/* =========================================================================
   VPNWu — base.css
   设计令牌 / reset / 排版 / 按钮 / 头部 / 页脚 / 首屏装置 / 通用面板 / reveal
   ========================================================================= */

/* ------------------------------------------------------------------ tokens */
:root{
  /* —— 色板（唯一取色处，组件里不得再写硬编码颜色）—— */
  --bg:#FBF9F3;
  --bg-top:#FDFBF6;
  --bg-bottom:#F6F1E4;
  --bg-panel:#FFFFFF;
  --bg-panel-2:#F4F0E6;
  --border:#E4DECE;
  --border-soft:#EFE9DA;
  --border-strong:#D6CEB8;
  --accent:#F5C400;
  --accent-dark:#B98A00;
  --accent-wash:rgba(245,196,0,.12);
  --accent-wash-2:rgba(245,196,0,.24);
  --ink:#1A1A18;
  --ink-deep:#16181C;
  --muted:#6E6A5E;
  --success:#2E7D4F;
  --success-wash:rgba(46,125,79,.13);
  --warn:#C2761A;
  --warn-wash:rgba(194,118,26,.14);
  --error:#BE3A2B;
  --error-wash:rgba(190,58,43,.12);
  --flag-red:#C8102E;
  --flag-blue:#12326B;
  --flag-white:#FFFFFF;

  /* —— 深色面板上的前景（卖点区 / CTA 横带）—— */
  --on-dark:#F7F3E8;
  --on-dark-muted:rgba(247,243,232,.68);
  --on-dark-line:rgba(247,243,232,.18);
  --on-dark-fill:rgba(247,243,232,.07);
  --on-dark-fill-2:rgba(247,243,232,.13);

  /* —— 材质与阴影 —— */
  --glass:rgba(251,249,243,.86);
  --grid-line:rgba(26,26,24,.032);
  --honey-a:rgba(245,196,0,.18);
  --honey-b:rgba(245,196,0,.07);
  --honey-shadow:rgba(185,138,0,.42);
  --ink-shadow:rgba(26,26,24,.18);
  --hi-white:rgba(255,255,255,.95);
  --hi-ink:rgba(255,255,255,.12);
  --shadow-card:0 12px 28px -20px var(--honey-shadow),0 2px 6px -4px var(--ink-shadow);
  --shadow-device:inset 0 1px 0 var(--hi-white),0 30px 58px -26px var(--honey-shadow),0 8px 20px -14px var(--ink-shadow);
  --shadow-note:0 12px 22px -12px var(--honey-shadow);
  --shadow-btn:0 14px 26px -16px var(--ink-shadow);
  --shadow-panel:0 26px 64px -36px var(--honey-shadow),0 4px 12px -8px var(--ink-shadow);
  --shadow-dark:0 32px 70px -40px rgba(0,0,0,.55);

  /* —— 字体 —— */
  --font-display:Inter,'Noto Sans SC','Noto Sans JP','Noto Sans KR',-apple-system,'PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
  --font-body:Inter,'Noto Sans SC','Noto Sans JP','Noto Sans KR',-apple-system,'PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
  --font-mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,Consolas,'Noto Sans SC',monospace;
  --font-hand:"Segoe Script","Bradley Hand","Chalkboard SE",Georgia,serif;

  /* —— 圆角 —— */
  --r-xs:6px;
  --r-sm:8px;
  --r-md:10px;
  --r-lg:12px;
  --r-xl:18px;
  --r-pill:999px;

  /* —— 版式与节奏 —— */
  --maxw:1240px;
  --gutter:28px;
  --header-h:72px;
  --toc-offset:96px;
  --focus-ring:var(--accent-dark);
}

/* ------------------------------------------------------------------- reset */
*,*::before,*::after{box-sizing:border-box}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:calc(var(--header-h) + 16px);
}
html.nav-open{overflow:hidden}
body{
  margin:0;
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.75;
  color:var(--ink);
  background-color:var(--bg);
  background-image:
    linear-gradient(to right,var(--grid-line) 1px,transparent 1px),
    linear-gradient(to bottom,var(--grid-line) 1px,transparent 1px),
    radial-gradient(760px 470px at 78% -8%,var(--honey-a),transparent 62%),
    radial-gradient(560px 380px at -4% 6%,var(--honey-b),transparent 60%),
    linear-gradient(180deg,var(--bg-top) 0%,var(--bg) 44%,var(--bg-bottom) 100%);
  background-size:26px 26px,26px 26px,auto,auto,auto;
  background-repeat:repeat,repeat,no-repeat,no-repeat,no-repeat;
  background-attachment:scroll;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,h6,p,figure,blockquote,dl,dd{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
img,svg{max-width:100%}
img{height:auto}
svg{flex:none}
hr{border:0;border-top:1px solid var(--border);margin:0}
table{border-collapse:collapse}

/* 行内代码是本站必然出现的超长串（订阅地址 / 安装包名），必须可断 */
code,kbd,samp{
  font-family:var(--font-mono);
  font-variant-ligatures:none;
  overflow-wrap:anywhere;
  word-break:break-word;
}
pre{
  font-family:var(--font-mono);
  font-size:14px;
  line-height:1.65;
  overflow-x:auto;
  max-width:100%;
  -webkit-overflow-scrolling:touch;
}

/* ---------------------------------------------------------------- 焦点可见 */
:focus-visible{
  outline:2px solid var(--focus-ring);
  outline-offset:2px;
  border-radius:var(--r-xs);
}
a:focus-visible,button:focus-visible,summary:focus-visible,
[role="tab"]:focus-visible,input:focus-visible,select:focus-visible{
  outline:2px solid var(--focus-ring);
  outline-offset:2px;
}
.skip-link{
  position:absolute;left:12px;top:-60px;z-index:200;
  padding:10px 16px;border-radius:var(--r-sm);
  background:var(--ink);color:var(--bg-panel);font-size:14px;font-weight:600;
  transition:top .18s ease;
}
.skip-link:focus{top:12px}

/* ------------------------------------------------------------------ layout */
.wrap{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding-inline:var(--gutter);
}
.section{padding-top:76px;padding-bottom:76px}
.section--tight{padding-top:48px;padding-bottom:48px}
.section--flush-top{padding-top:0}
.section-head{max-width:720px;margin-bottom:34px}
.section-head--center{margin-inline:auto;text-align:center}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.1em;
  color:var(--accent-dark);text-transform:uppercase;
}
.kicker::before{
  content:"";width:6px;height:6px;border-radius:50%;flex:none;
  background:var(--accent);box-shadow:0 0 0 4px var(--accent-wash);
}
.section-title{
  margin-top:12px;
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(24px,2.5vw,34px);
  line-height:1.22;
  letter-spacing:-.02em;
  color:var(--ink);
  text-wrap:balance;
}
.section-lede{margin-top:12px;font-size:16.5px;line-height:1.75;color:var(--muted);max-width:660px}
.section-foot{margin-top:28px}

/* -------------------------------------------------------------- typography */
h1,h2,h3,h4{font-family:var(--font-display);color:var(--ink)}
h1{font-weight:800;font-size:clamp(34px,4vw,52px);line-height:1.14;letter-spacing:-.02em}
h2{font-weight:800;font-size:clamp(23px,2.3vw,32px);line-height:1.24;letter-spacing:-.02em}
h3{font-weight:700;font-size:19px;line-height:1.4;letter-spacing:-.01em}
h4{font-weight:700;font-size:16.5px;line-height:1.45}
p{line-height:1.78}
strong{font-weight:650}
.mono{font-family:var(--font-mono);font-variant-ligatures:none}
.lede{font-size:18px;line-height:1.75;color:var(--muted)}
.muted{color:var(--muted)}
.text-accent{color:var(--accent-dark)}

/* 中文关键词防断词：只包 2~4 个汉字 */
.no-break{white-space:nowrap}

/* 蜂蜜黄手绘下划（H1 关键词） */
.hl{position:relative;display:inline-block;padding-bottom:.02em}
.hl::after{
  content:"";position:absolute;left:-.03em;right:-.03em;bottom:-.03em;height:.13em;
  background:var(--accent);
  border-radius:62% 38% 55% 45% / 68% 52% 48% 32%;
  transform:rotate(-.7deg) skewX(-7deg);
  opacity:.92;z-index:-1;
}

.visually-hidden{
  position:absolute!important;width:1px;height:1px;
  padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}

/* ---------------------------------------------------------------- buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:52px;padding:0 28px;
  border:1px solid transparent;
  border-radius:var(--r-sm);
  font-size:16.5px;font-weight:650;letter-spacing:.01em;
  text-align:center;
  cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease;
}
.btn-primary{
  background:var(--ink);color:var(--bg-panel);
  box-shadow:var(--shadow-btn),inset 0 1px 0 var(--hi-ink);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 18px 30px -14px var(--ink-shadow),inset 0 1px 0 var(--hi-ink)}
.btn-ghost,.btn-secondary{
  background:transparent;border:1px solid var(--border-strong);color:var(--ink);
}
.btn-ghost:hover,.btn-secondary:hover{border-color:var(--ink);background:var(--bg-panel)}
.btn-accent{background:var(--accent);color:var(--ink-deep);box-shadow:var(--shadow-note)}
.btn-accent:hover{transform:translateY(-1px)}
.btn-sm{min-height:42px;padding:0 18px;font-size:14.5px}
.btn-block{width:100%}
.btn[disabled],.btn[aria-disabled="true"]{opacity:.55;cursor:not-allowed;transform:none}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center}

/* ----------------------------------------------------------------- header */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--glass);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
}
.head-inner{display:flex;align-items:center;gap:22px;height:var(--header-h)}
.brand{display:flex;align-items:center;gap:10px;flex:none;min-height:44px}
.brand-logo{
  width:34px;height:34px;flex:none;
  border-radius:var(--r-md);
  box-shadow:0 8px 16px -10px var(--honey-shadow);
}
.brand-name{font-family:var(--font-display);font-weight:800;font-size:19px;letter-spacing:-.02em;line-height:1}
.brand-sub{
  font-size:12.5px;color:var(--muted);line-height:1;
  padding-left:10px;margin-left:2px;border-left:1px solid var(--border);letter-spacing:.04em;
}

.main-nav{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-list{display:flex;align-items:center;gap:2px;list-style:none;margin:0;padding:0}
.nav-list > li{display:flex;align-items:center}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  min-height:40px;padding:8px 13px;border-radius:var(--r-sm);
  font-size:15px;font-weight:500;color:var(--muted);
  background:transparent;border:0;cursor:pointer;
  transition:color .18s,background-color .18s;
}
.nav-link:hover{color:var(--ink);background:var(--bg-panel-2)}
.nav-link.is-active{color:var(--ink);font-weight:650}
.nav-link.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;
  border-radius:2px;background:var(--accent);
}
.caret{fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;opacity:.8}
.nav-more{position:relative}
.nav-drop{
  position:absolute;top:calc(100% + 10px);left:0;min-width:176px;
  display:grid;gap:2px;padding:8px;
  background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--r-md);
  box-shadow:var(--shadow-card);
  opacity:0;visibility:hidden;transform:translateY(-4px);
  transition:opacity .16s ease,transform .16s ease,visibility .16s;
  z-index:70;
}
.nav-more:hover .nav-drop,
.nav-more:focus-within .nav-drop,
.nav-more.is-open .nav-drop{opacity:1;visibility:visible;transform:none}
.nav-drop a{
  display:flex;align-items:center;min-height:36px;padding:7px 11px;
  border-radius:var(--r-xs);font-size:14.5px;color:var(--muted);
  transition:background-color .16s,color .16s;
}
.nav-drop a:hover,.nav-drop a.is-active{background:var(--bg-panel-2);color:var(--ink)}

.head-tools{margin-left:auto;display:flex;align-items:center;gap:14px}
.head-right{margin-left:auto;display:flex;align-items:center;gap:14px}

/* 语言切换 */
.lang-switch{position:relative;display:inline-flex;align-items:center}
.lang-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  min-height:36px;padding:0 10px;
  border:1px solid transparent;border-radius:var(--r-sm);
  background:transparent;font-size:14px;color:var(--muted);cursor:pointer;
  white-space:nowrap;
  transition:background-color .16s,color .16s,border-color .16s;
}
.lang-btn:hover{background:var(--bg-panel-2);color:var(--ink)}
.lang-menu{
  position:absolute;right:0;top:calc(100% + 8px);min-width:156px;
  display:grid;gap:2px;padding:6px;
  background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--r-md);
  box-shadow:var(--shadow-card);
  opacity:0;visibility:hidden;transform:translateY(-4px);
  transition:opacity .16s ease,transform .16s ease,visibility .16s;
  z-index:80;
}
.lang-menu.is-open{opacity:1;visibility:visible;transform:none}
.lang-menu a{
  display:flex;align-items:center;min-height:36px;padding:6px 10px;
  border-radius:var(--r-xs);font-size:14px;color:var(--muted);
}
.lang-menu a:hover{background:var(--bg-panel-2);color:var(--ink)}
.lang-menu a[aria-current="true"]{color:var(--ink);font-weight:650;background:var(--accent-wash)}

.btn-login{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:38px;padding:0 18px;
  border:1px solid var(--ink);border-radius:var(--r-sm);
  font-size:14.5px;font-weight:600;color:var(--ink);background:transparent;
  white-space:nowrap;
  transition:background-color .18s,color .18s;
}
.btn-login:hover{background:var(--ink);color:var(--bg-panel)}

/* 汉堡 */
.nav-toggle{
  display:none;
  align-items:center;justify-content:center;
  min-width:44px;min-height:44px;padding:0;
  border:1px solid var(--border-strong);border-radius:var(--r-sm);
  background:var(--bg-panel);cursor:pointer;
}
.nav-toggle svg{width:20px;height:20px;stroke:var(--ink);stroke-width:1.8;fill:none;stroke-linecap:round}
.nav-toggle .icon-close{display:none}
.nav-toggle[aria-expanded="true"] .icon-open{display:none}
.nav-toggle[aria-expanded="true"] .icon-close{display:block}

/* 抽屉（移动端） */
.nav-drawer{display:none}

/* -------------------------------------------------------------------- hero */
.hero{
  position:relative;
  display:flex;align-items:center;
  min-height:calc(100svh - var(--header-h) - 1px);
  padding-top:36px;padding-bottom:44px;
  overflow-x:clip;
  max-width:100%;
}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.06fr);
  gap:44px;
  align-items:center;
  width:100%;
}
.hero-copy{position:relative;z-index:3;min-width:0}

.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  padding:7px 15px 7px 12px;
  font-size:13px;line-height:1.4;color:var(--muted);letter-spacing:.04em;
  background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--r-pill);
  box-shadow:var(--shadow-card);
}
.eyebrow-dot{
  width:7px;height:7px;border-radius:50%;flex:none;
  background:var(--accent);box-shadow:0 0 0 4px var(--accent-wash);
}

.hero-h1{
  margin-top:22px;
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(36px,4.55vw,66px);
  line-height:1.1;
  letter-spacing:-.02em;
  color:var(--ink);
}
.h1-line{display:block}

.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-lede{margin-top:24px;max-width:540px;font-size:16.5px;line-height:1.72;color:var(--muted)}
.hero-lede strong{color:var(--ink);font-weight:650}
.hero-lede .mono{font-size:.94em;font-weight:500;color:var(--ink)}

.trust-row{display:flex;flex-wrap:wrap;align-items:center;margin-top:20px;font-size:14px;color:var(--muted)}
.trust-row li{display:inline-flex;align-items:center;gap:7px;padding:0 15px;line-height:1.5}
.trust-row li:first-child{padding-left:0}
.trust-row li + li{border-left:1px solid var(--border)}
.tick{fill:none;stroke:var(--success);stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;flex:none}
.dot-mark{width:4px;height:4px;border-radius:50%;background:var(--accent);flex:none}

.meta-rows{margin-top:26px;padding-top:22px;border-top:1px solid var(--border);display:grid;gap:12px}
.meta-row{display:flex;align-items:center;gap:16px}
.row-label{flex:none;width:56px;font-size:12.5px;color:var(--muted);letter-spacing:.08em}
.platform-row,.flag-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px}
.platform{display:inline-flex;align-items:center;gap:7px;font-size:13.5px;color:var(--muted);line-height:1}
.platform svg{width:16px;height:16px;color:var(--ink);opacity:.82;flex:none}
.flag-item{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--muted);line-height:1}
.flag{
  display:inline-block;flex:none;
  width:22px;height:15px;
  border:1px solid var(--border);border-radius:3px;
  overflow:hidden;line-height:0;
}
.flag svg{display:block;width:100%;height:100%}
.fl-white{fill:var(--flag-white)}
.fl-red{fill:var(--flag-red)}
.fl-blue{fill:var(--flag-blue)}
.fl-stroke{fill:none;stroke:var(--border);stroke-width:1}

/* 首屏装置 */
[data-hero-visual]{position:relative;min-width:0}
.hero-stage{position:relative;z-index:2;min-width:0;padding:28px 0 34px 20px}
.stage-glow{
  position:absolute;top:-8%;right:-10%;
  width:82%;aspect-ratio:1;
  border-radius:50%;
  background:radial-gradient(circle at 50% 50%,var(--honey-a),transparent 66%);
  pointer-events:none;z-index:0;
}
.stage-arc{position:absolute;top:-6px;left:-30px;width:320px;height:320px;z-index:0;opacity:.85}
.stage-arc path{fill:none;stroke:var(--border-strong);stroke-width:1;stroke-dasharray:3 8;stroke-linecap:round}

.doodles{position:absolute;inset:0;z-index:1;pointer-events:none}
.doodle{
  position:absolute;
  font-family:var(--font-hand);
  font-style:italic;line-height:1;color:var(--border-strong);
  -webkit-user-select:none;user-select:none;
}
.doodle-a{top:0;left:-12px;font-size:30px;rotate:-9deg}
.doodle-b{top:36px;left:26px;font-size:21px;rotate:7deg;color:var(--accent-dark);opacity:.45}
.doodle-c{top:46%;left:-24px;font-size:25px;rotate:-14deg}
.doodle-d{bottom:12%;left:-6px;font-size:19px;rotate:11deg}

.device-stack{position:relative;z-index:2}
.device{
  background:var(--bg-panel);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-device);
  overflow:hidden;
  color:var(--ink);
  animation:device-float 6s ease-in-out infinite;
}
.laptop{
  position:relative;z-index:2;width:78%;
  transform-origin:left center;
  transform:perspective(1600px) rotateY(-10deg) rotate(-1.6deg);
}
.tablet{
  position:relative;z-index:3;width:62%;
  margin-left:5%;margin-top:-30px;
  animation-delay:-2s;
}
.phone{
  position:absolute;right:0;top:150px;z-index:4;width:27%;
  border-radius:18px;
  transform:rotate(3deg);
  animation-delay:-4s;
}

/* 笔记本窗口 */
.win-bar{
  display:flex;align-items:center;gap:5px;height:32px;padding:0 12px;
  background:var(--bg-panel-2);
  border-bottom:1px solid var(--border-soft);
}
.wdot{width:7px;height:7px;border-radius:50%;flex:none}
.wdot-r{background:var(--error)}
.wdot-y{background:var(--accent)}
.wdot-g{background:var(--success)}
.win-title{
  margin-left:7px;font-size:10.5px;font-weight:600;color:var(--muted);letter-spacing:.03em;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.win-tag{
  margin-left:auto;flex:none;
  font-size:9px;color:var(--accent-dark);background:var(--accent-wash);
  padding:1px 7px;border-radius:var(--r-pill);letter-spacing:.02em;
}
.laptop-grid{display:grid;grid-template-columns:minmax(0,1fr) 158px;gap:10px;padding:11px}
.route-list{display:flex;flex-direction:column;gap:2px;min-width:0}
.route{
  display:flex;align-items:center;gap:8px;height:30px;padding:0 7px;
  border-radius:var(--r-xs);font-size:11.5px;color:var(--ink);
}
.route.is-on{background:var(--accent-wash);box-shadow:inset 2px 0 0 var(--accent)}
.route-name{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;letter-spacing:.01em}
.mini-flag{
  width:16px;height:11px;flex:none;
  border:1px solid var(--border-soft);border-radius:2px;overflow:hidden;line-height:0;
}
.mini-flag svg{display:block;width:100%;height:100%}

.chip{
  display:inline-flex;align-items:center;flex:none;
  height:16px;padding:0 6px;border-radius:var(--r-pill);
  font-size:9px;font-weight:600;letter-spacing:.02em;white-space:nowrap;line-height:1;
}
.chip-direct{color:var(--success);background:var(--success-wash)}
.chip-relay{color:var(--warn);background:var(--warn-wash)}
.chip-dedicated{color:var(--accent-dark);background:var(--accent-wash-2)}
.chip-proto{
  height:15px;padding:0 5px;
  font-family:var(--font-mono);font-size:8.5px;font-weight:500;letter-spacing:0;
  color:var(--muted);background:var(--bg-panel-2);border:1px solid var(--border-soft);
}
.chip-proto-sm{margin-top:7px;height:16px;font-size:8.5px}

.laptop-side{display:flex;flex-direction:column;min-width:0}
.conn-card{
  display:flex;align-items:center;gap:8px;
  padding:8px 9px;border-radius:var(--r-sm);
  background:var(--accent-wash);border:1px solid var(--accent-wash-2);
}
.pulse{
  width:8px;height:8px;border-radius:50%;flex:none;
  background:var(--success);box-shadow:0 0 0 3px var(--success-wash);
  animation:dot-breathe 2.6s ease-in-out infinite;
}
.conn-text{display:flex;flex-direction:column;line-height:1.3;min-width:0}
.conn-title{font-size:11px;font-weight:700;color:var(--ink);letter-spacing:.02em}
.conn-sub{
  font-size:8.5px;color:var(--muted);letter-spacing:.02em;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.proto-grid{display:flex;flex-wrap:wrap;gap:4px;margin-top:8px}
.plan-line{
  display:flex;align-items:center;gap:7px;margin-top:8px;
  padding:6px 9px;border-radius:var(--r-xs);
  background:var(--bg-panel-2);border:1px solid var(--border-soft);
}
.plan-price{font-size:11px;font-weight:700;color:var(--ink)}
.plan-dot{width:3px;height:3px;border-radius:50%;background:var(--border-strong);flex:none}
.plan-gb{font-size:10px;color:var(--muted)}

/* 平板线路列表 */
.tablet-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 13px 0}
.tablet-title{font-size:12px;font-weight:700;letter-spacing:.02em}
.pill-unlimited{
  flex:none;font-size:9px;font-weight:700;letter-spacing:.02em;
  color:var(--ink-deep);background:var(--accent);
  padding:2px 8px;border-radius:var(--r-pill);
  box-shadow:0 5px 10px -7px var(--honey-shadow);
}
.tablet-meta{padding:3px 13px 9px;font-size:9px;color:var(--muted);letter-spacing:.03em}
.t-row{
  display:flex;align-items:center;gap:8px;height:31px;
  padding:0 13px;font-size:11px;
  border-top:1px solid var(--border-soft);
}
.t-row.is-on{background:var(--accent-wash);box-shadow:inset 2px 0 0 var(--accent)}
.t-name{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* 手机状态卡 */
.phone{padding:9px 10px 11px}
.phone-notch{display:block;width:40px;height:4px;border-radius:2px;background:var(--border);margin:0 auto 9px}
.phone-status{display:flex;align-items:center;gap:6px;font-size:11px;font-weight:700;letter-spacing:.02em}
.phone-status .pulse{width:7px;height:7px;box-shadow:0 0 0 2px var(--success-wash)}
.phone-region{margin-top:3px;font-size:9.5px;line-height:1.45;color:var(--muted)}
.phone-rule{height:1px;background:var(--border-soft);margin:9px 0 8px}
.phone-label{font-size:8.5px;color:var(--muted);letter-spacing:.08em}
.phone-icons{display:flex;align-items:center;gap:7px;margin-top:7px}
.phone-icons svg{width:12px;height:12px;color:var(--muted);flex:none}

/* 便签 */
.sticky-note{
  position:absolute;right:2%;bottom:4px;z-index:5;
  padding:8px 13px;
  background:var(--accent);color:var(--ink-deep);
  font-family:var(--font-display);font-size:13px;font-weight:800;letter-spacing:.03em;line-height:1.2;
  border-radius:3px;
  rotate:6deg;
  box-shadow:var(--shadow-note);
  animation:note-sway 6s ease-in-out infinite;
}
.sticky-note::before{
  content:"";position:absolute;top:-6px;left:50%;width:34px;height:11px;margin-left:-17px;
  background:var(--bg-panel);opacity:.6;border-radius:1px;rotate:-4deg;
  box-shadow:0 1px 2px var(--ink-shadow);
}

@keyframes device-float{0%,100%{translate:0 0}50%{translate:0 -3px}}
@keyframes note-sway{0%,100%{rotate:6deg}50%{rotate:5.4deg}}
@keyframes dot-breathe{0%,100%{opacity:1}50%{opacity:.5}}

/* ------------------------------------------------------------ 通用面板/卡片 */
.panel{
  background:var(--bg-panel);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-card);
}
.panel--pad{padding:26px 24px}
.panel--soft{background:var(--bg-panel-2);box-shadow:none}
.panel--dark{
  background:var(--ink-deep);
  color:var(--on-dark);
  border:1px solid var(--ink-deep);
  border-radius:var(--r-xl);
  box-shadow:var(--shadow-dark);
}
.card{
  display:flex;flex-direction:column;min-width:0;
  padding:22px;
  background:var(--bg-panel);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-card);
}
.card-title{font-size:17px;font-weight:700;letter-spacing:-.01em}
.card-text{margin-top:8px;font-size:14.5px;line-height:1.7;color:var(--muted)}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  max-width:100%;overflow:hidden;
  min-height:24px;padding:3px 10px;
  border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.02em;
  color:var(--accent-dark);background:var(--accent-wash);
  border:1px solid var(--accent-wash-2);
  white-space:nowrap;text-overflow:ellipsis;
}
.badge--neutral{color:var(--muted);background:var(--bg-panel-2);border-color:var(--border)}
.badge--success{color:var(--success);background:var(--success-wash);border-color:transparent}

/* ------------------------------------------------------------------- footer */
.site-footer{
  margin-top:0;
  padding-top:56px;padding-bottom:26px;
  background:var(--bg-panel-2);
  border-top:1px solid var(--border);
}
.foot-grid{
  display:grid;
  grid-template-columns:minmax(0,1.5fr) minmax(0,.85fr) minmax(0,.85fr) minmax(0,1.1fr);
  gap:36px;
}
.foot-brand{min-width:0}
.foot-logo{display:inline-flex;align-items:center;gap:10px;min-height:44px}
.foot-logo img{width:30px;height:30px;border-radius:var(--r-sm)}
.foot-name{font-family:var(--font-display);font-weight:800;font-size:18px;letter-spacing:-.01em}
.foot-desc{margin-top:12px;max-width:320px;font-size:14px;line-height:1.75;color:var(--muted)}
.foot-col{min-width:0}
.foot-col-title{
  font-size:12.5px;font-weight:700;letter-spacing:.1em;
  color:var(--ink);margin-bottom:10px;
}
.foot-links{display:grid;gap:2px}
.foot-links a{
  display:inline-flex;align-items:center;min-height:32px;
  font-size:14px;color:var(--muted);
  transition:color .16s;
}
.foot-links a:hover{color:var(--ink)}
.foot-hot{display:flex;flex-wrap:wrap;gap:8px}
.hot-chip{
  display:inline-flex;align-items:center;
  max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  min-height:28px;padding:4px 11px;
  border-radius:var(--r-pill);
  font-size:12.5px;color:var(--muted);
  background:var(--bg-panel);
  border:1px solid var(--border);
  transition:color .16s,border-color .16s,background-color .16s;
}
.hot-chip:hover{color:var(--ink);border-color:var(--border-strong);background:var(--bg-panel)}
.foot-lang{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.lang-link{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:32px;padding:4px 12px;
  border-radius:var(--r-pill);
  font-size:12.5px;color:var(--muted);
  border:1px solid var(--border);background:transparent;
  white-space:nowrap;
}
.lang-link:hover{color:var(--ink);border-color:var(--border-strong);background:var(--bg-panel)}
.lang-link[aria-current="true"]{color:var(--ink);font-weight:650;background:var(--accent-wash);border-color:var(--accent-wash-2)}
.foot-bottom{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px 22px;
  margin-top:34px;padding-top:18px;
  border-top:1px solid var(--border);
  font-size:13px;color:var(--muted);
}
.foot-copy{font-size:13px;color:var(--muted)}
.foot-legal{display:flex;flex-wrap:wrap;gap:6px 18px;margin-left:auto}
.foot-legal a{display:inline-flex;align-items:center;min-height:28px;font-size:13px;color:var(--muted)}
.foot-legal a:hover{color:var(--ink)}

/* ------------------------------------------------------------------- reveal */
.reveal{transition:opacity .5s ease,transform .5s ease}
.reveal.pending{opacity:0;transform:translateY(16px)}

/* ---------------------------------------------------- 服务状态容器（占位夹） */
#server-status{
  display:block;
  position:static;
  overflow:hidden;
  max-width:100%;
  margin:0 0 28px;
}
#server-status > *{min-width:0;max-width:100%}

/* --------------------------------------------------------------- 溢出防护 */
/* 装饰性倾斜不许作用在长内容容器上；窄屏一律拉平 */
.tilt{transform:rotate(-.45deg)}
.tilt-r{transform:rotate(.45deg)}

/* 含绝对定位装饰的区块必须夹住横向溢出 */
.has-deco{position:relative;overflow-x:clip;max-width:100%}
.deco-abs{position:absolute;pointer-events:none;max-width:100%}

/* ------------------------------------------------------------- 响应式断点 */
@media (max-width:1180px){
  .hero-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px}
  .hero-h1{font-size:clamp(34px,4vw,54px)}
  .laptop-grid{grid-template-columns:minmax(0,1fr) 142px}
  .row-label{width:50px}
  .foot-grid{grid-template-columns:minmax(0,1.3fr) minmax(0,.9fr) minmax(0,.9fr);gap:28px}
}

@media (max-width:980px){
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .head-tools{margin-left:auto;gap:10px}
  .head-right{gap:10px}
  .lang-switch{display:none}

  .nav-drawer{
    display:block;
    position:absolute;left:0;right:0;top:100%;
    background:var(--bg-panel);
    border-bottom:1px solid var(--border);
    box-shadow:var(--shadow-card);
    padding:8px var(--gutter) 20px;
    max-height:calc(100dvh - var(--header-h));
    overflow-y:auto;
    overscroll-behavior:contain;
    opacity:0;visibility:hidden;transform:translateY(-6px);
    transition:opacity .18s ease,transform .18s ease,visibility .18s;
    z-index:75;
  }
  .nav-drawer.is-open{opacity:1;visibility:visible;transform:none}
  .nav-drawer ul{display:grid;gap:0;margin:0;padding:0;list-style:none}
  .nav-drawer a{
    display:flex;align-items:center;width:100%;
    min-height:48px;padding:12px 4px;
    border-bottom:1px solid var(--border-soft);
    font-size:16px;color:var(--ink);
  }
  .nav-drawer a.is-active{color:var(--accent-dark);font-weight:700}
  .nav-drawer .drawer-title{
    padding:14px 4px 6px;
    font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--muted);
  }
  .nav-drawer .drawer-lang{
    display:grid;gap:0;margin-top:6px;padding-top:6px;
    border-top:1px solid var(--border);
  }
  .nav-drawer .drawer-lang a{font-size:15px;color:var(--muted)}

  .hero{display:block;min-height:auto;padding-top:32px;padding-bottom:48px}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:40px}
  .hero-copy{max-width:620px}
  .hero-stage{padding:0;width:100%;max-width:560px;margin:0 auto}
  .stage-glow{right:auto;left:8%;width:90%}

  .section{padding-top:56px;padding-bottom:56px}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}
}

@media (max-width:768px){
  .doodle-c,.doodle-d{display:none}
  .sticky-note{font-size:12px;padding:7px 11px}
  .foot-legal{margin-left:0}
}

@media (max-width:640px){
  :root{--gutter:18px;--header-h:64px}
  body{font-size:16px;line-height:1.72}

  /* 窄屏允许关键词折行，桌面仍防断词 */
  .no-break{white-space:normal}

  /* 装饰倾斜在窄屏一律拉平，避免包围盒外扩 */
  .tilt,.tilt-r{transform:none}

  .hero-h1{font-size:34px;letter-spacing:-.02em}
  .hero-lede{font-size:15.5px}
  .btn{min-height:48px;padding:0 22px;font-size:15.5px}
  .brand-sub{display:none}
  .device-stack{display:flex;flex-direction:column;gap:16px}
  .laptop{width:100%;transform:none}
  .tablet{width:100%;margin-top:0;transform:none}
  .phone{position:static;width:72%;align-self:flex-end;transform:none;margin:0}
  .sticky-note{position:static;align-self:flex-end;rotate:0deg;animation:none}
  .laptop-grid{grid-template-columns:minmax(0,1fr) 124px;gap:8px;padding:9px}
  .route{height:28px;font-size:10.5px}
  .meta-row{gap:10px;flex-wrap:wrap}
  .row-label{width:auto;font-size:12px}
  .trust-row{font-size:13px}
  .trust-row li{padding:0 10px}
  .section{padding-top:44px;padding-bottom:44px}
  .foot-grid{grid-template-columns:minmax(0,1fr);gap:22px}
  .foot-bottom{flex-direction:column;align-items:flex-start}
  .foot-legal{gap:6px 14px}
}

@media (max-width:360px){
  :root{--gutter:16px}
  .hero-h1{font-size:30px}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .reveal,.reveal.pending{opacity:1;transform:none}
}

/* lh:local-harden:start */
:is(h1,h2,h3,h4){text-wrap:balance}
:is(p,li,dd,dt,figcaption,blockquote,td,th){text-wrap:pretty}
html[lang|="ko"] body{word-break:keep-all;overflow-wrap:break-word}
html[lang|="ja"] :is(h1,h2,h3,h4){word-break:auto-phrase}
.lh-tscroll{overflow-x:auto;max-width:100%;-webkit-overflow-scrolling:touch}
@media (max-width:640px){.lh-tscroll :is(th,td){min-width:5.5em}}
@supports (animation-timeline:scroll()){
  .float-cta{animation:lh-fab-in linear both;animation-timeline:scroll(root);animation-range:0 70vh}
}
@keyframes lh-fab-in{0%,45%{opacity:0;visibility:hidden}100%{opacity:1;visibility:visible}}
/* lh:local-harden:end */