color:var(--navy);}

/* 编号步骤 */
.steps{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;counter-reset:s;}
@media(max-width:960px){.steps{grid-template-columns:repeat(3,1fr);}}
@media(max-width:620px){.steps{grid-template-columns:repeat(2,1fr);}}
.step{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px 16px;text-align:center;position:relative;}
.step::before{counter-increment:s;content:counter(s);position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  width:26px;height:26px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff;
  font-size:13px;font-weight:700;line-height:26px;}
.step h4{font-size:14.8px;color:var(--navy);margin:8px 0 5px;}
.step p{font-size:12.5px;color:var(--muted);line-height:1.7;}

/* ================= 列表卡（能力清单） ================= */
.panel{background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px 28px;}
.panel h3{font-size:19px;color:var(--navy);margin-bottom:15px;}
.panel ul{list-style:none;}
.panel li{padding:6px 0 6px 26px;position:relative;font-size:14.5px;color:#3d5166;}
.panel li::before{content:"";position:absolute;left:4px;top:15px;width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--cyan));}
.panel li b{color:var(--navy);}
.panel.gold li::before{background:linear-gradient(135deg,#f59e0b,#ea580c);}
.panel.teal li::before{background:linear-gradient(135deg,#0d9488,#059669);}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
@media(max-width:880px){.two-col{grid-template-columns:1fr;}}

/* ================= 表格 ================= */
.tbl-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:12px;border:1px solid var(--line);background:#fff;}
table{width:100%;border-collapse:collapse;min-width:620px;}
th,td{padding:12px 14px;border-bottom:1px solid var(--line);font-size:13.8px;text-align:center;}
th{background:linear-gradient(135deg,var(--navy),var(--blue));color:#fff;font-weight:600;font-size:13.5px;border-bottom-color:var(--navy);}
td:first-child{text-align:left;color:#33475e;}
tbody tr:last-child td{border-bottom:none;}
tbody tr:nth-child(even){background:#fafcfe;}
td b{color:var(--blue);font-size:15px;}
table.gold th{background:linear-gradient(135deg,#b45309,#f59e0b);border-bottom-color:#b45309;}
table.gold td b{color:var(--gold-d);}
table.teal th{background:linear-gradient(135deg,#0f766e,#0d9488);border-bottom-color:#0f766e;}
table.teal td b{color:var(--teal-d);}
.tbl-note{font-size:12.5px;color:var(--muted);margin-top:12px;line-height:1.8;}

/* ================= 案例大卡 ================= */
.case{margin-top:26px;border-radius:18px;padding:36px 34px;color:#fff;position:relative;overflow:hidden;
  background:linear-gradient(135deg,#072a56 0%,#0a4a94 58%,#0d6fd6 100%);}
.case::after{content:"";position:absolute;right:-100px;bottom:-140px;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.13),transparent 70%);}
.case>*{position:relative;z-index:2;}
.case h3{font-size:21px;margin-bottom:8px;color:#fff;}
.case .sub{font-size:13.5px;opacity:.84;margin-bottom:22px;line-height:1.9;}
.case .sub b{color:#8fd4ff;}
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}
@media(max-width:860px){.kpi-grid{grid-template-columns:repeat(2,1fr);}}
.kpi{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:12px;padding:17px 14px;text-align:center;}
.kpi b{display:block;font-size:24px;color:#fff;letter-spacing:.5px;}
.kpi b small{font-size:13.5px;font-weight:400;opacity:.85;}
.kpi span{font-size:12.6px;opacity:.86;}
.case .cfg{margin-top:20px;font-size:13.3px;line-height:2;opacity:.9;border-top:1px solid rgba(255,255,255,.18);padding-top:16px;}
.case .cfg em{font-style:normal;color:#8fd4ff;}

/* ================= 承接规模阶梯 ================= */
.scale{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}
@media(max-width:860px){.scale{grid-template-columns:repeat(2,1fr);}}
.scale-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px 16px;text-align:center;transition:.25s;}
.scale-item:hover{border-color:#f7d9a4;box-shadow:0 10px 24px rgba(217,119,6,.12);}
.scale-item b{display:block;font-size:19.5px;color:var(--navy);margin-bottom:6px;letter-spacing:.5px;}
.scale-item span{font-size:12.6px;color:var(--muted);}
.scale-item.hl{background:linear-gradient(135deg,#b45309,#f59e0b);border-color:transparent;}
.scale-item.hl b{color:#fff;} .scale-item.hl span{color:rgba(255,255,255,.9);}
.scale-item.hl:hover{box-shadow:0 12px 28px rgba(217,119,6,.3);}
.scale.teal .scale-item:hover{border-color:#9ed4c9;box-shadow:0 10px 24px rgba(13,148,136,.12);}
.scale.teal .scale-item.hl{background:linear-gradient(135deg,#0f766e,#0d9488);}
.scale.teal .scale-item.hl:hover{box-shadow:0 12px 28px rgba(13,148,136,.3);}

/* ================= 合作模式 ================= */
.coop-head{text-align:center;margin-bottom:22px;}
.coop-head h3{font-size:20.5px;color:var(--navy);}
.coop-head p{font-size:13.8px;color:var(--muted);margin-top:8px;}
.coop-flex{display:flex;gap:20px;flex-wrap:wrap;align-items:stretch;}
.coop-card{flex:1 1 320px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:28px 26px;transition:.25s;display:flex;flex-direction:column;}
.coop-card:hover{box-shadow:0 14px 34px rgba(13,111,214,.13);border-color:#bcd8f5;}
.coop-card.hl{border-color:#9ed4c9;background:linear-gradient(180deg,#f1fbf9 0%,#fff 55%);}
.coop-card.hl:hover{border-color:#6fc4b3;box-shadow:0 14px 34px rgba(13,148,136,.16);}
.coop-tag{display:inline-block;align-self:flex-start;font-size:12.3px;font-weight:700;letter-spacing:.5px;padding:4px 13px;border-radius:20px;background:#eaf3ff;color:var(--blue);margin-bottom:14px;}
.coop-card.hl .coop-tag{background:#def5f0;color:#0b8a7e;}
.coop-card h4{font-size:17px;color:var(--navy);margin-bottom:12px;}
.coop-card>p{font-size:14px;color:#3d5166;line-height:1.9;}
.coop-card>p b{color:var(--navy);}
.coop-card ul{list-style:none;margin-top:16px;border-top:1px dashed var(--line);padding-top:14px;}
.coop-card li{font-size:13.5px;color:#4a5c6e;padding:3px 0 3px 22px;position:relative;line-height:1.7;}
.coop-card li::before{content:"✓";position:absolute;left:0;top:3px;color:#0d9488;font-weight:700;font-size:13px;}
.note{margin-top:20px;background:#f2f7fd;border-left:3px solid var(--blue);border-radius:0 8px 8px 0;padding:15px 20px;font-size:13.8px;color:#3d5166;line-height:1.85;}
.note b{color:var(--navy);}
.note a{color:var(--blue);font-weight:600;}
.note.warn{background:#fff8ec;border-left-color:var(--gold);}

/* ================= 截图 ================= */
.shots{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
@media(max-width:900px){.shots{grid-template-columns:repeat(2,1fr);}}
@media(max-width:560px){.shots{grid-template-columns:1fr;}}
.shot{background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:13px;transition:.25s;margin:0;}
.shot:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(13,111,214,.14);border-color:#bcd8f5;}
.shot img{width:100%;display:block;border-radius:8px;border:1px solid var(--line);}
.shot figcaption{text-align:center;font-size:13.8px;color:#33475e;margin-top:11px;font-weight:600;}
.shot figcaption small{display:block;font-weight:400;color:var(--muted);font-size:12px;margin-top:2px;}

/* 首屏无配图（纯文字居中版） */
.hero-solo{text-align:center;padding:58px 0 62px;}
.hero-solo .hero-flex{justify-content:center;}
.hero-solo .hero-txt{flex:0 1 760px;min-width:0;}
.hero-solo .btn{margin:0 8px 10px;}

/* ================= 项目展示轮播 ================= */
.carousel{position:relative;border-radius:16px;overflow:hidden;border:1px solid var(--line);
  background:linear-gradient(180deg,#f8fbff,#eaf2fb);box-shadow:0 18px 44px rgba(7,42,86,.10);}
.car-track{display:flex;transition:transform .55s cubic-bezier(.4,0,.2,1);}
.car-slide{flex:0 0 100%;margin:0;min-width:0;}
.car-stage{height:500px;display:flex;align-items:center;justify-content:center;padding:26px 56px 6px;}
.car-stage img{max-width:100%;max-height:100%;object-fit:contain;border-radius:6px;
  box-shadow:0 10px 30px rgba(7,42,86,.14);background:#fff;}
.car-slide figcaption{text-align:center;padding:14px 16px 46px;}
.car-slide figcaption b{font-size:16.5px;color:var(--navy);letter-spacing:.5px;}
.car-slide figcaption span{display:block;font-size:12.8px;color:var(--muted);margin-top:3px;}
.car-btn{position:absolute;top:44%;transform:translateY(-50%);width:42px;height:42px;border-radius:50%;
  border:none;background:rgba(7,42,86,.42);color:#fff;font-size:26px;line-height:1;cursor:pointer;
  transition:.2s;z-index:5;display:flex;align-items:center;justify-content:center;user-select:none;}
.car-btn:hover{background:rgba(7,42,86,.78);}
.car-btn.prev{left:14px;} .car-btn.next{right:14px;}
.car-dots{position:absolute;left:0;right:0;bottom:15px;display:flex;justify-content:center;gap:9px;z-index:5;}
.car-dot{width:9px;height:9px;border-radius:5px;border:none;background:rgba(7,42,86,.22);cursor:pointer;transition:.25s;padding:0;}
.car-dot.on{background:var(--blue);width:24px;}
@media(max-width:680px){
  .car-stage{height:250px;padding:16px 16px 4px;}
  .car-slide figcaption{padding:10px 14px 42px;}
  .car-slide figcaption b{font-size:14.5px;}
  .car-slide figcaption span{font-size:11.8px;}
  .car-btn{width:34px;height:34px;font-size:21px;top:40%;}
}

/* ================= CTA 带 ================= */
.cta{background:linear-gradient(135deg,#072a56 0%,#0a4a94 60%,#0d6fd6 100%);color:#fff;text-align:center;padding:58px 0;}
.cta h2{font-size:25px;margin-bottom:12px;}
.cta p{font-size:15.5px;opacity:.92;margin-bottom:26px;}

/* ================= 联系 ================= */
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
@media(max-width:720px){.contact-grid{grid-template-columns:1fr;}}
.c-card{background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:28px 22px;text-align:center;}
.c-card .ci{font-size:26px;margin-bottom:8px;line-height:1;}
.c-card b{display:block;color:var(--navy);margin-bottom:6px;font-size:15px;}
.c-card p{font-size:14px;color:#3d5166;}
.c-card .todo{color:#b45309;font-size:12.5px;margin-top:4px;}

/* ================= 页脚 ================= */
footer{background:var(--deep);color:#9fb6cf;padding:36px 0 26px;font-size:13px;}
.foot-grid{display:flex;justify-content:space-between;gap:26px;flex-wrap:wrap;padding-bottom:20px;border-bottom:1px solid rgba(255,255,255,.12);}
.foot-col h4{color:#dceaf8;font-size:14px;margin-bottom:10px;}
.foot-col p,.foot-col a{display:block;font-size:13px;line-height:2;color:#9fb6cf;}
.foot-col a:hover{color:#cfe3f7;}
.foot-bottom{text-align:center;padding-top:18px;line-height:2;}
footer a{color:#cfe3f7;}
footer a:hover{text-decoration:underline;}
@media(max-width:720px){.foot-grid{flex-direction:column;gap:18px;}}