:root{
 --bg:#f3efe7;--paper:#fffdf8;--ink:#1b1d1c;--ink2:#3a3c3a;--mute:#6b6a64;--line:#e2dccf;--line2:#d4ccbc;
 --deep:#10211e;--deep2:#173430;--cream:#f4e6c8;
 --l1:#0e6b62;--l2:#13857a;--l3:#2a9d8f;--l4:#5bb8a8;--l5:#93d0c2;--l6:#bfe3d8;--l7:#d6eee7;--l8:#e9f6f2;
 --drop:#b4261b;--drop-bg:#fcebe8;--amber:#e9a23b;--amber-d:#a96d18;
 --sans:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
 --mono:ui-monospace,"SFMono-Regular",Consolas,"Liberation Mono",monospace;
 --wrap:1160px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);background-image:linear-gradient(180deg,#ebe5d9 0,var(--bg) 340px);color:var(--ink);font:16px/1.78 var(--sans);overflow-wrap:break-word}
img,svg{max-width:100%}
a{color:var(--l1)}
a:focus-visible,button:focus-visible{outline:3px solid var(--amber);outline-offset:2px;border-radius:6px}
.rb-skip{position:absolute;left:-999px;top:8px;background:var(--deep);color:#fff;padding:10px 14px;border-radius:8px;z-index:99}
.rb-skip:focus{left:12px}

/* 页眉 */
.rb-top{background:rgba(255,253,248,.92);border-bottom:1px solid var(--line);position:relative;z-index:20}
.rb-top-in{max-width:var(--wrap);margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:58px}
.rb-logo{display:inline-flex;align-items:center;gap:9px;text-decoration:none;color:var(--ink);font:900 17px/1 var(--sans);letter-spacing:.2em;min-height:44px}
.rb-mark{flex:none}
.rb-nav{display:flex;gap:4px;flex-wrap:wrap;justify-content:flex-end}
.rb-nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 10px;color:var(--ink2);text-decoration:none;font-size:14px;border-radius:8px}
.rb-nav a:hover{background:#efe9dd}
.rb-nav a[aria-current="page"]{color:var(--l1);font-weight:700;box-shadow:inset 0 -3px 0 var(--l3)}

/* 页面外框 */
.rb-doc{max-width:var(--wrap);margin:0 auto;padding:0 24px 40px}
.rb-crumbs{list-style:none;margin:18px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:6px;font-size:13px;color:var(--mute)}
.rb-crumbs li+li::before{content:"›";margin-right:6px;color:var(--line2)}
.rb-crumbs a{color:var(--mute)}
.rb-hero{padding:22px 0 4px;max-width:880px}
.rb-eye{display:flex;flex-wrap:wrap;gap:6px 14px;align-items:center;margin:0 0 10px;font:12px/1.5 var(--mono);color:var(--mute)}
.rb-eye b{background:var(--deep);color:var(--cream);padding:3px 10px;border-radius:999px;font-weight:700;letter-spacing:.08em}
.rb-eye a{color:var(--mute)}
.rb-hero h1{font-size:clamp(25px,3.3vw,40px);line-height:1.24;margin:0 0 10px;font-weight:900;letter-spacing:.01em}
.rb-dek{margin:0;color:var(--ink2);font-size:16px;max-width:760px}
.rb-intro{color:var(--ink2);max-width:760px}
.rb-intro p{margin:0 0 8px}

/* 漏斗 */
.rb-stage{display:grid;grid-template-columns:minmax(0,1fr);gap:24px;margin:18px 0 6px;scroll-margin-top:12px}
.rb-stage.has-kit{grid-template-columns:minmax(0,1fr) 300px;align-items:start}
.rb-fun{position:relative;padding:4px 0}
.rb-row{display:grid;grid-template-columns:minmax(0,1fr) 196px;gap:18px;align-items:center;border-radius:10px}
.rb-layers{list-style:none;margin:5px 0 0;padding:0;display:grid;gap:5px}
.rb-tz{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;justify-self:center;width:calc(var(--w,100%) * .96);min-height:68px;padding:10px 9%;text-align:center;text-decoration:none;color:var(--tc);background:linear-gradient(180deg,var(--c) 0%,var(--c2) 100%);clip-path:polygon(0 0,100% 0,94% 100%,6% 100%);transition:filter .15s}
.rb-tz::after{content:"";position:absolute;left:0;right:0;top:0;height:5px;background:rgba(255,255,255,.22)}
.rb-tz:hover{filter:brightness(1.07) saturate(1.06)}
.rb-row:focus-within{outline:3px solid var(--amber);outline-offset:3px}
.rb-tz:focus-visible{outline:none}
.rb-tz em{font:800 17px/1.1 var(--sans);font-style:normal;opacity:.9}
.rb-tz b{font-size:15.5px;line-height:1.35;font-weight:800}
.rb-tz span{font-size:12.5px;line-height:1.4;opacity:.85}
.is-l1{--c:#0e6b62;--c2:#0a574f;--tc:#fff}
.is-l2{--c:#13857a;--c2:#0f7067;--tc:#fff}
.is-l3{--c:#2a9d8f;--c2:#21897c;--tc:#fff}
.is-l4{--c:#5bb8a8;--c2:#49a696;--tc:#0b2420}
.is-l5{--c:#93d0c2;--c2:#7fc3b3;--tc:#0b2420}
.is-l6{--c:#bfe3d8;--c2:#a9d9cb;--tc:#0b2420}
.is-l7{--c:#d6eee7;--c2:#c4e6dc;--tc:#0b2420}
.is-l8{--c:#e9f6f2;--c2:#d9efe8;--tc:#0b2420}
.is-l0{--c:#e8dcc4;--c2:#cdbd9e;--tc:#10211e}
.is-l9{--c:#173430;--c2:#10211e;--tc:#f4e6c8}
.rb-rim{position:relative;display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:2px 10px;justify-self:stretch;min-height:50px;padding:8px 13%;border-radius:50%;text-decoration:none;color:var(--deep);background:radial-gradient(ellipse at 50% 28%,#fbf4e6 0%,#e6d8bd 55%,#c3ae88 100%);box-shadow:inset 0 -7px 0 rgba(16,33,30,.22),0 8px 16px -10px rgba(16,33,30,.45)}
.rb-rim em{font:800 11px/1 var(--mono);font-style:normal;background:var(--deep);color:var(--cream);border-radius:999px;padding:4px 7px}
.rb-rim b{font-size:15px;font-weight:900}
.rb-rim span{font-size:12.5px;color:#4b4a43}
.rb-row.is-exit{margin-top:6px}
.rb-spout{justify-self:center;display:flex;flex-direction:column;align-items:center;gap:3px;width:min(40%,280px);min-height:56px;padding:9px 12px 12px;background:linear-gradient(180deg,var(--deep2),var(--deep));color:var(--cream);border-radius:4px 4px 20px 20px;text-decoration:none;text-align:center;box-shadow:0 10px 20px -12px rgba(16,33,30,.7)}
.rb-spout i{font:700 10.5px/1 var(--mono);font-style:normal;letter-spacing:.24em;color:var(--amber)}
.rb-spout b{font-size:14px;line-height:1.4}
.rb-side{position:relative;margin:0;font-size:13px;line-height:1.55;color:var(--mute);border-left:3px solid var(--line2);padding:2px 0 2px 11px}
.rb-side i{display:block;font:700 10.5px/1 var(--mono);font-style:normal;letter-spacing:.18em;margin-bottom:4px;color:#8f8c82}
.rb-side.is-drop{color:var(--drop);border-left-color:var(--drop)}
.rb-side.is-drop i{color:#c0645b}
.rb-side.is-drop::before{content:"";position:absolute;left:-22px;top:50%;width:13px;border-top:2px dashed var(--drop);opacity:.5}
.rb-side.is-drop::after{content:"";position:absolute;left:-8px;top:calc(50% + 7px);width:7px;height:7px;border-radius:50% 0 50% 50%;transform:rotate(-45deg);background:var(--drop);opacity:.8}

/* 漏斗口：码卡 / 口卡 */
.rb-kitcol{position:sticky;top:14px}
.rb-kit{position:relative;overflow:hidden;background:radial-gradient(130% 90% at 0% 0%,#20443e 0%,#10211e 58%,#0a1715 100%);color:#f6f1e6;border-radius:20px;padding:20px 18px 16px;box-shadow:0 22px 44px -24px rgba(16,33,30,.8)}
.rb-kit::before{content:"";position:absolute;left:-14%;right:-14%;top:-44px;height:74px;border-radius:50%;background:radial-gradient(ellipse at 50% 72%,rgba(233,162,59,.38),rgba(233,162,59,0) 70%);pointer-events:none}
.rb-kit-lab{position:relative;margin:0 0 12px;font:700 11.5px/1.5 var(--mono);letter-spacing:.1em;color:#d5c59f}
.rb-kit-k{margin:0 0 4px;font-size:12.5px;color:#bcd6cf}
.rb-kit-code{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin:0 0 6px}
.rb-kit-code code{font:900 32px/1 var(--mono);letter-spacing:.08em;color:#fff}
.rb-copy{min-height:40px;padding:0 16px;border-radius:999px;border:1px solid rgba(255,255,255,.5);background:rgba(255,255,255,.07);color:#fff;font:700 13px/1 var(--sans);cursor:pointer}
.rb-copy:hover{background:rgba(255,255,255,.16)}
.rb-copy.is-done{background:var(--l3);border-color:var(--l3)}
.rb-kit-gain{margin:8px 0 14px;font-size:15.5px;font-weight:800;line-height:1.5}
.rb-kit-gain sup{color:var(--amber);font-size:.8em}
.rb-go{display:flex;align-items:center;justify-content:center;min-height:50px;padding:0 14px;border-radius:12px;background:linear-gradient(180deg,#f3b456,#e09a33);color:#1b1d1c;font-weight:900;font-size:16px;text-decoration:none;box-shadow:0 5px 0 var(--amber-d)}
.rb-go:hover{filter:brightness(1.05)}
.rb-go:active{transform:translateY(2px);box-shadow:0 3px 0 var(--amber-d)}
.rb-kit-mini{display:none;margin:0}
.rb-kit-note,.rb-kit-hint,.rb-kit-star{margin:11px 0 0;font-size:12.5px;line-height:1.65;color:#d3e0db}
.rb-kit-star{font-size:12px;color:#a9bcb5}
.rb-lip{background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:16px 18px 18px;box-shadow:0 18px 36px -28px rgba(16,33,30,.5)}
.rb-lip .rb-kit-lab{color:var(--mute);margin-bottom:8px}
.rb-lip-pic svg{display:block;width:100%;height:auto;max-width:240px;margin:0 auto}
.rb-lip-t{margin:10px 0 4px;font-size:16.5px;font-weight:900;line-height:1.45}
.rb-lip-a{margin:0;font-size:14px;color:var(--ink2);line-height:1.7}
.rb-lip-u{margin:8px 0 0;font:12px/1.4 var(--mono);color:var(--mute)}
.rb-404-home{margin:12px 0}
.rb-404-home a{display:flex;align-items:center;justify-content:center;min-height:46px;border-radius:12px;background:var(--deep);color:var(--cream);font-weight:800;text-decoration:none}
.rb-404-links{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.rb-404-links a{display:inline-flex;align-items:center;min-height:44px;padding:0 12px;border:1px solid var(--line);border-radius:999px;color:var(--ink2);text-decoration:none;font-size:14px;background:#fff}

/* 每层怎么做 */
.rb-kick{display:flex;flex-wrap:wrap;gap:6px 12px;align-items:center;margin:0 0 8px;font:12px/1.5 var(--mono);color:var(--mute);letter-spacing:.06em}
.rb-kick b{background:var(--deep);color:var(--cream);padding:3px 11px;border-radius:999px;font-weight:700;letter-spacing:.1em}
.rb-kick.is-out b{background:var(--amber);color:var(--deep)}
.rb-flow{margin:34px 0 0}
.rb-flow-top{max-width:820px;margin:0 0 6px}
.rb-lead{font-size:16.5px;color:var(--ink2)}
.rb-sec{display:grid;grid-template-columns:250px minmax(0,1fr);gap:34px;padding:32px 0;border-top:1px solid var(--line);scroll-margin-top:10px}
.rb-gut{position:sticky;top:14px;align-self:start;display:grid;gap:12px;justify-items:start}
.rb-gut-n{display:flex;align-items:baseline;gap:9px;margin:0}
.rb-gut-n b{font:900 30px/1 var(--mono);color:var(--l1)}
.rb-sec.is-rim .rb-gut-n b,.rb-sec.is-exit .rb-gut-n b{font:800 14px/1 var(--sans);background:var(--deep);color:var(--cream);padding:6px 10px;border-radius:999px}
.rb-gut-n span{font:700 12px/1 var(--mono);letter-spacing:.14em;color:var(--mute)}
.rb-gut-tz{position:relative;display:block;justify-self:stretch;height:22px}
.rb-gut-tz::before{content:"";position:absolute;left:50%;top:0;bottom:0;width:var(--w,100%);transform:translateX(-50%);background:linear-gradient(180deg,var(--c),var(--c2));clip-path:polygon(0 0,100% 0,92% 100%,8% 100%);box-shadow:inset 0 -3px 0 rgba(0,0,0,.08)}
.rb-sec.is-rim .rb-gut-tz::before{width:100%;clip-path:none;border-radius:50%;background:radial-gradient(ellipse at 50% 30%,#fbf4e6 0%,#e0d0b0 60%,#c3ae88 100%)}
.rb-sec.is-exit .rb-gut-tz::before{width:38%;clip-path:none;border-radius:2px 2px 10px 10px;background:linear-gradient(180deg,var(--deep2),var(--deep))}
.rb-gut-drop{margin:0;font-size:13.5px;line-height:1.6;color:var(--drop);background:var(--drop-bg);border-radius:12px;padding:9px 12px}
.rb-gut-drop i{display:block;font:700 10.5px/1 var(--mono);font-style:normal;letter-spacing:.18em;margin-bottom:5px;color:#c0645b}
.rb-art svg,.rb-artfig svg{display:block;width:100%;max-width:230px;height:auto;filter:drop-shadow(0 14px 16px rgba(16,33,30,.2))}
.rb-up{display:inline-flex;align-items:center;min-height:44px;font-size:13px;color:var(--mute);text-decoration:none}
.rb-up:hover{color:var(--l1)}
.rb-sc{min-width:0;max-width:760px}
.rb-sc h2{font-size:clamp(21px,2.3vw,27px);line-height:1.38;margin:0 0 14px;font-weight:900}

/* 正文 */
.rb-body>:first-child{margin-top:0}
.rb-body p{margin:0 0 15px}
.rb-body h3{font-size:18.5px;line-height:1.45;margin:26px 0 9px;font-weight:800;padding-left:12px;border-left:4px solid var(--l4)}
.rb-body h4{font-size:16px;margin:18px 0 6px}
.rb-body ul,.rb-body ol{margin:0 0 16px;padding-left:1.4em}
.rb-body li{margin:0 0 6px}
.rb-body li::marker{color:var(--l3);font-weight:700}
.rb-body strong{font-weight:800;background:linear-gradient(180deg,transparent 62%,rgba(233,162,59,.32) 0)}
.rb-body code{font:14px var(--mono);background:#ece6da;padding:1px 6px;border-radius:5px}
.rb-body blockquote{margin:0 0 16px;padding:10px 16px;border-left:4px solid var(--line2);background:#f7f3ea;color:var(--ink2)}
.rb-body hr{border:0;border-top:1px dashed var(--line2);margin:24px 0}
.rb-note{display:grid;grid-template-columns:auto minmax(0,1fr);gap:12px;margin:18px 0;padding:13px 15px;border-radius:14px;background:#eef6f3;border:1px solid #cfe6de}
.rb-note-k{font:800 12px/1 var(--mono);letter-spacing:.1em;padding:5px 9px;border-radius:999px;background:var(--l3);color:#fff;align-self:start;white-space:nowrap}
.rb-note-t{display:block;margin:0 0 4px}
.rb-note .rb-body p:last-child{margin-bottom:0}
.rb-note.is-warn{background:#fdf4e4;border-color:#f1dcb4}.rb-note.is-warn .rb-note-k{background:var(--amber);color:var(--deep)}
.rb-note.is-stop{background:var(--drop-bg);border-color:#f2c9c3}.rb-note.is-stop .rb-note-k{background:var(--drop)}
.rb-note.is-ok{background:#eef4fb;border-color:#cddcef}.rb-note.is-ok .rb-note-k{background:#2f64a8}
.rb-state{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);margin:18px 0;border-radius:16px;overflow:hidden;border:1px solid var(--line)}
.rb-state-say{background:var(--deep);color:#eef3f0;padding:14px 16px}
.rb-state-say p{margin:6px 0 0;font-weight:700}
.rb-state-do{background:var(--paper);padding:14px 16px}
.rb-state-do .rb-body p:last-child{margin-bottom:0}
.rb-state-k{font:700 11px/1 var(--mono);letter-spacing:.16em;color:var(--amber)}
.rb-state-do .rb-state-k{color:var(--l2)}
.rb-state-cost{display:inline-block;margin-top:8px;font:12px/1.4 var(--mono);color:var(--cream);border:1px solid rgba(244,230,200,.4);border-radius:999px;padding:2px 9px}
.rb-basis{display:grid;grid-template-columns:auto minmax(0,1fr);gap:12px;margin:22px 0;padding:13px 15px;border-radius:14px;background:#f6f1e6;border:1px dashed var(--line2);font-size:14.5px;color:var(--ink2)}
.rb-basis-k{font:800 12px/1 var(--mono);letter-spacing:.1em;padding:5px 9px;border-radius:999px;background:var(--ink2);color:#fff;align-self:start}
.rb-basis .rb-body p:last-child{margin-bottom:0}
.rb-pang{display:grid;grid-template-columns:auto minmax(0,1fr);gap:12px;margin:18px 0;padding:2px 0 2px 14px;border-left:4px solid var(--amber);color:var(--ink2);font-size:15px}
.rb-pang-k{font:800 12px/1.6 var(--mono);color:var(--amber-d);letter-spacing:.1em}
.rb-pang .rb-body p:last-child{margin-bottom:0}
.rb-tbl{margin:18px 0;overflow-x:auto;border-radius:14px;border:1px solid var(--line);background:var(--paper)}
.rb-tbl table{width:100%;border-collapse:collapse;font-size:14.5px}
.rb-tbl th{background:var(--deep);color:var(--cream);text-align:left;font-weight:700;padding:10px 12px}
.rb-tbl td{padding:10px 12px;border-top:1px solid var(--line);vertical-align:top}
.rb-tbl tr:nth-child(even) td{background:#faf6ee}
.rb-shot,.rb-figure,.rb-artfig,.rb-cover{margin:20px 0}
.rb-shot-box{border-radius:14px;overflow:hidden;border:1px solid var(--line);background:#fff}
.rb-shot-bar{display:flex;align-items:center;gap:5px;padding:7px 10px;background:#ece6da}
.rb-shot-bar i{width:8px;height:8px;border-radius:50%;background:#cfc6b4}
.rb-shot-bar em{margin-left:8px;font:12px var(--mono);color:var(--mute);font-style:normal}
.rb-shot img,.rb-figure img,.rb-cover img{display:block;width:100%;height:auto}
.rb-shot.is-phone .rb-shot-box{max-width:300px;border:10px solid var(--deep);border-radius:28px}
.rb-cover img{border-radius:18px;border:1px solid var(--line)}
.rb-artfig{display:grid;justify-items:center}
figcaption{margin-top:8px;font-size:13px;color:var(--mute);text-align:center}
.rb-duo{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start}
.rb-duo>*{margin:0}

/* 走一遍 */
.rb-walk{margin:40px 0 0;padding:28px 28px 26px;background:var(--paper);border:1px solid var(--line);border-radius:24px}
.rb-walk-top h2{margin:0 0 6px;font-size:clamp(21px,2.3vw,27px);line-height:1.38;font-weight:900}
.rb-walk-lead{margin:0;color:var(--ink2)}
.rb-walk-steps{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:7px}
.rb-ws{display:grid;grid-template-columns:42px minmax(0,1fr) auto;gap:12px;align-items:center;width:var(--w,100%);margin:0 auto;padding:10px 12px;border-radius:14px;background:linear-gradient(90deg,var(--c) 0 6px,#fff 6px);border:1px solid var(--line)}
.rb-ws-n{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--c);color:var(--tc);font:900 15px/1 var(--mono)}
.rb-ws-t{display:block;font-size:15.5px;line-height:1.4}
.rb-ws-c p{margin:2px 0 0;font-size:14px;color:var(--ink2);line-height:1.6}
.rb-ws-go{display:inline-flex;align-items:center;min-height:44px;padding:0 6px;font-size:13px;color:var(--l1);white-space:nowrap}

/* 漏斗之外 */
.rb-outside{position:relative;margin:40px 0 0;padding:30px 28px 28px;background:radial-gradient(120% 120% at 100% 0%,#1d3d38 0%,var(--deep) 60%);color:#e9f0ed;border-radius:26px;overflow:hidden}
.rb-outside::before{content:"";position:absolute;right:28px;top:-30px;width:150px;height:120px;background:linear-gradient(180deg,rgba(233,162,59,.22),rgba(233,162,59,0));clip-path:polygon(0 0,100% 0,72% 100%,28% 100%)}
.rb-outside-top{position:relative}
.rb-outside .rb-kick{color:#a9bcb5}
.rb-outside h2{margin:0 0 16px;font-size:clamp(21px,2.3vw,27px);line-height:1.38;color:#fff;font-weight:900}
.rb-qas{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:10px}
.rb-qa{position:relative;padding:15px 16px 15px 52px;border-radius:16px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12)}
.rb-qn{position:absolute;left:15px;top:17px;font:800 13px/1 var(--mono);color:var(--amber)}
.rb-q{margin:0 0 6px;font-size:16px;line-height:1.5;color:#fff}
.rb-a{margin:0;font-size:14.5px;line-height:1.75;color:#d2dfda}

/* 列表 / 层表 */
.rb-sec-top{margin:0 0 12px}
.rb-sec-top h2{margin:0;font-size:22px;line-height:1.4}
.rb-latest,.rb-related{margin:40px 0 0}
.rb-index{margin:30px 0 0}
.rb-entries{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.rb-entry{position:relative;display:grid;grid-template-columns:88px minmax(0,1fr);gap:16px;padding:14px;border-radius:18px;background:var(--paper);border:1px solid var(--line)}
.rb-entry-no{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;min-height:72px;padding:6px;color:#fff;background:linear-gradient(180deg,var(--l2),var(--l1));clip-path:polygon(0 0,100% 0,86% 100%,14% 100%)}
.rb-entry-no b{font:900 22px/1 var(--mono)}
.rb-entry-no small{font-size:11.5px;opacity:.88}
.rb-entry-t{margin:0 0 4px;font-size:17px;line-height:1.45}
.rb-entry-t a{color:var(--ink);text-decoration:none}
.rb-entry-t a:hover{color:var(--l1);text-decoration:underline}
.rb-entry-t a::after{content:"";position:absolute;inset:0;border-radius:18px}
.rb-entry:hover{border-color:var(--l4)}
.rb-entry-c p{margin:0;font-size:14.5px;color:var(--ink2);line-height:1.7}
.rb-chips{list-style:none;margin:9px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.rb-chips li{font-size:12px;line-height:1.5;padding:2px 10px 2px 7px;border-radius:999px;background:var(--c);color:var(--tc)}
.rb-chips i{font-style:normal;margin-right:4px}
.rb-entry-d{margin:7px 0 0!important;font:12px/1.4 var(--mono)!important;color:var(--mute)!important}
.rb-entries.is-terms .rb-entry-no{background:linear-gradient(180deg,var(--l4),var(--l3))}
.rb-all{margin:12px 0 0}
.rb-all a{display:inline-flex;align-items:center;min-height:44px;font-weight:700}
.rb-pager{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:18px 0 0;padding:10px;border-radius:16px;background:var(--paper);border:1px solid var(--line)}
.rb-pg{display:inline-flex;align-items:center;min-height:44px;padding:0 16px;border-radius:12px;background:var(--deep);color:var(--cream);text-decoration:none;font-weight:700}
.rb-pg.is-off{background:#e6e0d4;color:#a19c90}
.rb-pg-at{font:13px var(--mono);color:var(--mute)}
.rb-tags{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:34px 0 0;padding:14px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.rb-tags-h{font:700 12px/1 var(--mono);letter-spacing:.12em;color:var(--mute);margin-right:4px}
.rb-tags a{display:inline-flex;align-items:center;min-height:44px;padding:0 14px;border-radius:999px;background:var(--l7);color:var(--l1);text-decoration:none;font-weight:700;font-size:14px}
.rb-tag-plain{display:inline-flex;align-items:center;min-height:32px;padding:0 12px;border-radius:999px;border:1px dashed var(--line2);color:var(--mute);font-size:13.5px}
.rb-author{margin:40px 0 0;padding:18px 20px;border-radius:18px;background:#ebe5d8;font-size:14.5px;color:var(--ink2)}
.rb-author p{margin:0 0 8px}
.rb-author-n{display:flex;align-items:baseline;gap:10px}
.rb-author-n b{font-size:16px;color:var(--ink)}
.rb-author-n span{font:12px var(--mono);color:var(--mute)}
.rb-author-l{display:flex;flex-wrap:wrap;gap:4px 16px;margin:0!important}
.rb-author-l a{display:inline-flex;align-items:center;min-height:44px}

/* 页脚 */
.rb-foot{margin-top:40px;background:var(--deep);color:#c9d6d1}
.rb-foot-in{max-width:var(--wrap);margin:0 auto;padding:34px 24px 24px;display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:20px 40px}
.rb-foot .rb-logo{color:#fff}
.rb-foot-id p{margin:12px 0 0;font-size:13.5px;line-height:1.8}
.rb-foot-id a{color:var(--cream)}
.rb-foot-risk{color:#97aaa3}
.rb-foot-links{display:flex;flex-wrap:wrap;align-content:flex-start;gap:2px 6px}
.rb-foot-links a{display:inline-flex;align-items:center;min-height:44px;padding:0 10px;color:#e3ebe8;text-decoration:none;font-size:14px;border-radius:8px}
.rb-foot-links a:hover{background:rgba(255,255,255,.07)}
.rb-foot-c{grid-column:1/-1;margin:0;padding-top:14px;border-top:1px solid rgba(255,255,255,.1);font:12.5px var(--mono);color:#8ea29b}
.rb-foot-c a{display:inline-flex;align-items:center;min-height:44px;color:#c9d6d1}

/* 列表 / 站务 / 404 的漏斗 */
.rb-stage.is-list .rb-tz b,.rb-stage.is-plain .rb-tz b{font-size:14.5px}
.rb-stage.is-404 .rb-row:last-child .rb-tz{background:repeating-linear-gradient(135deg,#e9c9c3 0 10px,#f3dcd7 10px 20px);--tc:#7a1a12}

@media (max-width:980px){
 .rb-stage.has-kit{grid-template-columns:minmax(0,1fr) 270px}
 .rb-row{grid-template-columns:minmax(0,1fr) 160px;gap:14px}
 .rb-sec{grid-template-columns:200px minmax(0,1fr);gap:24px}
 .rb-qas{grid-template-columns:1fr}
}
@media (max-width:820px){
 .rb-stage.has-kit{grid-template-columns:1fr}
 .rb-kitcol{position:static}
 .rb-sec{grid-template-columns:1fr;gap:14px;padding:26px 0}
 .rb-gut{position:static;grid-template-columns:auto 1fr;align-items:center;column-gap:14px}
 .rb-gut-n{grid-column:1}
 .rb-gut-tz{grid-column:2}
 .rb-gut-drop,.rb-art,.rb-up{grid-column:1/-1}
 .rb-art svg{max-width:200px}
 .rb-up{display:none}
 .rb-foot-in{grid-template-columns:1fr}
}
@media (max-width:640px){
 body{font-size:15.5px}
 .rb-top-in{padding:0 12px;min-height:52px;gap:8px}
 .rb-logo{font-size:15px;letter-spacing:.14em}
 .rb-nav{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;gap:0}
 .rb-nav a{padding:0 8px;font-size:13.5px;white-space:nowrap}
 .rb-doc{padding:0 14px 30px}
 .rb-hero{padding:14px 0 2px}
 .rb-hero h1{font-size:21px;line-height:1.36;margin-bottom:6px}
 .rb-eye{margin-bottom:6px;font-size:11.5px}
 .rb-is-home .rb-dek{display:none}
 .rb-dek{font-size:14.5px}
 .rb-stage{margin-top:10px;gap:16px}
 .rb-row{grid-template-columns:1fr;gap:2px}
 .rb-layers{gap:4px}
 .rb-tz{width:calc(48% + var(--w,100%) * .5);min-height:52px;padding:7px 9%}
 .rb-tz em{font-size:14px}
 .rb-tz b{font-size:13.5px}
 .rb-tz span{font-size:11px}
 .rb-rim{min-height:44px;padding:6px 12%}
 .rb-rim b{font-size:13.5px}
 .rb-rim span{display:none}
 .rb-side{justify-self:center;max-width:300px;text-align:center;border-left:0;border-top:2px solid var(--line2);padding:3px 2px 2px;margin-bottom:3px;font-size:12px;line-height:1.45}
 .rb-side i{display:none}
 .rb-side.is-drop{border-top-color:var(--drop)}
 .rb-side.is-drop::before,.rb-side.is-drop::after{display:none}
 .rb-spout{width:62%}
 /* 手机：漏斗先出；码卡缩成底部固定条（码 + 复制 + 按钮 + 一行披露）*/
 .rb-kitcol .rb-kit{position:fixed;left:0;right:0;bottom:0;top:auto;z-index:60;display:grid;grid-template-columns:auto minmax(0,1fr);grid-template-areas:"code go" "mini mini";gap:5px 10px;align-items:center;border-radius:16px 16px 0 0;padding:9px 12px calc(9px + env(safe-area-inset-bottom));box-shadow:0 -14px 30px -12px rgba(0,0,0,.5)}
 .rb-kitcol .rb-kit::before{display:none}
 .rb-kit-lab,.rb-kit-k,.rb-kit-gain,.rb-kit-note,.rb-kit-hint,.rb-kit-star{display:none}
 .rb-kit-code{grid-area:code;margin:0;gap:6px;flex-wrap:nowrap}
 .rb-kit-code code{font-size:20px}
 .rb-copy{min-height:40px;padding:0 11px;font-size:12px}
 .rb-go{grid-area:go;min-height:44px;font-size:14px;box-shadow:0 3px 0 var(--amber-d)}
 .rb-kit-mini{display:block;grid-area:mini;font-size:11px;line-height:1.3;color:#cfdcd7;text-align:center}
 .rb-kit.is-bare{grid-template-areas:"code" "mini";grid-template-columns:1fr}
 body:has(.rb-kitcol .rb-kit){padding-bottom:104px}
 .rb-sec h2,.rb-sc h2{font-size:20px}
 .rb-gut-n b{font-size:24px}
 .rb-walk{padding:20px 16px;border-radius:20px}
 .rb-ws{width:100%;grid-template-columns:36px minmax(0,1fr);}
 .rb-ws-go{grid-column:2;justify-self:start;min-height:44px;padding:0}
 .rb-outside{padding:22px 14px 16px;border-radius:20px}
 .rb-qa{padding:13px 13px 13px 44px}
 .rb-qn{left:13px}
 .rb-state{grid-template-columns:1fr}
 .rb-duo{grid-template-columns:1fr}
 .rb-entry{grid-template-columns:64px minmax(0,1fr);gap:12px;padding:12px}
 .rb-entry-no{min-height:60px}
 .rb-entry-no b{font-size:18px}
 .rb-tbl[data-cols="3"],.rb-tbl[data-cols="4"],.rb-tbl[data-cols="5"]{border:0;background:none}
 .rb-tbl[data-cols="3"] thead,.rb-tbl[data-cols="4"] thead,.rb-tbl[data-cols="5"] thead{display:none}
 .rb-tbl[data-cols="3"] tr,.rb-tbl[data-cols="4"] tr,.rb-tbl[data-cols="5"] tr{display:block;margin:0 0 10px;border:1px solid var(--line);border-radius:14px;background:var(--paper);overflow:hidden}
 .rb-tbl[data-cols="3"] td,.rb-tbl[data-cols="4"] td,.rb-tbl[data-cols="5"] td{display:block;border:0;background:none!important;padding:8px 12px}
 .rb-tbl[data-cols="3"] td::before,.rb-tbl[data-cols="4"] td::before,.rb-tbl[data-cols="5"] td::before{content:attr(data-th);display:block;font:700 11px/1.4 var(--mono);letter-spacing:.1em;color:var(--mute)}
 .rb-tbl[data-cols="3"] td:first-child,.rb-tbl[data-cols="4"] td:first-child,.rb-tbl[data-cols="5"] td:first-child{background:var(--deep)!important;color:var(--cream);font-weight:700}
 .rb-tbl[data-cols="3"] td:first-child::before,.rb-tbl[data-cols="4"] td:first-child::before,.rb-tbl[data-cols="5"] td:first-child::before{color:var(--amber)}
 .rb-pager{padding:8px}
 .rb-pg{padding:0 12px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.rb-tz,.rb-go{transition:none}}
@media print{.rb-top,.rb-foot,.rb-kitcol,.rb-up{display:none}.rb-sec{grid-template-columns:1fr}}