/* ==========================================================================
   光伏工具箱 solartool.cn · 全站样式（移动优先）
   ========================================================================== */
:root{
  --green:#22C55E; --gold:#F5B301; --navy:#0B1B33;
  --bg:#F4F7FB; --card:#FFFFFF; --line:#E4EAF2;
  --text:#16233A; --text-2:#5C6E88;
  --radius:16px; --radius-sm:12px;
  --shadow:0 14px 34px rgba(11,27,51,.09);
  --shadow-lg:0 24px 56px rgba(11,27,51,.16);
  --nav-h:60px; --tabbar-h:60px;
  --safe-b:env(safe-area-inset-bottom,0px);
}
html[data-theme="dark"]{
  --green:#34D371; --gold:#FFC93C; --navy:#0A1424;
  --bg:#0C1728; --card:#152238; --line:#25334B;
  --text:#E9EFF8; --text-2:#94A6BF;
  --shadow:0 14px 34px rgba(0,0,0,.4);
  --shadow-lg:0 24px 56px rgba(0,0,0,.55);
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:80px;}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.65;background:var(--bg);color:var(--text);
  transition:background .3s,color .3s;overflow-x:hidden;
  padding-bottom:calc(var(--tabbar-h) + var(--safe-b));
}
body[data-page="tool"]{padding-bottom:0;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;border:none;background:none;cursor:pointer;color:inherit;}
input,select{font-family:inherit;font-size:16px;color:inherit;}
ul{list-style:none;}
.wrap{max-width:1200px;margin:0 auto;padding:0 16px;}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);}
@media(min-width:768px){.wrap{padding:0 24px;}}

/* ---------- 顶部导航 ---------- */
.hdr{position:sticky;top:0;z-index:120;background:var(--navy);border-bottom:1px solid rgba(255,255,255,.08);transition:box-shadow .3s;}
.hdr.scrolled{box-shadow:0 8px 26px rgba(0,0,0,.28);}
.nav{display:flex;align-items:center;justify-content:space-between;height:var(--nav-h);gap:12px;}
.logo{display:flex;align-items:center;gap:9px;color:#fff;flex-shrink:0;}
.logo-mark{width:34px;height:34px;border-radius:10px;flex-shrink:0;background:linear-gradient(135deg,#F5B301,#22C55E);display:flex;align-items:center;justify-content:center;font-size:17px;}
.logo-txt{font-size:16.5px;font-weight:800;letter-spacing:-.2px;line-height:1.15;}
.logo-txt small{display:block;font-size:10.5px;font-weight:500;color:rgba(255,255,255,.5);letter-spacing:.4px;}
.nav-links{display:none;gap:26px;align-items:center;}
.nav-links a{color:rgba(255,255,255,.76);font-size:15px;transition:.2s;white-space:nowrap;}
.nav-links a:hover,.nav-links a.active{color:#fff;}
.nav-right{display:flex;align-items:center;gap:8px;flex-shrink:0;}
.icon-btn{width:44px;height:44px;border-radius:12px;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:17px;color:#fff;background:rgba(255,255,255,.1);transition:.2s;}
.icon-btn:active{background:rgba(255,255,255,.24);transform:scale(.95);}
.nav-cta{display:none;}
@media(min-width:900px){
  :root{--nav-h:68px;}
  .nav-links{display:flex;}
  .nav-cta{display:inline-flex;}
  .menu-btn{display:none;}
}

/* ---------- 导航下拉（桌面端，hover 显示 + 点击切换） ---------- */
.nav-drop{position:relative;display:inline-flex;}
.nav-drop-trigger{display:inline-flex;align-items:center;gap:6px;color:rgba(255,255,255,.76);font-size:15px;padding:0;background:none;cursor:pointer;transition:.2s;}
.nav-drop-trigger:hover,.nav-drop-trigger.active{color:#fff;}
.caret{font-size:11px;opacity:.75;transition:transform .2s;}
.nav-drop.open .caret{transform:rotate(180deg);}
.nav-drop-menu{position:absolute;top:calc(100% + 6px);left:50%;transform:translateX(-50%) translateY(6px);min-width:176px;background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-lg);padding:8px;opacity:0;visibility:hidden;transition:.18s;z-index:130;}
.nav-drop:hover .nav-drop-menu,.nav-drop.open .nav-drop-menu{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0);}
.nav-drop-menu a{display:block;padding:10px 14px;border-radius:8px;font-size:14px;color:var(--text);white-space:nowrap;}
.nav-drop-menu a:hover{background:var(--bg);color:var(--green);}

/* ---------- 抽屉菜单 ---------- */
.drawer{position:fixed;inset:0;z-index:200;visibility:hidden;pointer-events:none;}
.drawer.open{visibility:visible;pointer-events:auto;}
.drawer-mask{position:absolute;inset:0;background:rgba(6,14,26,.55);opacity:0;transition:opacity .28s;backdrop-filter:blur(2px);}
.drawer.open .drawer-mask{opacity:1;}
.drawer-panel{position:absolute;top:0;right:0;width:82%;max-width:340px;height:100%;background:var(--card);box-shadow:var(--shadow-lg);transform:translateX(100%);transition:transform .3s cubic-bezier(.3,.8,.3,1);padding:20px 20px calc(24px + var(--safe-b));overflow-y:auto;display:flex;flex-direction:column;}
.drawer.open .drawer-panel{transform:translateX(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;color:var(--text);}
.drawer-top b{font-size:17px;}
.drawer-close{background:var(--bg);color:var(--text);}
.drawer-nav li{border-bottom:1px solid var(--line);}
.drawer-nav a{display:flex;align-items:center;gap:12px;min-height:52px;font-size:15.5px;font-weight:500;}
.drawer-nav a .ic{width:34px;height:34px;border-radius:10px;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:16px;background:rgba(34,197,94,.12);}
.drawer-foot{margin-top:auto;padding-top:22px;font-size:13px;color:var(--text-2);}
.drawer-foot .btn{width:100%;margin-bottom:10px;}
.drawer-foot p{text-align:center;font-size:12.5px;}
.drawer-sub{margin:4px 0 14px;padding:10px 14px;background:var(--bg);border:1px solid var(--line);border-radius:12px;}
.drawer-sub b{display:block;font-size:13px;color:var(--text-2);margin-bottom:4px;}
.drawer-sub a{display:flex;align-items:center;min-height:38px;font-size:14px;color:var(--text);}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 22px;border-radius:12px;font-size:15.5px;font-weight:700;transition:.2s;white-space:nowrap;}
.btn:active{transform:scale(.97);}
.btn-primary{background:var(--green);color:#04210F;box-shadow:0 8px 22px rgba(34,197,94,.34);}
.btn-gold{background:var(--gold);color:#3A2700;box-shadow:0 8px 22px rgba(245,179,1,.32);}
.btn-outline{border:1.5px solid var(--line);color:var(--text);background:var(--card);}
.btn-ghost-light{color:#fff;border:1.5px solid rgba(255,255,255,.3);}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px;border-radius:10px;}
.btn-block{width:100%;}
.btn-lg{min-height:54px;font-size:16.5px;}
/* 深色底面板内的描边按钮：避免白字白底 */
.btn-outline.on-dark{color:#fff;border-color:rgba(255,255,255,.42);background:rgba(255,255,255,.08);}
.btn-outline.on-dark:hover{background:rgba(255,255,255,.16);border-color:#fff;}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;color:#fff;padding:36px 0 40px;
  background:radial-gradient(700px 340px at 10% -10%,rgba(245,179,1,.22),transparent 62%),
             radial-gradient(680px 380px at 92% 6%,rgba(34,197,94,.2),transparent 58%),
             linear-gradient(165deg,#0B1B33 0%,#122744 100%);}
.hero-badge{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:600;padding:6px 14px;border-radius:99px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);margin-bottom:16px;}
.hero h1{font-size:27px;line-height:1.32;font-weight:800;letter-spacing:-.5px;margin-bottom:14px;}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,#F5B301,#22C55E);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero p{font-size:15px;color:rgba(255,255,255,.76);margin-bottom:24px;max-width:560px;}
.hero-actions{display:grid;gap:12px;}
.hero-actions .btn{width:100%;}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:30px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);}
.hero-stats div{text-align:center;}
.hero-stats b{display:block;font-size:22px;font-weight:800;color:#8BF0B4;font-variant-numeric:tabular-nums;}
.hero-stats span{font-size:12px;color:rgba(255,255,255,.6);}
@media(min-width:900px){
  .hero{padding:76px 0 78px;}
  .hero h1{font-size:46px;line-height:1.2;}
  .hero p{font-size:17px;}
  .hero-actions{display:flex;gap:14px;}
  .hero-actions .btn{width:auto;}
  .hero-stats{max-width:560px;}
}

/* ---------- 区块 ---------- */
section{padding:40px 0;}
@media(min-width:900px){section{padding:64px 0;}}
.sec-alt{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-cta{padding-top:0;}
.sec-head{margin-bottom:22px;}
.sec-head h2{font-size:21px;font-weight:800;letter-spacing:-.3px;display:flex;align-items:center;gap:9px;}
.sec-head h2::before{content:"";width:4px;height:19px;border-radius:2px;background:var(--green);flex-shrink:0;}
.sec-head p{font-size:14px;color:var(--text-2);margin-top:7px;padding-left:13px;}
@media(min-width:900px){
  .sec-head h2{font-size:26px;}
  .sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;}
  .sec-head p{padding-left:0;}
}

/* ---------- 搜索 ---------- */
.search-box{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px;box-shadow:var(--shadow);margin-top:-24px;position:relative;z-index:10;}
.search-inner{position:relative;}
.search-inner .ico{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--text-2);font-size:16px;}
.search-inner input{width:100%;height:52px;border-radius:13px;border:1.5px solid var(--line);background:var(--bg);padding:0 14px 0 46px;outline:none;transition:.2s;}
.search-inner input:focus{border-color:var(--green);background:var(--card);box-shadow:0 0 0 4px rgba(34,197,94,.13);}
.search-hint{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px;align-items:center;}
.search-hint .lbl{font-size:13px;color:var(--text-2);}
.chip{font-size:13px;padding:7px 14px;border-radius:99px;background:var(--bg);border:1.5px solid var(--line);color:var(--text-2);transition:.2s;min-height:34px;display:inline-flex;align-items:center;cursor:pointer;}
.chip:active{background:var(--gold);border-color:var(--gold);color:#3A2700;}

/* ---------- 分类标签 ---------- */
.cats{display:flex;gap:9px;overflow-x:auto;padding:4px 0 10px;scrollbar-width:none;-webkit-overflow-scrolling:touch;}
.cats::-webkit-scrollbar{display:none;}
.cat{flex-shrink:0;min-height:40px;padding:0 17px;border-radius:99px;display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:600;background:var(--card);border:1.5px solid var(--line);color:var(--text-2);transition:.2s;}
.cat.on{background:var(--navy);border-color:var(--navy);color:#fff;}
html[data-theme="dark"] .cat.on{background:var(--green);border-color:var(--green);color:#04210F;}

/* ---------- 双行筛选（按类别 + 按角色） ---------- */
.filter-row{display:flex;align-items:center;gap:12px;margin-bottom:8px;}
.filter-lbl{flex:0 0 auto;font-size:13px;font-weight:600;color:var(--text-2);white-space:nowrap;}
.cats{flex:1;min-width:0;}

/* ---------- 工具卡片 ---------- */
.tool-grid{display:grid;grid-template-columns:1fr;gap:13px;}
@media(min-width:600px){.tool-grid{grid-template-columns:repeat(2,1fr);gap:16px;}}
@media(min-width:900px){.tool-grid{grid-template-columns:repeat(3,1fr);gap:20px;}}
@media(min-width:1200px){.tool-grid{grid-template-columns:repeat(4,1fr);}}
.tool{background:var(--card);border:1.5px solid var(--line);border-radius:var(--radius);padding:18px;display:flex;gap:14px;align-items:flex-start;transition:transform .22s,border-color .22s,box-shadow .22s;min-height:96px;position:relative;}
.tool:active{transform:scale(.985);}
@media(hover:hover){.tool:hover{transform:translateY(-4px);border-color:var(--green);box-shadow:var(--shadow);}}
.tool.hide{display:none;}
.tool-ic{width:46px;height:46px;border-radius:13px;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:21px;}
.ic-green{background:rgba(34,197,94,.13);}
.ic-gold{background:rgba(245,179,1,.16);}
.ic-blue{background:rgba(56,163,209,.14);}
.ic-purple{background:rgba(139,92,246,.14);}
.tool-body{flex:1;min-width:0;}
.tool-body h3{font-size:15.5px;font-weight:700;margin-bottom:5px;display:flex;align-items:center;gap:7px;flex-wrap:wrap;}
.tool-body p{font-size:13px;color:var(--text-2);line-height:1.58;}
.tag{font-size:11px;font-weight:700;padding:2px 8px;border-radius:6px;flex-shrink:0;}
.tag-hot{background:rgba(239,68,68,.13);color:#DC2626;}
.tag-new{background:rgba(34,197,94,.16);color:#15803D;}
html[data-theme="dark"] .tag-hot{color:#F87171;}
html[data-theme="dark"] .tag-new{color:#4ADE80;}
.tool-go{position:absolute;right:16px;bottom:14px;font-size:13px;font-weight:700;color:var(--green);opacity:0;transition:.2s;}
@media(min-width:600px){.tool{padding:20px;padding-bottom:34px;}.tool-go{opacity:1;}}
.empty{text-align:center;padding:48px 20px;color:var(--text-2);font-size:14.5px;display:none;line-height:1.9;}
.empty-ic{font-size:34px;margin-bottom:10px;}
.empty span{font-size:13px;}

/* ---------- 分类总览网格 ---------- */
.cat-grid{display:grid;gap:14px;}
@media(min-width:600px){.cat-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1000px){.cat-grid{grid-template-columns:repeat(3,1fr);gap:20px;}}
.cat-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;transition:.22s;display:block;}
.cat-card:active{transform:scale(.985);}
@media(hover:hover){.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--green);}}
.cat-card .ci{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:14px;background:rgba(34,197,94,.12);}
.cat-card b{display:block;font-size:16px;margin-bottom:6px;}
.cat-card p{font-size:13.5px;color:var(--text-2);}
.cat-card .cnt{display:inline-block;margin-top:12px;font-size:12.5px;font-weight:700;color:var(--green);}

/* ---------- 步骤 ---------- */
.steps{display:grid;gap:14px;}
@media(min-width:600px){.steps{grid-template-columns:repeat(2,1fr);}}
@media(min-width:900px){.steps{grid-template-columns:repeat(3,1fr);gap:22px;}}
.step{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;display:flex;gap:14px;}
.step .no{width:34px;height:34px;border-radius:11px;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;color:#04210F;background:var(--green);}
.step b{display:block;font-size:15.5px;margin-bottom:5px;}
.step p{font-size:13.5px;color:var(--text-2);}

/* ---------- 特性卡 ---------- */
.feat-grid{display:grid;gap:14px;}
@media(min-width:600px){.feat-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1000px){.feat-grid{grid-template-columns:repeat(4,1fr);gap:20px;}}
.feat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;}
.feat .ic{width:44px;height:44px;border-radius:12px;margin-bottom:14px;display:flex;align-items:center;justify-content:center;font-size:20px;background:linear-gradient(135deg,rgba(245,179,1,.18),rgba(34,197,94,.16));}
.feat b{display:block;font-size:15.5px;margin-bottom:6px;}
.feat p{font-size:13.5px;color:var(--text-2);line-height:1.65;}

/* ---------- FAQ ---------- */
.faq{border:1px solid var(--line);border-radius:var(--radius);background:var(--card);overflow:hidden;}
.faq details{border-bottom:1px solid var(--line);}
.faq details:last-child{border-bottom:none;}
.faq summary{padding:17px 18px;font-size:15px;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:12px;list-style:none;min-height:56px;}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"＋";color:var(--green);font-weight:700;font-size:17px;flex-shrink:0;}
.faq details[open] summary::after{content:"－";}
.faq .ans{padding:0 18px 18px;font-size:14px;color:var(--text-2);line-height:1.75;}

/* ---------- CTA ---------- */
.cta{border-radius:var(--radius);padding:30px 22px;color:#fff;text-align:center;
  background:radial-gradient(500px 260px at 20% 0%,rgba(245,179,1,.26),transparent 60%),
             radial-gradient(500px 260px at 85% 100%,rgba(34,197,94,.24),transparent 60%),
             linear-gradient(150deg,#0B1B33,#16304F);}
.cta h2{font-size:21px;font-weight:800;margin-bottom:10px;}
.cta p{font-size:14.5px;color:rgba(255,255,255,.76);margin-bottom:22px;}
@media(min-width:900px){.cta{padding:52px 40px;}.cta h2{font-size:30px;}.cta p{font-size:16px;}}

/* ---------- 页脚 ---------- */
footer{background:#081426;color:rgba(255,255,255,.62);padding:38px 0 calc(30px + var(--safe-b));font-size:14px;}
.foot-cols{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;margin-bottom:26px;}
@media(min-width:900px){.foot-cols{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px;}}
.foot-cols h5{color:#fff;font-size:14.5px;margin-bottom:13px;font-weight:700;}
.foot-cols li a{min-height:40px;display:flex;align-items:center;font-size:13.5px;transition:.2s;}
.foot-cols li a:active{color:#fff;}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.foot-brand .logo-mark{width:36px;height:36px;}
.foot-brand b{color:#fff;font-size:16px;}
.foot-brand span{display:block;font-size:11px;color:rgba(255,255,255,.45);}
.foot-desc{font-size:13.5px;line-height:1.8;}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:18px;display:flex;flex-direction:column;gap:8px;font-size:12.5px;line-height:1.7;}
@media(min-width:768px){.foot-bottom{flex-direction:row;justify-content:space-between;align-items:center;}}

/* ---------- 底部标签栏 ---------- */
.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:130;height:calc(var(--tabbar-h) + var(--safe-b));padding-bottom:var(--safe-b);background:var(--card);border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr);box-shadow:0 -6px 22px rgba(11,27,51,.08);}
@media(min-width:900px){.tabbar{display:none;}}
.tab{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:11px;color:var(--text-2);transition:.2s;}
.tab .ic{font-size:19px;line-height:1;}
.tab.on{color:var(--green);font-weight:700;}
.tab:active{opacity:.6;}

/* ---------- 回到顶部 ---------- */
.totop{position:fixed;right:16px;z-index:110;bottom:calc(var(--tabbar-h) + var(--safe-b) + 16px);width:44px;height:44px;border-radius:13px;background:var(--navy);color:#fff;font-size:18px;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-lg);opacity:0;pointer-events:none;transition:.3s;}
.totop.show{opacity:1;pointer-events:auto;}
@media(min-width:900px){.totop{bottom:28px;right:28px;}}

/* ==========================================================================
   工具页（左参数 / 右结果）
   ========================================================================== */
.tool-head{background:radial-gradient(700px 320px at 12% -20%,rgba(245,179,1,.2),transparent 62%),
  radial-gradient(680px 340px at 88% 0%,rgba(34,197,94,.17),transparent 58%),
  linear-gradient(160deg,#0B1B33 0%,#122744 100%);color:#fff;padding:26px 0 30px;}
.tool-head h1{font-size:24px;font-weight:800;letter-spacing:-.4px;margin-bottom:10px;}
.tool-head .lead{font-size:14.5px;color:rgba(255,255,255,.74);max-width:100%;text-align:justify;text-justify:inter-ideograph;}
.tool-head .lead::after{content:"";display:block;height:1px;margin-top:16px;background:linear-gradient(90deg,rgba(255,255,255,.32),rgba(255,255,255,.10) 55%,rgba(255,255,255,0));}
@media(min-width:900px){.tool-head{padding:44px 0 48px;}.tool-head h1{font-size:34px;}.tool-head .lead{font-size:16px;}}

.tool-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:16px;align-items:start;padding:24px 0 40px;}
@media(min-width:980px){
  .tool-layout{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px;padding:32px 0 56px;}
  .tool-layout.wide{grid-template-columns:minmax(0,320px) minmax(0,1fr);}
}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;}
@media(min-width:768px){.card{padding:26px;}}
.card h2{font-size:17px;font-weight:700;margin-bottom:18px;display:flex;align-items:center;gap:9px;}
.card h2::before{content:"";width:4px;height:17px;border-radius:2px;background:var(--green);flex-shrink:0;}
.card h3{font-size:15px;font-weight:700;margin:22px 0 12px;}

.field{margin-bottom:16px;}
.field>label{display:block;font-size:13.5px;font-weight:600;color:var(--text-2);margin-bottom:6px;}
.field input,.field select{width:100%;height:48px;border-radius:11px;border:1.5px solid var(--line);padding:0 14px;background:var(--bg);outline:none;transition:.2s;font-variant-numeric:tabular-nums;}
.field input:focus,.field select:focus{border-color:var(--green);background:var(--card);box-shadow:0 0 0 4px rgba(34,197,94,.13);}
.field .hint{font-size:12px;color:var(--text-2);margin-top:5px;line-height:1.6;}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.field-row-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px;}
@media(max-width:440px){.field-row,.field-row-3{grid-template-columns:1fr;gap:0;}}

/* ---------- 三级地区选择器：纵向单列，每行一个 ---------- */
.picker{
  display:flex;
  flex-direction:column;
  gap:0;
  margin-bottom:16px;
}
.picker .field{
  margin-bottom:14px;
  width:100%;
}
.picker .field:last-child{
  margin-bottom:0;
}
.picker .field > label{
  display:block;
  font-size:13.5px;
  font-weight:600;
  color:var(--text-2);
  margin-bottom:6px;
}
.picker select{
  width:100%;
  height:48px;
  border-radius:11px;
  border:1.5px solid var(--line);
  padding:0 38px 0 14px;
  background-color:var(--bg);
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9' viewBox='0 0 14 9'%3E%3Cpath d='M1 1.5L7 7.5L13 1.5' stroke='%235C6E88' stroke-width='1.8' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 14px center;
  -webkit-appearance:none;
  -moz-appearance:none;
  appearance:none;
  outline:none;
  transition:.2s;
  font-variant-numeric:tabular-nums;
  text-overflow:ellipsis;
  white-space:nowrap;
  overflow:hidden;
}
.picker select:focus{
  border-color:var(--green);
  background-color:var(--card);
  box-shadow:0 0 0 4px rgba(34,197,94,.13);
}
html[data-theme="dark"] .picker select{
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9' viewBox='0 0 14 9'%3E%3Cpath d='M1 1.5L7 7.5L13 1.5' stroke='%2394A6BF' stroke-width='1.8' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}

/* 结果面板 */
.result{background:linear-gradient(150deg,#0B1B33,#122744);border-radius:var(--radius);padding:20px;color:#fff;}
@media(min-width:768px){.result{padding:26px;}}
.result h2{font-size:17px;font-weight:700;margin-bottom:18px;display:flex;align-items:center;gap:9px;}
.result h2::before{content:"";width:4px;height:17px;border-radius:2px;background:var(--gold);flex-shrink:0;}
.res-hero{margin:14px 0 8px;padding:18px;border-radius:14px;text-align:center;background:linear-gradient(135deg,rgba(34,197,94,.22),rgba(245,179,1,.14));border:1px solid rgba(34,197,94,.3);}
.res-hero span{display:block;font-size:13.5px;color:rgba(255,255,255,.8);margin-bottom:6px;}
.res-hero b{font-size:32px;font-weight:800;color:#8BF0B4;font-variant-numeric:tabular-nums;word-break:break-all;}
.res-hero small{font-size:15px;color:rgba(255,255,255,.7);font-weight:600;}
.res-row{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:12px 0;border-bottom:1px dashed rgba(255,255,255,.14);font-size:14.5px;}
.res-row:last-of-type{border-bottom:none;}
.res-row span{color:rgba(255,255,255,.68);flex-shrink:0;}
.res-row b{font-weight:700;font-variant-numeric:tabular-nums;text-align:right;word-break:break-all;}
.res-note{font-size:12.5px;color:rgba(255,255,255,.5);margin-top:16px;line-height:1.7;}
.res-actions{display:flex;gap:10px;margin-top:20px;flex-wrap:wrap;}
.res-actions .btn{flex:1;min-width:140px;}
/* 关键修复：深色面板内描边按钮不得白字白底 */
.res-actions .btn-outline{color:#fff;border-color:rgba(255,255,255,.42);background:rgba(255,255,255,.08);}
.res-actions .btn-outline:hover{background:rgba(255,255,255,.16);border-color:#fff;}

/* 指标卡 */
.metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;}
.metric{background:var(--bg);border-radius:14px;padding:16px;}
.metric span{font-size:12.5px;color:var(--text-2);display:block;margin-bottom:7px;}
.metric b{font-size:23px;font-weight:800;font-variant-numeric:tabular-nums;display:block;word-break:break-all;}
.metric b small{font-size:13px;font-weight:600;color:var(--text-2);}
.metric .tip{font-size:11.5px;color:var(--text-2);margin-top:5px;}

/* 月度柱状图 */
.bars{display:flex;align-items:flex-end;gap:6px;height:160px;border-bottom:1px solid var(--line);padding-bottom:2px;}
.mbar{flex:1;border-radius:5px 5px 0 0;position:relative;transition:height .5s ease;background:linear-gradient(180deg,#F5B301,#FFD98B);}
html[data-theme="dark"] .mbar{background:linear-gradient(180deg,#FFC93C,#B88A00);}
.mbar.peak{background:linear-gradient(180deg,#22C55E,#16A34A);}
html[data-theme="dark"] .mbar.peak{background:linear-gradient(180deg,#34D371,#1E9E52);}
.mbar .val{position:absolute;top:-18px;left:50%;transform:translateX(-50%);font-size:9.5px;color:var(--text-2);font-variant-numeric:tabular-nums;white-space:nowrap;}
.mlabels{display:flex;gap:6px;margin-top:8px;}
.mlabels span{flex:1;text-align:center;font-size:10.5px;color:var(--text-2);}

/* 稳定度计 */
.stab-track{height:10px;border-radius:99px;background:var(--bg);overflow:hidden;}
.stab-fill{height:100%;border-radius:99px;background:linear-gradient(90deg,#38A3D1,#22C55E);transition:width .5s;}
.stab-scale{display:flex;justify-content:space-between;font-size:11.5px;color:var(--text-2);margin-top:6px;}

/* 表格 */
.tbl-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:var(--radius);background:var(--card);}
table{width:100%;border-collapse:collapse;font-size:14px;min-width:640px;}
thead{background:var(--navy);color:#fff;}
th,td{padding:12px 14px;text-align:right;font-variant-numeric:tabular-nums;border-bottom:1px solid var(--line);white-space:nowrap;}
th:first-child,td:first-child{text-align:left;}
th{font-weight:600;font-size:12.5px;letter-spacing:.3px;}
tbody tr{cursor:pointer;transition:.15s;}
tbody tr:hover{background:var(--bg);}
tbody tr.sel{background:rgba(34,197,94,.1);}
.lvl{display:inline-block;padding:2px 10px;border-radius:99px;font-size:12px;font-weight:700;}
.lvl.l1{background:rgba(245,179,1,.2);color:#8A6400;}
.lvl.l2{background:rgba(34,197,94,.18);color:#0F7A3D;}
.lvl.l3{background:rgba(56,163,209,.18);color:#1B6E96;}
.lvl.l4{background:rgba(147,164,190,.22);color:#5A6B85;}
html[data-theme="dark"] .lvl.l1{color:#FFC93C;}
html[data-theme="dark"] .lvl.l2{color:#4ADE80;}
html[data-theme="dark"] .lvl.l3{color:#7DD3FC;}
html[data-theme="dark"] .lvl.l4{color:#B6C4D8;}

/* 等级徽章 */
.badge{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:99px;font-size:13px;font-weight:800;color:#3A2700;background:#F5B301;white-space:nowrap;}
.badge.g1{background:linear-gradient(135deg,#FFD24D,#F5B301);}
.badge.g2{background:linear-gradient(135deg,#A7E8A0,#22C55E);color:#04210F;}
.badge.g3{background:linear-gradient(135deg,#8BCFF0,#38A3D1);color:#02202E;}
.badge.g4{background:linear-gradient(135deg,#C9D2E0,#93A4BE);color:#1B2436;}

/* 等级说明卡 */
.grade-grid{display:grid;gap:14px;}
@media(min-width:600px){.grade-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1000px){.grade-grid{grid-template-columns:repeat(4,1fr);gap:18px;}}
.grade{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;position:relative;overflow:hidden;transition:.22s;}
.grade::before{content:"";position:absolute;left:0;top:0;width:100%;height:4px;}
.grade.g1::before{background:linear-gradient(90deg,#FFD24D,#F5B301);}
.grade.g2::before{background:linear-gradient(90deg,#A7E8A0,#22C55E);}
.grade.g3::before{background:linear-gradient(90deg,#8BCFF0,#38A3D1);}
.grade.g4::before{background:linear-gradient(90deg,#C9D2E0,#93A4BE);}
@media(hover:hover){.grade:hover{transform:translateY(-5px);box-shadow:var(--shadow);}}
.grade h4{font-size:16px;font-weight:800;margin-bottom:9px;}
.grade .num{font-size:13px;color:var(--text-2);margin-bottom:9px;font-variant-numeric:tabular-nums;}
.grade p{font-size:12.5px;color:var(--text-2);line-height:1.65;}

/* 数据来源列表 */
.src-list li{display:flex;gap:14px;padding:15px 0;border-bottom:1px solid var(--line);}
.src-list li:last-child{border-bottom:none;}
.src-list .ic{flex:0 0 34px;height:34px;border-radius:10px;background:rgba(245,179,1,.15);display:flex;align-items:center;justify-content:center;font-size:16px;}
.src-list b{display:block;font-size:14.5px;margin-bottom:2px;}
.src-list span{font-size:13px;color:var(--text-2);line-height:1.65;}

/* 提示条 */
.notice{display:flex;gap:12px;padding:14px 16px;border-radius:var(--radius-sm);background:rgba(245,179,1,.1);border:1px solid rgba(245,179,1,.28);font-size:13.5px;line-height:1.7;margin-top:16px;}
.notice .ni{flex-shrink:0;font-size:16px;}
.notice.info{background:rgba(56,163,209,.1);border-color:rgba(56,163,209,.28);}

/* 快捷标签 */
.chips{display:flex;gap:8px;flex-wrap:wrap;}
.chips .chip{cursor:pointer;}
.chips .chip.on{background:var(--gold);border-color:var(--gold);color:#3A2700;font-weight:600;}

/* 工具页底部导航（移动端） */
.tool-tabbar{position:fixed;left:0;right:0;bottom:0;z-index:130;height:calc(var(--tabbar-h) + var(--safe-b));padding-bottom:var(--safe-b);background:var(--card);border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(3,1fr);box-shadow:0 -6px 22px rgba(11,27,51,.08);}
@media(min-width:900px){.tool-tabbar{display:none;}body[data-page="tool"]{padding-bottom:0;}}
@media(max-width:899px){body[data-page="tool"]{padding-bottom:calc(var(--tabbar-h) + var(--safe-b));}}

/* ---------- 导出面板 ---------- */
.exp-panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin-top:16px;}
.exp-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:16px;}
.exp-head b{font-size:16px;font-weight:700;}
.exp-head span{font-size:12.5px;color:var(--text-2);}
.exp-btns{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;}
@media(max-width:560px){.exp-btns{grid-template-columns:repeat(3,1fr);}}
.exp-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  min-height:66px;border-radius:12px;border:1.5px solid var(--line);background:var(--bg);
  font-size:12.5px;font-weight:700;color:var(--text);transition:.2s;}
.exp-btn:active{transform:scale(.96);border-color:var(--green);background:rgba(34,197,94,.1);}
@media(hover:hover){.exp-btn:hover{border-color:var(--green);background:rgba(34,197,94,.08);}}
.exp-btn .ei{font-size:19px;line-height:1;}
.exp-tip{font-size:12.5px;color:var(--text-2);line-height:1.7;margin-top:14px;}
.exp-all{width:100%;margin-top:14px;min-height:48px;border-radius:12px;
  background:linear-gradient(135deg,#22C55E,#16A34A);color:#04210F;font-size:15px;font-weight:800;
  box-shadow:0 8px 22px rgba(34,197,94,.32);transition:.2s;}
.exp-all:active{transform:scale(.98);}

/* ---------- 工具类 ---------- */
.mt16{margin-top:16px;}
.mt24{margin-top:24px;}
.tc{text-align:center;}
.small{font-size:13px;color:var(--text-2);}
.rv{opacity:0;transform:translateY(16px);transition:opacity .55s ease,transform .55s cubic-bezier(.2,.7,.3,1);}
.rv.in{opacity:1;transform:none;}
@media(prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none;}html{scroll-behavior:auto;}}

/* ==========================================================================
   移动端兜底安全规则（响应式修复 v2026-10，只增不改）
   目的：任何页面在小屏下都不出现横向撑破 / 长数字挤出 / 文字溢出
   ========================================================================== */
img,canvas,video{max-width:100%;height:auto;}
pre,code{overflow-wrap:break-word;}
.hint{overflow-wrap:break-word;}
.card h2,.card h3,.sec-head h2{overflow-wrap:break-word;}
.res-row{min-width:0;}
.res-row b,.res-hero b,.metric b{max-width:100%;}
.tool-body{min-width:0;}
.src-list .ic{flex-shrink:0;}
.tab{text-align:center;}
/* 窄屏下结果主数值适度缩小，避免长数字挤压溢出 */
@media(max-width:560px){
  .res-hero b{font-size:26px;}
  .metric b{font-size:19px;}
}
/* 裸表格兜底：小屏收紧内边距与字号，配合 .tbl-wrap 横向滚动 */
@media(max-width:600px){
  table{font-size:13px;}
  th,td{padding:9px 10px;}
}
/* 双栏/三栏输入行在极窄屏单列（既有 440px 断点补强到 480px） */
@media(max-width:480px){
  .field-row,.field-row-3{grid-template-columns:1fr;gap:0;}
}

/* ==========================================================================
   表格全局叠加修复 v2026-10（只增不改，页面内 <style> 优先级更高时不冲突）
   审计结论：全站表格均已由 .tbl-wrap（或 .hp-tblwrap/.cmp-wrap）横向滚动兜底，
   表头/正文列数一致；以下为对齐与宽度的统一兜底与极少数页面的宽度校正。
   ========================================================================== */
table.fin-table{width:100%;min-width:600px;}
.fin-table th{text-align:right;}
.fin-table th:first-child,.fin-table td:first-child{text-align:left;}
.fin-table td,.fin-table th{font-variant-numeric:tabular-nums;}
.stage-tb th:first-child,.stage-tb td:first-child{text-align:left;}
/* report.html 两列标签表：内容短，取消 640px 最小宽度，避免小屏无谓横向滚动 */
#baseTable,#calcTable{min-width:0;}