/* ======================================================================
 * 25 · 声卡怎么选 —— 「机架调音台」
 * 视觉：19 英寸机架面板、耳位螺丝、琥珀 LED、VU 电平条、
 *       七段式 LCD 数字读数；与前面所有页面的构图与配色均不同。
 * ====================================================================== */

.dg3.aig {
    --bg: #efece5;
    --bg2: #e2ddd2;
    --card: #fbf9f3;
    --card2: #f0ece2;
    --ink: #26231d;
    --ink2: #4d473b;
    --muted: #7e7666;
    --line: #cbc3b1;
    --line2: #e0d9c9;
    --accent: #a85c12;
    --accent-ink: #ffffff;
    --accent-soft: #f6e6cd;
    --accent2: #2f6b78;
    --accent2-soft: #dcecef;
    --ok: #3f7443;
    --ok-bg: #e2efdf;
    --warn: #9a6207;
    --warn-bg: #fbf0d9;
    --bad: #a83b2b;
    --bad-bg: #f7e2dc;
    --shadow: 0 5px 20px rgba(62, 50, 30, .14);
    --radius: 3px;
    --radius-sm: 2px;
    --font-mono: "JetBrains Mono", "Cascadia Code", Consolas, "Courier New", monospace;
    --head-weight: 800;
    --aig-lcd: #14231d;
    --aig-led: #e8a33c;

    background:
        repeating-linear-gradient(90deg, transparent 0 56px, rgba(90, 74, 48, .035) 56px 57px),
        var(--bg);
    border-top: 5px solid #3b3630;
}
:root[data-theme="dark"] .dg3.aig {
    --bg: #161512;
    --bg2: #1f1d19;
    --card: #20201c;
    --card2: #292821;
    --ink: #efe9dc;
    --ink2: #c9c0ad;
    --muted: #948a76;
    --line: #454035;
    --line2: #332f27;
    --accent: #e8a33c;
    --accent-ink: #241703;
    --accent-soft: #3a2c16;
    --accent2: #65bdc9;
    --accent2-soft: #1b373b;
    --ok: #83c788;
    --ok-bg: #213624;
    --warn: #dcb055;
    --warn-bg: #372c18;
    --bad: #e08373;
    --bad-bg: #3a231c;
    --shadow: 0 5px 24px rgba(0, 0, 0, .5);
    --aig-lcd: #0b1712;
    --aig-led: #ffba4d;
    background:
        repeating-linear-gradient(90deg, transparent 0 56px, rgba(232, 163, 60, .035) 56px 57px),
        var(--bg);
}

/* ---------- 机架 ---------- */
.aig-rack {
    position: relative; margin: 24px 0 24px; padding: 0 20px;
    background: linear-gradient(180deg, var(--card2), var(--card));
    border: 2px solid var(--line); border-radius: var(--radius);
    box-shadow: var(--shadow), inset 0 2px 0 rgba(255, 255, 255, .4);
}
.aig-rack-ear {
    position: absolute; top: 0; bottom: 0; width: 18px;
    display: flex; flex-direction: column; justify-content: space-around; align-items: center;
    background: linear-gradient(90deg, rgba(0, 0, 0, .07), transparent);
}
.aig-rack-ear--l { left: 0; border-right: 1px solid var(--line); }
.aig-rack-ear--r { right: 0; border-left: 1px solid var(--line); background: linear-gradient(270deg, rgba(0, 0, 0, .07), transparent); }
.aig-rack-ear i {
    width: 7px; height: 7px; border-radius: 50%;
    background: radial-gradient(circle at 35% 30%, #b9b1a1, #6e6759);
    box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .25);
}
.aig-rack-top {
    display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(190px, .75fr) minmax(160px, .6fr);
    gap: 0; border-bottom: 2px solid var(--line);
}
.aig-unit { padding: 22px 20px; min-width: 0; }
.aig-unit + .aig-unit { border-left: 1px solid var(--line); }
.aig-unit--head {
    background: linear-gradient(120deg, #322d26, #4a4135);
    color: #f7f1e3;
    border-radius: 2px 0 0 0;
}
:root[data-theme="dark"] .aig-unit--head { background: linear-gradient(120deg, #16140f, #262218); }
.aig-kicker { font: 700 10.5px var(--font-mono); letter-spacing: .2em; color: var(--aig-led); margin: 0 0 9px; }
.aig-unit--head h1 { color: #fff8e6; font-size: clamp(27px, 3.3vw, 37px); margin-bottom: 9px; }
.aig-lede { font-size: 14px; line-height: 1.85; color: #e2d8c4; margin: 0; }
.aig-lede b { color: var(--aig-led); border-bottom: 1px dotted rgba(232, 163, 60, .7); }
.aig-unit-label {
    font: 700 10px var(--font-mono); letter-spacing: .16em; color: var(--muted); margin: 0 0 12px;
    display: flex; align-items: center; gap: 6px;
}
.aig-unit-label::before {
    content: ""; width: 6px; height: 6px; border-radius: 50%;
    background: var(--aig-led); box-shadow: 0 0 7px var(--aig-led);
}
.aig-vu { display: grid; gap: 9px; }
.aig-vu-row { display: grid; grid-template-columns: 34px minmax(0, 1fr) 26px; gap: 7px; align-items: center; font: 600 10px var(--font-mono); color: var(--muted); }
.aig-vu-track {
    height: 9px; background: repeating-linear-gradient(90deg, var(--line2) 0 5px, transparent 5px 7px);
    border: 1px solid var(--line); border-radius: 1px; overflow: hidden;
}
.aig-vu-track i {
    display: block; height: 100%;
    background: linear-gradient(90deg, var(--accent2) 0 62%, var(--accent) 82%, var(--bad) 100%);
}
.aig-vu-row b { text-align: right; color: var(--ink2); font-weight: 700; }
.aig-unit-note { font-size: 11px; color: var(--muted); margin: 10px 0 0; line-height: 1.6; }
.aig-lcd {
    background: var(--aig-lcd); color: var(--aig-led);
    font: 800 clamp(26px, 3vw, 38px) var(--font-mono); letter-spacing: .04em;
    text-align: right; padding: 10px 12px; border-radius: 3px;
    border: 2px inset rgba(255, 255, 255, .12);
    text-shadow: 0 0 12px rgba(232, 163, 60, .55);
}
.aig-lcd small { font-size: 13px; margin-left: 4px; opacity: .8; }

/* ---------- 通道条表单 ---------- */
.aig-strips { padding: 18px 4px 20px; }
.aig-strip-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px 14px; }
.aig .dg3-field > label { font-size: 12.3px; font-weight: 700; }
.aig .dg3-field .tip { font-size: 11.2px; }
.aig input, .aig select, .aig textarea { background: var(--card); border-radius: 2px; }
.aig-knobs {
    display: flex; flex-wrap: wrap; gap: 16px; margin-top: 14px;
    padding: 11px 12px; border: 1px solid var(--line);
    background: var(--card2); border-radius: 2px;
}
.aig-knobs .checkline { font-size: 13px; }
.aig .dg3-btn--main { background: var(--accent); border-color: var(--accent); }
.aig .dg3-btn { border-radius: 2px; }

/* ---------- 结果 ---------- */
.aig .dg3-kv > div { border-left: 3px solid var(--accent); background: var(--card2); }
.aig .dg3-kv dd { color: var(--accent); font-size: 17px; }
.aig .dg3-table th { background: var(--accent-soft); color: var(--accent); }
:root[data-theme="dark"] .aig .dg3-table th { color: var(--accent2); }
.aig-bw-bar { height: 12px; border-radius: 2px; background: var(--line2); overflow: hidden; margin: 8px 0; }
.aig-bw-bar > i { display: block; height: 100%; background: linear-gradient(90deg, var(--accent2), var(--accent)); }
.aig-bw-bar.is-bad > i { background: var(--bad); }
.aig #aigChecks { display: grid; gap: 8px; }
.aig #aigChecks .dg3-note { font-size: 13.2px; }
.aig-steps { margin: 10px 0 0; padding-left: 22px; }
.aig-steps li { font-size: 13.7px; line-height: 1.85; color: var(--ink2); margin-bottom: 7px; }
.aig-steps li b { color: var(--accent); }
.aig #aigEscape { margin-top: 12px; }
.aig .aig-batch-ok { color: var(--ok); font-weight: 700; }
.aig .aig-batch-bad { color: var(--bad); font-weight: 700; }

@media (max-width: 940px) {
    .aig-rack-top { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
    .aig-unit--head { grid-column: 1 / -1; border-radius: 2px 2px 0 0; }
    .aig-unit--meter + .aig-unit--lcd { border-left: 1px solid var(--line); }
    .aig-strip-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 620px) {
    .aig-rack { padding: 0 12px; }
    .aig-unit { padding: 17px 12px; }
    .aig-rack-top { grid-template-columns: minmax(0, 1fr); }
    .aig-unit + .aig-unit { border-left: 0; border-top: 1px solid var(--line); }
    .aig-strip-grid { grid-template-columns: minmax(0, 1fr); }
}