/**
* 44m 样式
092db7
*/
/* ====================================================================
   V44m - 对话AI · 样式
   ==================================================================== */

/* ==================== 主题变量 ==================== */
:root {
    --fs-hero: 30px;
    --fs-nav: 33px;
    --fs-s1t: 75px;
    --fs-s1tc: 30px;
    --fs-s1pc: 20px;
    --fs-s1m: 30px;
    --fs-s2p: 30px;
    --fs-ft: 16px;
    --fs-lt: 75px;
    --fs-lct: 30px;
    --fs-lm: 1.71vw;
    --fs-l-more: 50px;
    --fs-dp: 25px;
    --fs-dt1: 50px;

    --c-text: #FFFFFF;
    --text: #FFFFFF;
    --c-bd: #1de9ff;
    --c-bd-g: rgba(0, 255, 255, 0.8);
    --c-nav: #ff802c;
    --c-glow: 0 0 18px rgba(29, 233, 255, .6);
    --c-footer-bg: #02080e;
    --c-accent: #1de9ff;
    --c-surface: rgba(8, 38, 60, .85);
    --c-bg-1: #0a2a3d;
    --c-bgcolor: #092db7;

    --fs-norm: 16px;
    --fs-list-title: 20px;

    --bg-page: #092db7;
    --bg-i-card: #485dc0;
    --bg-lcard: rgba(255, 255, 255, .08);
    --w: 1590px;
    --bd-nav: 2px;
    --w-s1-bd: 5px;
    --w-s1-bds: 7px;
    --w-s1-bdr: 20px;
    --w-s1-r: 30px;
    --w-s1-rc: 12px;
    --w-s1-tr: 60px;
    --w-s1-ctr: 30px;
    --w-s1-bdc: 2px;
    --w-bd: 2px;
    --w-bds: 7px;
    --bd-c: #1de9ff;
    --r-card: 14px;

    --tr: 0.2s ease-in-out;
}

@media screen and (max-width: 1600px) {

    /*0.7547*/
    :root {
        --fs-hero: 22px;
        --fs-nav: 25px;
        --fs-s1t: 56px;
        --fs-s1tc: 22px;
        --fs-s1pc: 15px;
        --fs-s1m: 22px;
        --fs-s2p: 22px;
        --fs-ft: 12px;
        --fs-lt: 56px;
        --fs-lct: 22px;
        --fs-l-more: 38px;
        --fs-dp: 19px;
        --fs-dt1: 38px;

        --w: 1200px;
        --w-s1-bd: 4px;
        --w-s1-bds: 5px;
        --w-s1-bdr: 15px;
        --w-s1-r: 22px;
        --w-s1-rc: 10px;
        --w-s1-tr: 45px;
        --w-s1-ctr: 22px;
        --w-s1-bdc: 2px;
    }
}

@media screen and (max-width: 1280px) {

    /*0.6163*/
    :root {
        --fs-hero: 18px;
        --fs-nav: 20px;
        --fs-s1t: 46px;
        --fs-s1tc: 18px;
        --fs-s1pc: 12px;
        --fs-s1m: 18px;
        --fs-s2p: 18px;
        --fs-ft: 9px;
        --fs-lt: 46px;
        --fs-lct: 18px;
        --fs-l-more: 30px;
        --fs-dp: 15px;
        --fs-dt1: 30px;

        --w: 980px;
        --w-s1-bd: 3px;
        --w-s1-bds: 4px;
        --w-s1-bdr: 12px;
        --w-s1-r: 18px;
        --w-s1-rc: 8px;
        --w-s1-tr: 36px;
        --w-s1-ctr: 18px;
        --w-s1-bdc: 2px;
    }
}

@media screen and (max-width: 1024px) {

    /*0.4528*/
    :root {
        --fs-hero: 14px;
        --fs-nav: 15px;
        --fs-s1t: 34px;
        --fs-s1tc: 14px;
        --fs-s1pc: 9px;
        --fs-s1m: 14px;
        --fs-s2p: 14px;
        --fs-ft: 7px;
        --fs-lt: 34px;
        --fs-lct: 14px;
        --fs-l-more: 22px;
        --fs-dp: 12px;
        --fs-dt1: 22px;

        --w: 720px;
        --w-s1-bd: 2px;
        --w-s1-bds: 3px;
        --w-s1-bdr: 9px;
        --w-s1-r: 14px;
        --w-s1-rc: 6px;
        --w-s1-tr: 27px;
        --w-s1-ctr: 14px;
        --w-s1-bdc: 2px;
    }
}

@media screen and (max-width: 768px) {
    :root {
        --fs-hero: 2.13vw;
        --fs-nav: 3.9vw;
        /*75px*/
        --fs-s1t: 5.2vw;
        /*100px*/
        --fs-s1tc: 3.43vw;
        /*66px*/
        --fs-s1pc: 1.71vw;
        /*33px*/
        --fs-s1m: 3.9vw;
        --fs-s2p: 3.47vw;
        /*66px*/
        --fs-ft: 0.83vw;
        --fs-lt: 5.2vw;
        --fs-lct: 3.9vw;
        --fs-l-more: 2.6vw;
        --fs-dp: 2.34vw; /*45px*/
        --fs-dt1: 3.43vw; /*66px*/

        --w: 82.81%;
        --w-s1-bd: 1px;
        --w-s1-bds: 2px;
        --w-s1-bdr: 8px;
        --w-s1-r: 1.56vw;
        --w-s1-rc: 1vw;
        --w-s1-tr: 2.60vw;
        --w-s1-ctr: 2.08vw;
        --w-s1-bdc: 1px;
    }
}

html,
body {
    font-family: -apple-system, BlinkMacSystemFont, "Microsoft YaHei", "PingFang SC", "Segoe UI", sans-serif;
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    scrollbar-gutter: stable;
    font-size: var(--fs-norm);

}

/* 滚动条美化 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, .05);
}

::-webkit-scrollbar-thumb {
    background: var(--c-bd);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--c-bd);
}

body {
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    padding: 0;
    margin: 0;
}

a {
    text-decoration: none;
    color: inherit;
}

.wh100 {
    width: 100%;
    height: 100%;
}

/* 工具类：flex 行布局（标题 + 装饰线并排） */
.flec {
    display: flex;
    align-items: center;
}

.bg-page-wrap {
    position: absolute;
    inset: 0;
    background-color: var(--bg-page);
    z-index: -1;
    pointer-events: none;
    overflow: hidden;
}

.canvas-bg {
    position: relative;
    width: 100%;
    height: 100%;
}

.container {
    position: relative;
}

.hero {
    width: 100%;
    aspect-ratio: 1920 / 1080;
    background-image: url(./topic-dialog-ai-v1-banner.jpg);
    background-size: 100% 100%;
    background-repeat: no-repeat;
    position: relative;
}

.hero__inner {
    width: 54%;
    min-width: 450px;
    max-width: calc(100% - 2rem);
    height: 100%;
    margin: 0 auto;
    display: flex;
    align-items: end;
    padding-bottom: 10%;
    box-sizing: border-box;
}

.hero__org {
    width: 100%;
    color: var(--c-text);
    font-size: var(--fs-hero);
}

.hero-item {
    width: 100%;
    aspect-ratio: 662 / 45;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(10, 46, 166, 0.8);
    border-radius: 2.4vw;
    margin-top: 1.2%;
}

.hero-item--support {
    aspect-ratio: auto;
    min-height: 1.5em;
    padding: 0.35em 1em;
    box-sizing: border-box;
    display: grid;
    grid-template-columns: max-content max-content;
    align-items: start;
    justify-content: center;
    line-height: 1.35;
    text-align: left;
    white-space: normal;
    overflow-wrap: normal;
}

.hero-item__label,
.hero-item__line {
    white-space: nowrap;
}

.hero-item__line {
    display: block;
}

.nav-wrap {
    width: 100%;
    aspect-ratio: 1920 / 208;
    position: absolute;
    background-image: url(./topic-dialog-ai-v1-bg-nav-full.png);
    background-size: 100% 100%;
    background-repeat: no-repeat;
    transform: translateY(-46.15%);
    z-index: 2;
}

.nav {
    width: var(--w);
    max-width: var(--w);
    margin: 0 auto;
    /*height: 100%;*/
    aspect-ratio: 1590 / 208;
    font-size: var(--fs-nav);
    color: var(--c-text);
}

.nav__inner {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav__item {
    transition: var(--tr);
    position: relative;
}

.nav__item:hover {
    color: #fff;
    text-shadow: 0 0 0.5em var(--c-bd);
    transform: translateY(-2px);
}

/* 桌面导航当前页高亮：橙色文字 + 底部发光下划线 */
.nav__item.is-active {
    color: var(--c-nav);
    font-weight: 700;
    text-shadow: 0 0 10px rgba(255, 166, 107, 0.8);
}

.nav__item.is-active::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: -6px;
    height: 3px;
    border-radius: 2px;
    background: linear-gradient(90deg, transparent, var(--c-nav), transparent);
    box-shadow: 0 0 10px rgba(255, 166, 107, 0.8);
}

.nav-m-wrap {
    display: none;
    width: var(--w);
    max-width: var(--w);
    margin: 0 auto;
    position: sticky;
    top: 23px;
    font-size: var(--fs-nav);
    color: var(--c-text);
    z-index: 9999;
}

.nav-m {
    position: absolute;
    width: 100%;
    padding-top: 7.54%;
}

.nav-m__toggle {
    width: 16.98%;
    aspect-ratio: 270 / 240;
    background-color: transparent;
    border: none;
    padding: 0;
    cursor: pointer;
    background-image: url(./topic-dialog-ai-v1-nav-icon-m.png);
    background-size: 100% 100%;
}

.nav-m__panel {
    width: 38%;
    position: absolute;
    top: calc(100% + 6px);
    left: -3.77%;
    display: flex;
    flex-direction: column;
    border: 1px solid transparent;
    padding: 6px 0;
    transform: translateY(-20px);
    opacity: 0;
    pointer-events: none;
    transition: var(--tr);
    z-index: 199;

}

.nav-m__panel.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

.nav-m__item {
    width: 100%;
    aspect-ratio: 604 / 170;
    display: flex;
    align-items: center;
    justify-content: center;
    container-type: inline-size;
    position: relative;
    margin-bottom: 2.6%;
    transition: var(--tr);
}

.nav-m__item.is-active {
    color: var(--c-nav);
    font-weight: 700;
    text-shadow: 0 0 10px rgba(255, 166, 107, 0.8);
}

.nav-m__item:hover {
    color: var(--c-nav);
}

.nav-m__item:hover::before {
    color: var(--c-nav);
    border-color: rgba(228, 134, 71, 0.952);
    filter: drop-shadow(0 0 4px var(--c)) drop-shadow(0 0 15px rgba(228, 211, 200, 0.8));
}

.nav-m__item::before {
    content: '';
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    --w: var(--bd-nav);
    --c: var(--c-nav);
    border: var(--w) solid var(--c);
    box-sizing: border-box;
    filter: drop-shadow(0 0 4px var(--c)) drop-shadow(0 0 15px rgba(255, 166, 107, 0.8));
}

.nav-m__item::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    --w: 7.5cqw;
    --c: var(--c-nav);
    width: 0;
    height: 0;
    border-top: var(--w) solid var(--c);
    border-left: var(--w) solid transparent;
    filter: drop-shadow(0 0 4px rgba(255, 166, 107, 0.8)) drop-shadow(0 0 15px rgba(255, 166, 107, 0.8));
}

main {
    width: 100%;
    position: relative;
    z-index: 1;
}

main::before {
    content: '';
    display: block;
    position: absolute;
    inset: 0;
    background-image: url(./topic-dialog-ai-v1-bg-bd-lr.png);
    background-position: center top;
    background-size: 100% auto;
    background-repeat: repeat-y;
    z-index: 2;
    pointer-events: none;
}

.sec-1 {
    width: var(--w);
    max-width: var(--w);
    margin: 0 auto;
}

.sec-1::before {
    content: '';
    display: block;
    width: 100%;
    aspect-ratio: 1590 / 240;
}

.sec-1::after {
    content: '';
    display: block;
    width: 100%;
    /*aspect-ratio: 1590 / 280;*/
}

.sec__inner_1 {
    width: 100%;
    aspect-ratio: 1590 / 1802;
    position: relative;
    background-image: url(./topic-dialog-ai-v1-bg-sec-s1.jpg);
    background-position: center top;
    background-size: 100% 100%;
    background-repeat: no-repeat;
}

.sec__inner_1::before {
    content: '';
    display: block;
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    border: var(--w-s1-bd) solid var(--c-bd);
}

.sec__inner_1_bdt {
    width: 100%;
    aspect-ratio: 1590 / 50;
    position: absolute;
    left: 0;
    top: 0;
    background-image: url(./topic-dialog-ai-v1-bd-line-top.png);
    background-size: 100% 100%;
    background-repeat: no-repeat;
    transform: translateY(calc(-100% - var(--w-s1-bds)));
}

.sec__inner_1_bdr {
    width: var(--w-s1-bdr);
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    background-image: url(./topic-dialog-ai-v1-bd-line-r.png);
    background-size: 100% auto;
    background-repeat: repeat-y;
    transform: translateX(calc(100% + var(--w-s1-bds)));
}

.sec__inner_1_bdb {
    width: 100%;
    aspect-ratio: 1590 / 48;
    position: absolute;
    left: 0;
    bottom: 0;
    transform: translateY(calc(100% + var(--w-s1-bds)));
}

.sec__inner_1_bdb::before {
    content: '';
    display: block;
    width: 38.55%;
    aspect-ratio: 613 / 48;
    background-image: url(./topic-dialog-ai-v1-bd-line-bt.png);
    background-size: 100% 100%;
    background-repeat: no-repeat;
}

.sec__inner_1_bdb::after {
    content: '';
    display: block;
    position: absolute;
    top: 0;
    left: 36.5%;
    width: 33.77%;
    aspect-ratio: 537 / 48;
    background-image: url(./topic-dialog-ai-v1-bd-line-bt-2.png);
    background-size: 100% 100%;
    background-repeat: no-repeat;
}

.sec__head_1 {
    width: 100%;
    aspect-ratio: 1590 / 220;
    position: relative;
}

.sec__title_1 {
    width: 100%;
    aspect-ratio: 1590 / 170;
}

.sec__head_1::after {
    content: '';
    position: relative;
    display: block;
    width: 100%;
    aspect-ratio: 1590 / 50;
}

.sec__title_inner_1 {
    width: 93.39%;
    /*1485*/
    margin: 0 auto;
    aspect-ratio: 1485 / 100;
    /*padding-bottom: 4.4%;*/
    box-sizing: border-box;
    display: flex;
    align-items: end;
    justify-content: start;
}

.sec__title_1_text {
    padding-left: 0;
    padding-right: 0.6em;
    font-size: var(--fs-s1t);
    color: var(--c-text);
    line-height: 1.0;
    letter-spacing: 0.1em;
    transform: translateY(5%);
}

.sec__title_1_icon_l,
.sec__title_1_icon_r {
    width: 35.28%;
    aspect-ratio: 524 / 45;
    /*background-image: url(./topic-dialog-ai-v1-bd-line-s1t.png);*/
    background-size: 100% 100%;
    background-repeat: no-repeat;
}

.sec__title_1_icon_l {
    display: none;
}

.sec__title_inner_bdm {
    width: 93.39%;
    /*1485*/
    margin: 0 auto;
    aspect-ratio: 1485 / 70;
    transform: rotateY(180deg);
    position: relative;
    container-type: inline-size;
    display: flex;
    align-items: start;
    padding-top: 0.67%;
    box-sizing: border-box;
}

.zline {
    --radius: var(--w-s1-r);
    --w: calc(3cqw);
    --h: calc(var(--w-s1-bd) * 0.8);
    --x: max(calc(28.3%), 8px);
    --c: var(--c-bd);
    position: relative;
    display: block;
    overflow: visible;
    width: 100%;
    aspect-ratio: 1485 / 45;
}

.sec__title_inner_bdm .zline {
    width: 100%;
    /*height: 100%;*/
}

.block-z-s1 {
    position: relative;
    --c: var(--c-bd);
    --x: 0.8666;
}

.guide__grid_wrap {
    width: 93.39%;
    margin: 0 auto;
    aspect-ratio: 1485 / 1420;
}

.guide__grid {
    position: relative;
    width: 100%;
    height: 100%;
    display: grid;
    grid-row-start: 1;
    grid-column-start: 1;
    grid-row-end: auto;
    grid-column-end: auto;
    grid-template-columns: repeat(3, 1fr);
    column-gap: 5.12%;
    row-gap: 6.83%;
}

.guide__grid_item {
    width: 100%;
    aspect-ratio: 443 / 662;
    overflow: hidden;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.guide__grid_item::before {
    content: '';
    display: block;
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background-color: rgba(255, 255, 255, 0.35);
    border: var(--w-s1-bdc) solid var(--c-bd);
}

.guide__grid__inner {
    width: 89.18%;
    aspect-ratio: 396 / 608;
    position: relative;

    overflow: hidden;
}

.guide__grid__inner .guide__face {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.guide__grid__inner .card__img {
    width: 100%;
    aspect-ratio: 392 / 425;
    border: var(--w-s1-bdc) solid var(--c-bd);
}

.guide__grid__inner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card__body {
    margin-top: 4.08%;
    width: 100%;
    aspect-ratio: 396 / 170;
    display: flex;
    flex-direction: column;
    color: var(--c-text);
}

.card__body .tag {
    width: 100%;
    aspect-ratio: 396 / 32;
    container-type: inline-size;
}

.card__body .zline {
    --radius: var(--w-s1-rc);
    --h: calc(var(--w-s1-bdc) * 1.0);
    --w: 5cqw;
    aspect-ratio: 396 / 20;
}

.guide__grid__inner .card__title {
    font-size: var(--fs-s1tc);
    line-height: 1.0;
    margin-top: 7.5%;
    margin-bottom: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.guide__grid__inner .card__desc {
    font-size: var(--fs-s1pc);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sec__foot_1 {
    width: 93.39%;
    aspect-ratio: 1485 / 30;
    margin: 0 auto;
    margin-top: 4.4%;
    display: flex;
    align-items: end;
}

.sec__foot_line_1 {
    width: 90.64%;
    aspect-ratio: 1346 / 26;
    position: relative;
    transform: rotateY(180deg);
}

.sec__foot_line_1 .block-z-s1 {
    --x: calc(455 / 2330);
}

.sec__foot_more {
    flex: 1;
    height: 100%;
    display: flex;
    align-items: end;
    justify-content: space-between;
    font-size: var(--fs-s1m);
    color: var(--c-text);
    line-height: 1.0;
    padding-left: 0.8em;
    letter-spacing: 0.18em;
    overflow: hidden;
    cursor: pointer;
}

.sec__foot_more .icon {
    display: inline-block;
    width: 1em;
    aspect-ratio: 1 / 1;
}

.bg-arrow-right {
    background-image: url(./topic-dialog-ai-v1-arrow-right-bottom.png);
    background-size: 100% 100%;
    background-repeat: no-repeat;
    background-position: center;
}

.sec-2 {
    /*width: var(--w);
    max-width: var(--w);
    */
    width: 100%;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.sec__inner_2 {
    width: 100%;
    aspect-ratio: 1590 / 1035;
}

.sec__inner_2::before {
    content: '';
    display: block;
    width: var(--w);
    max-width: var(--w);
    margin: 0 auto;
    aspect-ratio: 1590 / 280;
}

.sec__head_2 {
    width: var(--w);
    max-width: var(--w);
    margin: 0 auto;
    aspect-ratio: 1590 / 162;
    position: relative;
    z-index: 2;
}

.sec__body_2 {
    width: var(--w);
    max-width: var(--w);
    margin: 0 auto;
    aspect-ratio: 1590 / 637;
    position: relative;
    z-index: 1;
}

.sec__body_2_mask {
    width: 100%;
    margin: 0 auto;
    pointer-events: none;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 4;
}

.sec__body_2_mask::before {
    content: '';
    display: block;
    width: var(--w);
    max-width: var(--w);
    margin: 0 auto;
    aspect-ratio: 1590 / 442;
}

.sec__body_2_mask_inner {
    width: var(--w);
    max-width: var(--w);
    aspect-ratio: 1590 / 637;
    margin: 0 auto;
    position: relative;
}

.sec__body_2_mask_inner img {
    width: 100%;
    height: auto;
}

.sec__body_2::before {
    content: '';
    display: block;
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    border: var(--w-s1-bd) solid var(--c-bd);
}

.sec__head_2_bdt {
    position: absolute;
    top: 0;
    left: 0;
    width: 103.58%;
    aspect-ratio: 1647 / 45;
    container-type: inline-size;
}

.sec__head_2_bdt .zline {
    --w: 2.20cqw;
    --x: 33%;
    aspect-ratio: 1647 / 45;
}

.sec__title_inner_2 {
    width: 100%;
    aspect-ratio: 1590 / 120;
    position: relative;
    display: flex;
    align-items: end;
}

.sec__title_2_icon_l {
    display: none;
}

.sec__title_2_icon_r {
    position: absolute;
    width: 100%;
    bottom: 0;
    left: 0;
    aspect-ratio: 1590 / 45;
    transform: translateX(32.20%);
}

.sec__title_2_icon_r .block-z-s1 {
    --x: calc(455 / 1590);
}

.sec__title_2_text {
    color: var(--c-text);
    font-size: var(--fs-s1t);
    padding-right: 0.6em;
    line-height: 1.0;
    ;
    letter-spacing: 0.1em;
    transform: translateY(5%);
}

.polygon__mask {
    position: absolute;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 0;
    pointer-events: none;
    container-type: size;
}

.polygon__mask__inner {
    width: var(--w);
    max-width: var(--w);
    margin: 0 auto;
    aspect-ratio: 1590 / 1079;
    container-type: size;
}

.sec__body__inner_2 {
    width: 100%;
    height: 100%;
    position: relative;
    z-index: auto;
    padding: 2.51% 2.39%;
    box-sizing: border-box;

}

.sec__mask_icon1 {
    position: absolute;
    /*1408-942*/
    height: 87.30cqh;
    left: 26.66%;
    right: 0;
    top: 0;
    background-color: rgba(0, 162, 255, 0.27);
    transform: translateY(12.70cqh);
}

.sec__mask_icon1.parallelogram-bl {
    /*718/942 76.22*/
    --cut: 66.54cqh;
}

.sec__mask_icon2 {
    position: absolute;
    /*996-881*/
    height: 81.64cqh;
    left: 48.125%;
    right: 0;
    top: 0;
    background-color: rgba(42, 234, 245, 0.86);
    transform: translateY(18.36cqh);
}

.sec__mask_icon2.parallelogram-bl {
    --cut: 62.22cqh;
}

.sec__mask_icon3 {
    position: absolute;
    right: 0;
    width: 34.37%;
    aspect-ratio: 660 / 50;
    transform: translateY(10.10cqh);
    display: flex;
    align-items: end;
    container-type: size;
}

.sec__mask_icon3_1 {
    width: 48.48%;
    aspect-ratio: 320 / 30;
    background-color: var(--c-bd);
}

.sec__mask_icon3_1.parallelogram {
    --cut: 7%;
}

.sec__mask_icon3_2 {
    width: 50%;
    aspect-ratio: 330 / 50;
    background-color: var(--c-bd);
    margin-left: 3.0%;
}

.sec__mask_icon3_2.parallelogram {
    --cut: 12%;
}

.sec__mask_icon4 {
    position: absolute;
    left: 45%;
    width: 45.59%;
    aspect-ratio: 837 / 48;
    transform: translateY(23.10cqh);
    display: flex;
    align-items: end;
    container-type: size;
}

.sec__mask_icon4_1 {
    width: 49.58%;
    aspect-ratio: 415 / 30;
    background-color: var(--c-bd);
}

.sec__mask_icon4_1.parallelogram {
    --cut: 7%;
}

.sec__mask_icon4_2 {
    width: 49.22%;
    aspect-ratio: 412 / 48;
    background-color: var(--c-bd);
    margin-left: 3.0%;
}

.sec__mask_icon4_2.parallelogram {
    --cut: 12%;
}

.sec__mask_icon5 {
    position: absolute;
    height: 18.53cqh;
    aspect-ratio: 256 / 200;
    left: 34.89%;
    transform: translateY(81.44cqh);
}

.sec__mask_icon5::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    transform: translateY(calc(-50% - var(--w-s1-bdc) * 0.5));
    width: calc(var(--w-s1-r) * 0.8);
    aspect-ratio: 1 / 1;
    border-radius: 50%;
    background-color: var(--c-bd);
}

.sec__mask_icon5 .lline-lt {
    height: 100%;
    --cut: 56.47%;
    --w: var(--w-s1-bdc);
    background-color: var(--c-bd);
}

.sec__mask_icon6 {
    position: absolute;
    height: 7.41cqh;
    aspect-ratio: 980 / 80;
    left: 43.07%;
    transform: translateY(92.59cqh);
}

.sec__mask_icon6 .lline-lt {
    height: 100%;
    --cut: 6.17%;
    --w: var(--w-s1-bdc);
    background-color: var(--c-bd);
}

.sec__mask_icon8 {
    position: absolute;
    width: 37.16%;
    left: 57.81%;
    height: 101.39%;
    aspect-ratio: 723 / 1094;
    transform: translateY(101.39cqh);
    bottom: 0;
    z-index: 3;
    pointer-events: none;
}

.sec__mask_icon7 {
    position: absolute;
    width: 45.47%;
    left: 59.74%;
    aspect-ratio: 723 / 1094;
    bottom: 0;
    z-index: 3;
    pointer-events: none;
}

.sec__body__2_list {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    gap: 1.25%;
    padding: 0;
    margin: 0;
    list-style: none;
}

.sec__body__2_list_m {
    display: none;
}

.sec__list_item {
    width: 100%;
    /*aspect-ratio: 1514 / 79;*/
    flex: 1;
    color: var(--c-text);
    /*background-image: url(./topic-dialog-ai-v1-bg-li.png);*/
    background-size: 100% 100%;
    display: flex;
    align-items: center;
    padding-bottom: 1%;
    box-sizing: border-box;
    padding-left: 1em;
    font-size: var(--fs-s2p);
    position: relative;
    letter-spacing: 0.05em;
    container-type: size;
}

.sec__list_item .title {
    position: relative;
    z-index: 3;
}

.sec__list_item .icon {
    position: relative;
    width: 1em;
    aspect-ratio: 1 / 1;
    transform: rotateY(180deg);
}

.sec__list_item .more {
    display: flex;
    align-items: center;
    gap: 0.4em;
    position: relative;
    z-index: 3;
    cursor: pointer;
    letter-spacing: 0.15em;
}

.sec__list_item::before {
    content: '';
    display: block;
    position: absolute;
    z-index: 0;
    inset: 0;
    --x: 32.61%;
    --x2: 72.96%;
    --w: calc(18.75cqh);
    background-image: linear-gradient(to right, rgba(28, 27, 145, 0.8) 0%, rgba(51, 73, 166, 0.8));
    clip-path: polygon(0% 0%,
            var(--x) 0,
            calc(var(--x) + var(--w)) var(--w),
            100% var(--w),
            100% calc(100% - var(--w)),
            calc(var(--x2) + var(--w)) calc(100% - var(--w)),
            calc(var(--x2)) 100%,
            calc(var(--x) + var(--w)) 100%,
            calc(var(--x)) calc(100% - var(--w)),
            0 calc(100% - var(--w)),
            0% 100%);
}

.sec__foot_2 {
    width: var(--w);
    max-width: var(--w);
    margin: 0 auto;
    aspect-ratio: 1590 / 230;
}

.sec__foot_line_2 {
    width: 100%;
    aspect-ratio: 1590 / 100;
    position: relative;
    display: flex;
    align-items: end;
    justify-content: center;
    container-type: inline-size;
    gap: 1.25%;
    transform: translateX(5.66%);
}

.sec__foot_2icon1 {
    width: 18.86%;
    aspect-ratio: 300 / 30;
    background-color: var(--c-bd);
}

.sec__foot_2icon2 {
    width: 46.28%;
    aspect-ratio: 736 / 48;
    background-color: var(--c-bd);
}

.sec__foot_2icon3 {
    width: 29.68%;
    aspect-ratio: 472 / 75;
    background-color: var(--c-bd);
}

.sec__foot_2icon1.parallelogram {
    --cut: 10%;
}

.sec__foot_2icon2.parallelogram {
    --cut: 6.52%;
}

.sec__foot_2icon3.parallelogram {
    --cut: 15.88%;
}

.sec__head_3 {
    width: 100%;
    position: relative;
    display: flex;
    align-items: end;
    justify-content: space-between;
}

.sec__head_3_bdt {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    transform: translateY(0%);
    container-type: size;
}

.sec__head_3_bdt .zline {
    --x: 38%;
    --w: 2.53cqw;
    aspect-ratio: 1590 / 45;
}

.sec__head_3_bdt .zline::after {
    opacity: 0;
}

.sec__head_inner_3 {
    width: var(--w);
    max-width: var(--w);
    aspect-ratio: 1590 / 160;
    margin: 0 auto;
    position: relative;
    display: flex;
    align-items: end;
    justify-content: space-between;
}

.sec__title_3 {
    text-align: center;
    color: var(--c-text);
    font-size: var(--fs-s1t);
    line-height: 1.0;
    letter-spacing: 0.1em;
    transform: translateY(5%);
}

.sec__title_line-l,
.sec__title_line-r {
    width: 31.44%;
    aspect-ratio: 500 / 45;
}

.sec__title_line-l {
    transform: rotateY(180deg);
}

.sec__head_3 .block-z-s1 {
    height: 100%;
}

.sec__head_3 .block-z-s1::after {
    content: '';
    display: block;
    position: absolute;
    width: 100%;
    height: 50%;
    bottom: 0;
    background-color: var(--c-bd);
    transform: translateX(100%);
}

.sec__body_inner_3 {
    width: var(--w);
    max-width: var(--w);
    margin: 0 auto;
    aspect-ratio: 1590 / 630;
}

.cold {
    width: 100%;
    height: 100%;
    position: relative;
}

.cold__stage {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    transition: transform 1s cubic-bezier(.4, 0, .2, 1);
}

/* 外层：定位 / 3D 变换 / 透明度（纯位置相关，不含外观） */
.cold__card {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 44.34%;
    aspect-ratio: 705 / 420;
    border: var(--w-bd) solid var(--bd-c);
    box-sizing: border-box;
    transform: translate(-50%, -50%) translateX(var(--tx, 0)) translateY(var(--ty, 0)) translateZ(var(--tz, 0)) rotateY(var(--ry, 0deg)) scale(var(--sc, 1));
    transition: transform 1s cubic-bezier(.4, 0, .2, 1), opacity 1s;
    opacity: var(--op, 0);
    pointer-events: var(--pe, none);
}

.cold__card.is-active {
    pointer-events: none;
    opacity: 1;
}

/* TRS hit target: keep the 3D visual cards inert and route the complete
   current card to one non-transformed link so Chrome hit-testing is stable. */
.cold__hit-link {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 44.34%;
    aspect-ratio: 705 / 420;
    border: var(--w-bd) solid transparent;
    box-sizing: border-box;
    transform: translate(-50%, -50%) translateY(var(--ty, 0));
    z-index: 4;
    display: block;
    cursor: pointer;
}

.cold__hit-link[hidden] { display: none; }

.cold__hit-link:focus-visible {
    outline: 2px solid var(--c-accent);
    outline-offset: 4px;
}

/* inner-wrap：外观样式（背景/边框/圆角/阴影） */
.cold__card__inner {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    border: var(--w-s1-bdc) solid var(--c-bd);
    box-shadow: 0 12px 40px rgba(0, 0, 0, .4);
    transition: box-shadow 1s;
}

.cold__card__img {
    position: absolute;
    inset: 0;
}

.cold__card__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cold__card__body {
    position: relative;
    width: 100%;
    height: 100%;
    display: none;
    flex-direction: column;
    justify-content: flex-end;
    padding: clamp(12px, 1.8vw, 24px);
    box-sizing: border-box;
    background: linear-gradient(0deg, rgba(0, 0, 0, .85) 0%, rgba(0, 0, 0, .3) 60%, transparent 100%);
    color: var(--c-text);
}

.cold__card__title {
    font-size: var(--fs-s1tc);
}

.cold__card__desc {
    font-size: var(--fs-s1pc);
}

/* 控制 */
.cold__nav {
    position: absolute;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 5;
}

.cold__dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    cursor: pointer;
    user-select: none;
    transition: var(--tr);
    border: 1px solid var(--c-bd);
}

.cold__dot.is-active {
    width: 28px;
    border-radius: 5px;
    background: var(--c-bd);
    box-shadow: var(--c-glow);
}

.cold__arrow {
    position: absolute;
    top: 57.5%;
    transform: translateY(-50%);
    z-index: 5;
    width: 6.28%;
    aspect-ratio: 1 / 1;
    border-radius: 50%;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--tr);
    background-color: transparent;
    padding: 0;
}

.cold__arrow:hover {
    box-shadow: var(--c-glow);
    background-color: rgba(199, 247, 247, 0.8);
}

.cold__arrow img {
    width: 100%;
    height: 100%;
    transition: var(--tr);
}

.cold__arrow--prev {
    left: 1.25%;
}

.cold__arrow--next {
    right: 1.25%;
}

.sec__body_title_3 {
    width: var(--w);
    max-width: var(--w);
    margin: 0 auto;
    aspect-ratio: 1590 / 80;
    position: relative;
    container-type: size;
}

.sec__body_title_bg {
    position: absolute;
    width: 100%;
    aspect-ratio: 1590 / 64;
    bottom: 0;
    left: 0;
    pointer-events: none;
    container-type: size;
}

.sec__body_title_bg>div {
    position: absolute;
    inset: 0;
    z-index: 0;
    --x: 10%;
    --ch: 25cqh;
    background-color: rgba(0, 1, 145, 0.99);
    clip-path: polygon(0% 0%, 100% 0,
            100% calc(100% - var(--ch)),
            calc(100% - var(--x)) calc(100% - var(--ch)),
            calc(100% - var(--x) - var(--ch)) calc(100%),
            calc(0% + var(--x) + var(--ch)) calc(100%),
            calc(0% + var(--x)) calc(100% - var(--ch)),
            calc(0%) calc(100% - var(--ch)),
            0% 100%);
}

.sec__body_title_bg>span {
    position: absolute;
    display: block;
    inset: 0;
    transform: rotateX(180deg) translateX(-80%) translateY(25%);
    z-index: 0;
    --x: 10%;
    --ch: 25cqh;
    background-color: rgba(0, 1, 145, 0.99);
    clip-path: polygon(0% 0%, 100% 0,
            100% calc(100% - var(--ch)),
            calc(100% - var(--x)) calc(100% - var(--ch)),
            calc(100% - var(--x) - var(--ch)) calc(100%),
            calc(0% + var(--x) + var(--ch)) calc(100%),
            calc(0% + var(--x)) calc(100% - var(--ch)),
            calc(0%) calc(100% - var(--ch)),
            0% 100%);
}

.sec__body_title_bg::before {
    position: absolute;
    height: 75%;
    width: 100%;
    left: 0;
    transform: translateX(-100%);
    content: '';
    background-color: rgba(0, 1, 145, 0.8);
}

.sec__body_title_bg::after {
    position: absolute;
    height: 75%;
    width: 100%;
    left: 0;
    transform: translateX(100%);
    content: '';
    background-color: rgba(0, 1, 145, 0.8);
}

.sec__body_3_desc {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 1590 / 64;
    font-size: var(--fs-s1m);
    color: var(--c-text);
    letter-spacing: 0.05em;
    margin-top: 1%;
}

.sec__body_3_desc .desc {
    width: 30%;
    text-align: center;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sec__foot_3_bdtl,
.sec__foot_3_bdtr {
    width: 100%;
    left: 0;
    aspect-ratio: 1590 / 45;
    transform: translateX(-65%) translateY(-50%);
    position: absolute;
}

.sec__foot_3_bdtr {
    transform: translateX(65%) translateY(50%);
}

.sec__foot_3_bdtl .zline {
    --x: 20%;
}

.sec__foot_3_bdtr .zline {
    --x: 80%;
}

.sec__foot_3 {
    position: relative;
    display: flex;
    align-items: end;
    justify-content: center;
    font-size: var(--fs-s1m);
    color: var(--c-text);
    line-height: 1.0;
    ;
}

.sec__foot_3_inner {
    width: var(--w);
    aspect-ratio: 1590 / 80;
    display: flex;
    align-items: end;
    position: relative;
}

.sec__foot_3_desc {
    display: flex;
    padding: 0 0.2em;
    gap: 0.2em;
    letter-spacing: 0.2em;
    margin-left: 88.47%;
    cursor: pointer;
    user-select: none;
}

.sec__foot_3_desc img {
    width: 1.0em;
    aspect-ratio: 1 / 1;
}

.sec__more_3_bdbl,
.sec__more_3_bdbr {
    position: absolute;
    width: 100%;
    aspect-ratio: 1590 / 26;
    bottom: 0;
    left: 0;
    transform: translateX(-12.5%) rotateY(180deg);
}

.sec__more_3_bdbr {
    transform: translateX(97%) rotateY(0deg);
}

.sec__foot_3 .block-z-s1 {
    --x: 455 / 2590;
}

.sec__head_inner_4 {
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    position: relative;
}

.sec__head_inner_4::before {
    content: '';
    display: block;
    aspect-ratio: 1920 / 66;
    position: relative;
}

.sec__head_4_bdt {
    width: 100%;
    aspect-ratio: 1590 / 45;
    container-type: size;
    /*margin-bottom: 6.28%;*/
    /*margin-top: 4.15%;*/

}


.sec__head_4_bdt .zline {
    --w: 2.1cqw;
    --x: 42%;
    transform: translateX(-12%);
}

.sec__head_4_bdc {
    width: 100%;
    aspect-ratio: 1920 / 100;
    opacity: 0.1;
    display: flex;
    align-items: center;
}

.sec__head_4_bdc::before {
    content: '';
    display: block;
    aspect-ratio: 1920 / 100;
}

.sec__head_4_bdc .block-z-s1 {
    width: 50%;
    aspect-ratio: 960 / 45;
    --x: calc(455 / 960);
}

.sec__head_4_bdc .block-z-s1:first-child {
    transform: rotateY(180deg);
}

.sec__head_4_bdc .block-z-s1:last-child {
    transform: rotateX(180deg);
}

.sec__head_4_bdf {
    width: 100%;
    aspect-ratio: 1920 / 50;
    display: flex;
    align-items: center;
}

.sec__head_4_bdf .zline-s4 {
    width: 100%;
    aspect-ratio: 1920 / 50;
    --c: var(--c-bd);
}

.sec__head_4_bdf .zline-s4:last-child {
    display: none;
}

.sec__head_4_bdf .title {
    display: none;
}

.sec__body_4 {
    width: var(--w);
    max-width: var(--w);
    margin: 0 auto;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.sec__body_4::before {
    content: '';
    display: block;
    width: 100%;
    aspect-ratio: 1590 / 220;
}

.sec__body_4::after {
    content: '';
    display: block;
    width: 100%;
    aspect-ratio: 1590 / 145;
}

.sec__body_inner_4 {
    width: 90.88%;
    aspect-ratio: 1445 / 813;
    box-sizing: border-box;
    position: relative;
    /*border: var(--w-s1-bdc) solid var(--c-bd);*/
}

.sec__body_inner_4::before {
    content: '';
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /*border: var(--w-s1-bdc) solid var(--c-bd);*/
}

.sec__body_inner_4_bg {
    position: absolute;
    width: 117.16%;
    top: 50%;
    left: 50%;
    aspect-ratio: 1693 / 1054;
    /*background-color: red;*/
    transform: translateX(-48%) translateY(-54%);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sec__body_inner_4_bg img {
    width: 62.19%;
    transform: rotateZ(-90deg);
}

.sec__body_inner_title_4 {
    width: 100%;
    position: absolute;
    left: 0;
    top: 0;
    aspect-ratio: 1440 / 145;
    transform: translateY(-100%);
    display: flex;
    align-items: end;
    padding-bottom: 2%;
    box-sizing: border-box;
}

.sec__4_title_text {
    font-size: var(--fs-s1t);
    color: var(--c-text);
    line-height: 1.0;
    padding-right: 0.5em;
    letter-spacing: 0.02em;
}

.sec__body_inner_title_4 .block-z-s1 {
    width: 46.85%;
    aspect-ratio: 677 / 45;
    --x: 455 / 677;
}

.sec__foot_4 {
    width: 100%;
    aspect-ratio: 1920 / 50;
}

.sec__foot_4 .zline-s4 {
    width: 100%;
    aspect-ratio: 1920 / 50;
    transform: rotateY(180deg);
    --c: var(--c-bd);
}

.brain {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 320px;

    /*border: var(--w-s1-bdc) solid var(--c-bd);*/
    /*overflow: hidden;*/

}

.brain__list {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.brain__slide {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity .8s ease;
    pointer-events: none;
    border: var(--w-s1-bdc) solid var(--c-bd);
    box-sizing: border-box;
}

.brain__slide.is-active {
    opacity: 1;
    pointer-events: auto;
}

.brain__slide__media {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: var(--r-card);
    overflow: hidden;
    background: var(--c-bg-1);
    box-shadow: 0 12px 40px rgba(0, 0, 0, .5), 0 0 30px rgba(29, 233, 255, .3);
}

.brain__slide__media video,
.brain__slide__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* 播放遮罩 + 播放按钮 */
.brain__slide__overlay {
    position: absolute;
    inset: 0;
    z-index: 2;
    background: rgba(0, 0, 0, .25);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity .35s ease;
}

.brain__slide__overlay.is-hidden {
    opacity: 0;
    pointer-events: none;
}

.brain__slide__play-btn {
    width: clamp(48px, 7.3vw, 140px);
    height: clamp(48px, 7.3vw, 140px);
    border-radius: 50%;
    border: 2px solid transparent;
    background: rgba(0, 0, 0, .45);
    color: #fff;
    font-size: clamp(20px, 3vw, 36px);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    padding: 0;
    transition: var(--tr);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    background-image: url(./topic-dialog-ai-v1-play-wait.png);
    background-size: 100% 100%;
}

.brain__slide__play-btn:hover {
    border-color: var(--c-accent);
    box-shadow: 0 0 24px rgba(29, 233, 255, .6);
    transform: scale(1.1);
}

.brain__arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 5;
    width: 6.91%;
    aspect-ratio: 1 / 1;
    border-radius: 50%;
    border: none;
    background: transparent;
    display: flex;
    /*display: none;*/
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--tr);
    padding: 0;
    opacity: 1;
    pointer-events: auto;
}

.brain__arrow:hover {
    background: rgba(199, 247, 247, 0.8);
    box-shadow: var(--c-glow);
}

.brain__arrow img {
    width: 100%;
    height: 100%;
    transition: var(--tr);
}

.brain__arrow--prev {
    left: 1.25%;
}

.brain__arrow--next {
    right: 1.25%;
}

.brain__dots {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 5;
    opacity: 0;
    pointer-events: none;
}

.brain__dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .4);
    cursor: pointer;
    transition: var(--tr);
}

.brain__dot.is-active {
    width: 28px;
    border-radius: 5px;
    background: var(--c-accent);
    box-shadow: var(--c-glow);
}

section.sec-4 {
    padding-bottom: 10.41%;
}

/* =============================================================
   16. 页脚 - 全屏左中右
   ============================================================= */
.footer {
    width: 100%;
    aspect-ratio: 1920 / 175;
    min-height: 120px;
    background: var(--c-footer-bg);
    color: var(--c-text);
    border-top: 2px solid var(--c-bd);
    box-shadow: 0 -4px 24px rgba(29, 233, 255, .15);
    position: relative;
}

.footer::before {
    content: "";
    position: absolute;
    top: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent 0%, var(--c-accent) 50%, transparent 100%);
}

.beian {
    display: block;
    width: var(--fs-ft);
    aspect-ratio: 1 / 1;
}

.footer__inner {
    width: 90%;
    height: 100%;
    max-width: 90%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: nowrap;
    gap: clamp(20px, 3vw, 48px);

}

.footer__col {
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: var(--fs-ft);
    line-height: 2.0;
}

.footer__col ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5vw;
    text-align: center;
}

.footer__col li {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
}

.footer__col a {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    color: var(--c-text);
    transition: var(--tr);
}

.footer__col a:hover {
    color: #fff;
}

.footer__left img {
    width: 12.44vw;
    aspect-ratio: 239 / 44;
}

.footer__right img {
    width: 3.33vw;
    aspect-ratio: 1;
}

.footer__left,
.footer__right {
    width: 13.95%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer__left img,
.footer__right img {
    max-width: 100%;
    max-height: 64px;
    width: auto;
    filter: drop-shadow(0 2px 6px rgba(0, 0, 0, .4));
}

.footer__right img {
    width: 50%;
    max-width: 64px;
    height: auto;
}

/* list */

.sec__re_list {
    width: 100%;
    position: relative;
    padding-top: 12.5%;
    padding-bottom: 15.1%;
}

.sec__list_bd_top {
    position: absolute;
    width: 100%;
    left: 0;
    right: 0;
    top: 0;
    aspect-ratio: 1590 / 50;
    transform: translateY(calc(-100% - 5px));
    background-image: url(./topic-dialog-ai-v1-bg-bd-t-list.png);
    background-size: 100% auto;
    background-repeat: no-repeat;
}

.sec__list_bd_right {
    position: absolute;
    top: 0;
    bottom: 0;
    right: 0;
    width: 1.25%;
    transform: translateX(120%);
    background-image: url(./topic-dialog-ai-v1-bg-bd-r.png);
    background-size: 100% auto;
    background-repeat: repeat-y;
}

.sec__list_bd_rect {
    pointer-events: none;
    position: absolute;
    inset: 0;
    --w: var(--w-s1-bdc);
    border: var(--w) solid var(--c-bd);
    box-sizing: border-box;
    filter: drop-shadow(0 0 4px var(--c-bd)) drop-shadow(0 0 15px var(--c-bd-g));
}

.sec__list_title_inner {
    aspect-ratio: 1590 / 160;
    position: relative;
    padding: 0 3.46%;
}

.sec__list_title_line {
    width: 100%;
    aspect-ratio: 1480 / 100;
    display: flex;
    align-items: end;
    justify-content: left;
}

.list__inner__title {
    font-size: var(--fs-lt);
    color: var(--c-text);
    line-height: 1.0;
    margin-right: 0.8em;
    ;
    /*padding: 0 3.46%;*/
}

.list__inner__title_icon {
    width: 35.47%;
    aspect-ratio: 525 / 45;
}

.sec__list_title_bdb {
    width: 100%;
    aspect-ratio: 1480 / 45;
    transform: rotateY(180deg);
}

.section__inner__list {
    width: var(--w);
    max-width: var(--w);
    margin: 0 auto;
    position: relative;
    z-index: 1;
    background-image: url(./topic-dialog-ai-v1-bg-sec-s1.jpg);
    background-position: center center;
    background-size: 100% 100%;
    background-repeat: repeat-y;
}

.list__wrap {
    width: 93.39%;
    margin: 0 auto;
    container-type: inline-size;
    position: relative;
}

.list__wrap::before {
    content: '';
    display: block;
    width: 100%;
    aspect-ratio: 1590 / 160;
}


.list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    row-gap: 2.76cqw;
    column-gap: 2.76cqw;
}

/* 外层：定位/边界（grid 占位 + 3D 变换） */
.list__item {
    position: relative;
    aspect-ratio: 718 / 500;
    transition: transform .8s cubic-bezier(.4, 0, .2, 1);
    transform-style: preserve-3d;
    cursor: pointer;
    overflow: hidden;
}

.list__item:hover {
    transform: translateY(-2px);
}

/* inner-wrap：外观样式（背景/边框/圆角/阴影） */
.list__item__inner {
    position: relative;
    width: 100%;
    height: 100%;
    padding-top: 4.16%;
    box-sizing: border-box;
    background: var(--bg-lcard);
    border: var(--w-s1-bdc) solid var(--c-bd);
    overflow: hidden;
    transition: box-shadow .4s, border-color .4s;
}

.list__item__img {
    position: relative;
    width: 87.40%;
    aspect-ratio: 625 / 383;
    margin: 0 auto;
    border: 1px solid var(--c-bd);
    z-index: 1;
}

.list__item__img::after {
    content: "";
    position: absolute;
    inset: 0;
    transition: transform .6s ease;
    background: linear-gradient(0deg, rgba(0, 0, 0, .75) 0%, rgba(0, 0, 0, .2) 50%, transparent 100%);
}

.list__item__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .6s ease;
}

.list__item:hover .list__item__img img {
    transform: scale(1.02);
}

.list__item:hover .list__item__img::after {
    transform: scale(1.02);
}

.list__item__body {
    position: relative;
    width: 87.40%;
    aspect-ratio: 625 / 80;
    margin: 0 auto;
    z-index: 2;
    color: #fff;
    display: flex;
    overflow: hidden;
    align-items: center;
}

.list__item__title {
    width: 40%;
}

.list__item__title .title {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: var(--fs-lct);
    font-weight: 700;
    line-height: 1.0;
    -webkit-line-clamp: 1;
}

.list__item__desc {
    display: none;
    font-size: 1.71vw;

}

.list__item__desc div {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.list__item__meta {
    flex: 1;
    aspect-ratio: 380 / 25;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: var(--fs-lm);
    color: rgba(255, 255, 255, .8);
}

.list__item__meta .block-z-s1 {
    width: 100%;
    height: 100%;
    --x: calc(455 / 800);
}

.list-link {
    font-size: 2.60vw;
    display: none;
}

.section_list_footer {
    width: 100%;
    aspect-ratio: 1590 / 252;
    display: flex;
    align-items: end;
    justify-content: center;
    
}

.section_list_footer_inner {
    width: 93.08%;
    aspect-ratio: 1480 / 50;
    display: flex;
    align-items: end;
    justify-content: center;
}
.footer__list_s1 {
    width: 86.80%;
    display: flex;
    aspect-ratio: 1285 / 27;
    transform: rotateY(180deg);
}

.footer__list_s1 .block-z-s1 {
    width: 100%;
    height: 100%;
    --x: calc(455 / 1250);
}

.footer__list__next {
    width: 13.20%;
    aspect-ratio: 195 / 45;
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 0.2em;
    line-height: 1.0;
    font-size: var(--fs-l-more);
    color: var(--c-text);
    letter-spacing: 0.2em;
    padding-left: 0.4em;
    cursor: pointer;
}

.footer__list__next .text {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.footer__list__next .bg-arrow-right {
    width: 1em;
    height: 1em;
}
.border_b {
    width: 100%;position: relative;
    padding-top: 5.03%;
}
.bd_sec_bt_1, .bd_sec_bt_2 {
    
    transform: translateY(calc(0% + var(--w-s1-bds)));
}
.bd_sec_bt_1 {
    position: absolute;
    width:38.55%;aspect-ratio: 613/48;
    background-image: url(./topic-dialog-ai-v1-bd-line-bt.png);
    background-position: bottom;
    background-size: 100% 100%;
    background-repeat: no-repeat;
}

.bd_sec_bt_2 {
    position: absolute;
    width:33.77%;aspect-ratio: 537/48; left: 36.60%;
    background-image: url(./topic-dialog-ai-v1-bd-line-bt-2.png);
    background-position: bottom;
    background-size: 100% 100%;
    background-repeat: no-repeat;
}

@media screen and (max-width: 768px) {
    .hero {
        aspect-ratio: 1920 / 1860;
        background-image: url(./topic-dialog-ai-v1-banner-m.jpg);
    }

    .hero__inner {
        width: 70%;
        min-width: 0;
        max-width: none;
        padding-bottom: 22%;
    }

    .hero-item {
        aspect-ratio: 925 / 63;
    }

    .hero-item.hero-item--support {
        aspect-ratio: auto;
        height: auto;
    }

    .nav-wrap {
        width: 100%;
        aspect-ratio: 1920 / 124;
        background-image: url(./topic-dialog-ai-v1-bg-nav-full-m.png);
        background-size: 100% 100%;
        background-repeat: no-repeat;
        transform: translateY(-33.87%);
    }

    .nav {
        display: none;
    }

    .nav-m-wrap {
        display: block;
    }

    .sec-1::before {
        aspect-ratio: 1590 / 480;
    }

    .sec__inner_1 {
        aspect-ratio: 1590 / 2625;
    }

    .sec__title_1_icon_l,
    .sec__title_1_icon_r {
        width: 28.35%;
        aspect-ratio: 421 / 36;
    }

    .sec__head_1 {
        aspect-ratio: 1590 / 280;
    }

    .sec__title_1 {
        aspect-ratio: 1590 / 230;
    }

    .sec__title_inner_1 {
        aspect-ratio: 1485 / 130;
    }

    .sec__title_inner_bdm {
        padding-top: 1.88%;
    }

    .sec__title_1_icon_l {
        display: block;
        transform: rotateY(180deg) rotateX(180deg);
    }

    .sec__title_1_text {
        padding-right: 0;
        text-align: center;
        flex: 1;
    }

    .guide__grid_wrap {
        width: 91.19%;
        aspect-ratio: 1450 / 2090;
    }

    .guide__grid {
        grid-template-columns: repeat(2, 1fr);
        overflow: hidden;
        column-gap: 8%;
        row-gap: 4.83%;
    }

    .guide__grid_item {
        aspect-ratio: 667 / 993;
    }

    .guide__grid_item:nth-child(n+5) {
        display: none;
    }

    .guide__grid__inner {
        width: 89.05%;
        aspect-ratio: 594 / 920;
    }

    .guide__grid__inner .card__img {
        aspect-ratio: 590 / 639;
    }

    .card__body {
        margin-top: 4.71%;
        aspect-ratio: 594 / 250;
    }

    .guide__grid__inner .card__title {
        margin-top: 6.73%;
    }

    .sec__foot_1 {
        margin-top: 6.28%;
        aspect-ratio: 1590 / 75;
    }

    .sec__foot_line_1 {
        width: 76.83%;
        aspect-ratio: 1141 / 26;
    }

    .sec__foot_line_1 .block-z-s1 {
        --x: calc(455 / 1974);
    }

    .sec__head_2 {
        aspect-ratio: 1590 / 330;
    }

    .sec__title_inner_2 {
        aspect-ratio: 1590 / 300;
        align-items: center;
        /*
        position: static;*/
        justify-content: center;

    }

    .sec__title_2_icon_r {
        display: none;
    }

    .sec__title_2_icon_l {
        position: absolute;
        left: 0;
        top: 50%;
        display: block;
        width: 36.47%;
        aspect-ratio: 588 / 45;
        transform: translateX(-28.26%) rotateY(180deg) rotateX(180deg);
    }

    .sec__title_2_text {
        padding-left: 0.6em;
    }

    .sec__body_2 {
        aspect-ratio: 1590 / 1962;
    }

    .sec__body__inner_2 {
        padding: 5.03% 4.40%;
    }

    .sec__list_item::before {
        --x: 80.61%;
        --x2: 100.0%;
    }

    .sec__body__2_list .sec__list_item {
        opacity: 0.6;
    }

    .sec__body__2_list .sec__list_item:last-child {
        opacity: 0.8;
    }

    .sec__body__2_list .title {
        display: none;
    }

    .sec__body__2_list .sec__list_item {
        opacity: 0.6;
    }

    .sec__body__2_list .title {
        display: none;
    }

    .sec__body__2_list_m {
        position: absolute;
        display: flex;
        width: 64.65%;
        /*1028/1450*/
        aspect-ratio: 1028 / 1490;
        top: 5.03%;
        left: 4.40%;
        margin: 0;
        padding: 0;
        list-style: none;
        flex-direction: column;
        justify-content: space-between;
        z-index: 4;
    }

    .sec__body__2_list_m .sec__list_item_m {
        width: 100%;
        aspect-ratio: 1028 / 246;
        position: relative;
        background-color: rgba(1, 78, 232, 0.8);
        display: flex;
        align-items: center;
        justify-content: center;
        border: var(--w-s1-bd) solid var(--c-bd);
        font-size: var(--fs-s2p);
        color: var(--c-text);
    }

    .sec__list_item_m::before {
        --w: 3.34vw;
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: var(--w);
        height: var(--w);
        border-top: var(--w) solid var(--c-bd);
        border-right: var(--w) solid transparent;
        /*filter: drop-shadow(0 0 4px var(--c-bd)) drop-shadow(0 0 0.6vw var(--c-bd-g));*/
        box-sizing: border-box;
    }

    .sec__foot_line_2 {
        position: absolute;
        top: 0;
        left: 0;
        aspect-ratio: 1920 / 141;
        transform: translateX(-1%);
    }

    .sec__foot_2icon1 {
        position: absolute;
        width: 19.79%;
        left: 8%;
        aspect-ratio: 380 / 40;
    }

    .sec__foot_2icon2 {
        position: absolute;
        left: 29.16%;
        width: 48.43%;
        aspect-ratio: 930 / 60;
    }

    .sec__foot_2icon3 {
        position: absolute;
        left: 79%;
        width: 100%;
        aspect-ratio: 1920 / 100;
    }

    .sec__foot_2icon3.parallelogram {
        --cut: 5%;
    }

    .sec__foot_2 {
        width: 100%;
        max-width: 100%;
        aspect-ratio: 1920 / 386;
        position: relative;
    }

    .sec__inner_2::before {
        aspect-ratio: 1590 / 450;
    }

    .sec__body_2_mask::before {
        aspect-ratio: 1590 / 780;
    }

    .sec__body_2_mask_inner {
        aspect-ratio: 1590 / 1962;
    }

    .sec__mask_icon7 {
        /*height: 124.66%;*/
        aspect-ratio: 1616 / 2446;
        width: 101.66%;
        left: 33.58%;
        display: flex;
        align-items: end;
    }

    .polygon__mask__inner {
        aspect-ratio: 1590 / 2742;
    }

    .sec__mask_icon1 {
        left: 20.83%;
    }

    .sec__mask_icon2 {
        left: 47.39%;
    }

    .sec__mask_icon3 {
        transform: translateY(15.1cqh);
        right: 9.79%;
    }

    .sec__mask_icon3_1 {
        width: 32.57%;
        aspect-ratio: 215 / 30;
    }

    .sec__mask_icon3_1.parallelogram {
        --cut: 15%;
    }

    .sec__mask_icon3_2 {
        width: 64.84%;
        aspect-ratio: 428 / 50;
    }

    .sec__mask_icon3_2.parallelogram {
        --cut: 12%;
    }

    .sec__mask_icon4 {
        width: 58.36%;
        aspect-ratio: 928 / 48;
        left: 30.18%;
        transform: translateY(25.10cqh);
    }

    .sec__mask_icon4_1 {
        width: 54.74%;
        aspect-ratio: 508 / 30;
        ;
    }

    .sec__mask_icon4_2 {
        width: 44.39%;
        aspect-ratio: 412 / 48;
    }

    .sec__mask_icon5 {
        height: 11.69cqh;
        aspect-ratio: 410 / 318;
        left: 29.27%;
        transform: translateY(88.37cqh);
    }

    .sec__mask_icon6 {
        left: 38.43%;
    }

    .sec__body_2_mask_inner {
        padding: 5.03% 4.40%;
        box-sizing: border-box;
    }

    .sec__body_inner_3 {
        width: 78.90%;
        max-width: 78.90%;
        aspect-ratio: 1515 / 2305;
        padding-top: 5.2%;
        padding-bottom: 2.6%;
    }

    .cold__card {
        width: 100%;
        aspect-ratio: 1515 / 2305;
    }

    .cold__hit-link {
        width: 100%;
        aspect-ratio: 1515 / 2305;
    }

    .cold__card[data-pos="-1"],
    .cold__card[data-pos="1"],
    .cold__card[data-pos="-2"],
    .cold__card[data-pos="2"] {
        opacity: 0 !important;
    }

    .cold__card__img {
        background-position: right center;
    }

    .cold__arrow {
        width: 11.88%;
    }

    .cold__arrow--next {
        right: -5.94%;
    }

    .cold__arrow--prev {
        left: -5.94%;
    }

    .cold__nav {
        transform: translateX(-50%) translateY(15.625vw);
    }

    .sec__body_title_3 {
        aspect-ratio: 1590 / 136;
    }

    .sec__body_title_bg {
        aspect-ratio: 1590 / 125;
    }

    .sec__body_3_desc .desc {
        width: 45%;
    }

    .sec__body_3_desc {
        aspect-ratio: 1590 / 125;
        margin-top: 0.7%;
    }

    .sec__foot_3_bdtl {
        transform: translateX(-75%) translateY(-50%);
    }

    .sec__foot_3_bdtr {
        transform: translateX(75%) translateY(50%);
    }

    .sec__title_line-l,
    .sec__title_line-r {
        width: 25.78%;
        aspect-ratio: 410 / 45;
    }

    .cold__dot {
        width: 2.34vw;
        height: 2.34vw;
    }

    .cold__dot.is-active {
        width: 9.37vw;
        border-radius: 2.34vw;
    }

    .sec__foot_3_desc {
        margin-left: 75%;
        gap: 0.1em;
    }

    .sec__more_3_bdbl {
        transform: translateX(-27.5%) rotateY(180deg);
    }

    .sec__foot_3_inner {
        margin-top: 9.55%;
    }

    .sec__head_4_bdf .zline-s4 {
        --x: 5%;
    }

    .sec__head_4_bdf .title {
        flex: 1;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--c-text);
        font-size: var(--fs-s1t);
        line-height: 1.0;
    }

    .sec__head_4_bdf .zline-s4:first-child {
        transform: rotateY(180deg);
        width: 23.39%;
        aspect-ratio: 526 / 50;
    }

    .sec__head_4_bdf .zline-s4:last-child {
        display: block;
        width: 23.39%;
        aspect-ratio: 526 / 50;
        --c: var(--c-bd);
    }

    .sec__body_inner_title_4 {
        align-items: start;
        justify-content: flex-end;
        padding-right: 6%;
        padding-top: 1%;
    }

    .sec__body_inner_title_4 .block-z-s1 {
        transform: rotateY(180deg);
    }

    .sec__4_title_text {
        display: none;
    }

    .sec__body_inner_4 {
        aspect-ratio: 1445 / 2137;
    }

    .sec__body_inner_4_bg {
        width: 111%;
        aspect-ratio: 1604 / 2579;
        transform: translateX(-50%) translateY(-48%);
    }

    .sec__body_inner_4_bg img {
        width: 100%;
        height: 100%;
        transform: rotateZ(0deg);
    }

    .sec__body_4::before {
        aspect-ratio: 1590 / 290;
    }

    .sec__body_4::after {
        aspect-ratio: 1590 / 400;
    }

    .brain__slide__play-btn {
        width: 31.4%;
        aspect-ratio: 1 / 1;
        height: auto;
    }

    .sec__body_inner_footer_4 {
        width: 100%;
        position: absolute;
        left: 0;
        bottom: 0;
        aspect-ratio: 1440 / 230;
        transform: translateY(100%);
        display: flex;
        align-items: end;
        box-sizing: border-box;
    }

    .sec__body_inner_footer_4 .block-z-s1 {
        width: 46.85%;
        aspect-ratio: 677 / 45;
        --x: 455 / 677;
        transform: rotateX(180deg);
        margin-left: 7.8%;
    }

    .footer {
        display: none;
    }

    .sec__re_list {
        padding-top: 25.44%;
    }
    .section_list_footer {
        aspect-ratio: 1590 / 110;
    }
    .section_list_footer_inner {
        display: none;
    }
    .sec__list_title_inner {
        aspect-ratio: 1590 / 190;
        transform: translateY(-157.89%) translateX(20.0%);
        padding: 0;
    }
    .list__inner__title_icon{
        width: 40.25%;
        aspect-ratio: 640 / 45;
    }
    .sec__list_title_line {
        padding-left: 12.57%;
        aspect-ratio: 1590 / 100;
    }
    .list__inner__title_icon .block-z-s1 {
        --x: 455 / 640;
    }
    .list__wrap::before {
        display: none;
    }
    .sec__list_title_bdb {
        aspect-ratio: 1590 / 50;
        transform: rotateY(0deg);
        margin-top: 2.51%;
    }
    .sec__list_title_bdb .zline {
        aspect-ratio: 1590 / 50;
        --x: 25.15%;
    }
    .list{
        grid-template-columns: 1fr;
    }
    .list__item{
        aspect-ratio: 1485 / 529;
        
    }
    .list__item__inner {
        padding: 4.04% 4.04%;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
    .list__item__img{
        width: 45.78%;/*625*383 / 1365*/
        margin: 0;
    }
    .list__item__body{
        width: 48.89%;
        aspect-ratio: 665 / 383;
        margin: 0;
        background: transparent;
        display: flex;
        flex-direction: column;
        align-items: start;
        justify-content: space-between;
    }
    .list__item__title {
        flex: 1;
        width: 100%;
        overflow: hidden;
        display: flex;
        flex-direction: column;
        font-size: var(--fs-list-title);

    }

    .list__item__desc {
        margin-top: 6.3%;
        flex: 1;
        display: block;
        width: 100%;
        overflow: hidden;
    }
    .list__item__desc div {
        width: 100%;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .list__item__meta {
        width: 100%;
        flex: unset;
        margin-top: 6.3%;
        display: flex;
        column-gap: 2%;
        align-items: end;
        justify-content: space-between;
        aspect-ratio: 665 / 45;
    }
    .list__item__meta .block-z-s1 {
        width: 71.42%;
        aspect-ratio: 475 / 22;
        height: auto;
        --x:calc(455 / 900);
        transform: rotateY(180deg);
        overflow: hidden;
    }
    .list-link {
        display: flex;
        flex: 1;
        min-width: max(44px, 4.5em);
        align-items: end;
        justify-content: space-between;
        line-height: 1.0;
        font-size: 2.6vw;
        color: var(--c-text);
        letter-spacing: 0.2em;
        overflow: hidden;
    }
    .list__item__meta .list-link .flex {
        font-size: clamp(11px, 2.1vw, 13px);
        letter-spacing: .08em;
    }
    .list-link .bg-arrow-right {
        flex: 0 0 1em;
        width: 1em;
        height: 1em;
        aspect-ratio: 1 / 1;
        background-size: contain;
    }
}


.block-z-s1::before {
    content: '';
    display: block;
    position: relative;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--c);
    clip-path: polygon(0 0,
            calc(4.83% * var(--x)) 0,
            calc(11.86% * var(--x)) 100%,
            calc(14.50% * var(--x)) 100%, calc(7.47% * var(--x)) 0%,
            calc(14.50% * var(--x)) 0%, calc(21.53% * var(--x)) 100%,
            calc(24.61% * var(--x)) 100%, calc(17.58% * var(--x)) 0%,
            calc(24.61% * var(--x)) 0%, calc(31.86% * var(--x)) 100%,
            calc(34.94% * var(--x)) 100%, calc(27.91% * var(--x)) 0%,
            calc(34.94% * var(--x)) 0%, calc(41.91% * var(--x)) 100%,
            calc(45.27% * var(--x)) 100%, calc(38.24% * var(--x)) 0%,
            calc(45.27% * var(--x)) 0%, calc(52.30% * var(--x)) 100%,
            calc(55.38% * var(--x)) 100%, calc(48.57% * var(--x)) 0%,
            calc(55.38% * var(--x)) 0%, calc(62.63% * var(--x)) 100%,
            calc(65.91% * var(--x)) 100%, calc(58.68% * var(--x)) 0%,
            calc(65.91% * var(--x)) 0%, calc(72.74% * var(--x)) 100%,
            calc(75.82% * var(--x)) 100%, calc(69.01% * var(--x)) 0%,
            calc(75.82% * var(--x)) 0%, calc(83.07% * var(--x)) 100%,
            calc(86.15% * var(--x)) 100%, calc(79.12% * var(--x)) 0%,
            calc(86.15% * var(--x)) 0%, calc(93.18% * var(--x)) 100%,
            calc(96.48% * var(--x)) 100%, calc(89.45% * var(--x)) 0%,
            calc(96.48% * var(--x)) 0%, calc(100.0% * var(--x)) 50%,
            calc(100.0%) 50%,
            calc(100.0%) 100%,
            calc(0%) 100%);
}

.zline::before {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    background: var(--c);
    z-index: 1;
    clip-path: polygon(0 0,
            calc(var(--x) - var(--w) * 0.5 + var(--h) * 0.2) 0,
            calc(var(--x) + var(--w) * 0.5 + var(--h) * 0.2) calc(100% - var(--h)),
            calc(100%) calc(100% - var(--h)),
            calc(100%) calc(100%),
            calc(var(--x) + var(--w) * 0.5 - var(--h) * 0.2) calc(100%),
            calc(var(--x) - var(--w) * 0.5 - var(--h) * 0.2) calc(0% + var(--h)),
            calc(0%) calc(0% + var(--h)));
}

.zline::after {
    content: '';
    position: absolute;
    right: 0;
    bottom: 0;
    width: var(--radius);
    aspect-ratio: 1 / 1;
    border-radius: 100%;
    background: var(--c);
    z-index: 1;
    transform: translateY(calc(50% - var(--h) * 0.5));
}

.zline> :first-child {
    position: absolute;
    left: 0;
    top: 0;
    width: calc(var(--radius));
    aspect-ratio: 1 / 1;
    border-radius: 100%;
    background: var(--c);
    transform: translateY(calc(-50% + var(--h) * 0.5));
    z-index: 2;
    pointer-events: none;
}

.chamfer-tr-bd::after,
.chamfer-tr-bd-30::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    --wd: var(--w-s1-tr);

    width: var(--wd);
    height: var(--wd);
    border-top: var(--wd) solid var(--c-bd);
    border-left: var(--wd) solid transparent;
    filter: drop-shadow(0 0 4px var(--c-bd)) drop-shadow(0 0 15px var(--c-bd-g));
    box-sizing: border-box;
}

.chamfer-tr-bd-30::after {
    --wd: var(--w-s1-ctr);
    border-width: var(--w-s1-ctr);
}

.parallelogram {
    --cut: var(--ch-cut, 38.13%);
    clip-path: polygon(var(--cut) 0%,
            100% 0%,
            calc(100% - var(--cut)) 100%,
            0% 100%);
}

.parallelogram-bl {
    --cut: var(--ch-cut, 38.13%);
    clip-path: polygon(var(--cut) 0%,
            100% 0%,
            100% 100%,
            0% 100%);
}

.lline-lt {
    --cut: var(--ch-cut, 12%);
    --w: var(--ch-line, 2px);
    clip-path: polygon(var(--cut) 0%,
            100% 0%,
            100% var(--w),
            calc(var(--cut) + var(--w) * 0.5) var(--w),
            var(--w) 100%,
            0% 100%);
}

.list-bg-cp {
    --x: 32.61%;
    --x2: 72.96%;
    --w: calc(var(--w30) * 0.5);
    clip-path: polygon(0% 0%,
            var(--x) 0,
            calc(var(--x) + var(--w)) var(--w),
            100% var(--w),
            100% calc(100% - var(--w)),
            calc(var(--x2) + var(--w)) calc(100% - var(--w)),
            calc(var(--x2)) 100%,
            calc(var(--x) + var(--w)) 100%,
            calc(var(--x)) calc(100% - var(--w)),
            0 calc(100% - var(--w)),
            0% 100%);
}

.zline-s4 {
    --x: 11%;
    --h: var(--w-bds);
    --w: 2.34vw;
    --c: var(--bd-c, var(--c-accent));
    position: relative;
    overflow: visible;
}

.zline-s4::before {
    content: '';
    position: absolute;
    --d: calc(var(--w) * 0.4);
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    background: var(--c);
    z-index: 1;
    clip-path: polygon(0% 0%,
            0% calc(50% + var(--h) * 1),
            calc(var(--x) + var(--h) * 0.4142 * 2) calc(50% + var(--h) * 1),
            calc(var(--x) + var(--h) * 0.4142 * 1 + var(--d)) calc(100% - var(--h)),
            calc(var(--x) + var(--h) * 0.4142 * 1 + var(--d) * 3.0) calc(100% - var(--h)),
            calc(var(--x) + var(--h) * 0.4142 * 1 + var(--d) * 4.0) calc(50%),
            calc(var(--x) + var(--h) * 0.4142 * 1 + var(--d) * 8.0) calc(50%),
            calc(var(--x) + var(--h) * 0.4142 * 1 + var(--d) * 9.0) calc(100% - var(--h)),
            /*v bl*/
            calc(var(--x) + var(--h) * 0.4142 * 1 + var(--d) * 9.5) calc(100% - var(--h)),
            /*v br*/
            calc(var(--x) + var(--h) * 0.4142 * 3 + var(--d) * 10.5) calc(50% - var(--h)),
            /*v tr*/
            calc(var(--x) + var(--h) * 0.4142 * 4 + var(--d) * 11.5) calc(50% - var(--h)),
            calc(var(--x) + var(--h) * 0.4142 * 4 + var(--d) * 12.5) calc(0%),
            calc(var(--x) + var(--h) * 0.4142 * 4 + var(--d) * 18.5) calc(0%),
            calc(var(--x) + var(--h) * 0.4142 * 4 + var(--d) * 17.5) calc(50% - var(--h)),
            calc(var(--x) + var(--h) * 0.4142 * 5 + var(--d) * 26.5) calc(50% - var(--h)),
            calc(var(--x) + var(--h) * 0.4142 * 5 + var(--d) * 27.5) calc(100% - var(--h) * 2),
            calc(100%) calc(100% - var(--h) * 2),
            calc(100%) calc(100% - var(--h) * 1),
            calc(var(--x) + var(--h) * 0.4142 * 4 + var(--d) * 27.5) calc(100% - var(--h) * 1),
            calc(var(--x) + var(--h) * 0.4142 * 4 + var(--d) * 26.5) calc(50% + var(--h) * 0),
            /* tr*/
            calc(var(--x) + var(--h) * 0.4142 * 4 + var(--d) * 24.5) calc(50% + var(--h) * 0),
            calc(var(--x) + var(--h) * 0.4142 * 4 + var(--d) * 23.5) calc(100% - var(--h) * 1),
            calc(var(--x) + var(--h) * 0.4142 * 4 + var(--d) * 12.5) calc(100% - var(--h) * 1),
            calc(var(--x) + var(--h) * 0.4142 * 4 + var(--d) * 13.5) calc(50% + var(--h) * 0),
            calc(var(--x) + var(--h) * 0.4142 * 4 + var(--d) * 10.5) calc(50% + var(--h) * 0),
            calc(var(--x) + var(--h) * 0.4142 * 2 + var(--d) * 9.5) calc(100%),
            calc(var(--x) + var(--h) * 0.4142 * 0 + var(--d) * 1.0) calc(100%),
            calc(var(--x) + var(--h) * 0.4142 * 1) calc(50% + var(--h) * 2),
            calc(0%) calc(50% + var(--h) * 2),

            0% 100%);
}


.zline-s4 {
    --x: 11%;
    --h: var(--w-s1-bdc);
    --w: 2.34vw;
    --c: var(--c-bd);
    position: relative;
    overflow: visible;
}

.zline-s4::before {
    content: '';
    position: absolute;
    --d: calc(var(--w) * 0.4);
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    background: var(--c);
    z-index: 1;
    clip-path: polygon(0% 0%,
            0% calc(50% + var(--h) * 1),
            calc(var(--x) + var(--h) * 0.4142 * 2) calc(50% + var(--h) * 1),
            calc(var(--x) + var(--h) * 0.4142 * 1 + var(--d)) calc(100% - var(--h)),
            calc(var(--x) + var(--h) * 0.4142 * 1 + var(--d) * 3.0) calc(100% - var(--h)),
            calc(var(--x) + var(--h) * 0.4142 * 1 + var(--d) * 4.0) calc(50%),
            calc(var(--x) + var(--h) * 0.4142 * 1 + var(--d) * 8.0) calc(50%),
            calc(var(--x) + var(--h) * 0.4142 * 1 + var(--d) * 9.0) calc(100% - var(--h)),
            /*v bl*/
            calc(var(--x) + var(--h) * 0.4142 * 1 + var(--d) * 9.5) calc(100% - var(--h)),
            /*v br*/
            calc(var(--x) + var(--h) * 0.4142 * 3 + var(--d) * 10.5) calc(50% - var(--h)),
            /*v tr*/
            calc(var(--x) + var(--h) * 0.4142 * 4 + var(--d) * 11.5) calc(50% - var(--h)),
            calc(var(--x) + var(--h) * 0.4142 * 4 + var(--d) * 12.5) calc(0%),
            calc(var(--x) + var(--h) * 0.4142 * 4 + var(--d) * 18.5) calc(0%),
            calc(var(--x) + var(--h) * 0.4142 * 4 + var(--d) * 17.5) calc(50% - var(--h)),
            calc(var(--x) + var(--h) * 0.4142 * 5 + var(--d) * 26.5) calc(50% - var(--h)),
            calc(var(--x) + var(--h) * 0.4142 * 5 + var(--d) * 27.5) calc(100% - var(--h) * 2),
            calc(100%) calc(100% - var(--h) * 2),
            calc(100%) calc(100% - var(--h) * 1),
            calc(var(--x) + var(--h) * 0.4142 * 4 + var(--d) * 27.5) calc(100% - var(--h) * 1),
            calc(var(--x) + var(--h) * 0.4142 * 4 + var(--d) * 26.5) calc(50% + var(--h) * 0),
            /* tr*/
            calc(var(--x) + var(--h) * 0.4142 * 4 + var(--d) * 24.5) calc(50% + var(--h) * 0),
            calc(var(--x) + var(--h) * 0.4142 * 4 + var(--d) * 23.5) calc(100% - var(--h) * 1),
            calc(var(--x) + var(--h) * 0.4142 * 4 + var(--d) * 12.5) calc(100% - var(--h) * 1),
            calc(var(--x) + var(--h) * 0.4142 * 4 + var(--d) * 13.5) calc(50% + var(--h) * 0),
            calc(var(--x) + var(--h) * 0.4142 * 4 + var(--d) * 10.5) calc(50% + var(--h) * 0),
            calc(var(--x) + var(--h) * 0.4142 * 2 + var(--d) * 9.5) calc(100%),
            calc(var(--x) + var(--h) * 0.4142 * 0 + var(--d) * 1.0) calc(100%),
            calc(var(--x) + var(--h) * 0.4142 * 1) calc(50% + var(--h) * 2),
            calc(0%) calc(50% + var(--h) * 2),

            0% 100%);
}
/* ==================== detail 详情页样式 ==================== */
.sec__re_detail {
    width: 100%;
    position: relative;
    padding-top: 12.5%;
    padding-bottom: 15.1%;
}

.section__inner__detail {
    width: var(--w);
    max-width: var(--w);
    margin: 0 auto;
    position: relative;
    z-index: 1;
    background-image: url(./topic-dialog-ai-v1-bg-sec-s1.jpg);
    background-position: center top;
    background-size: 100% 100%;
    background-repeat: repeat-y;
}

.section__inner__detail::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background: linear-gradient(135deg,
        rgba(123, 60, 200, 0.35) 0%,
        rgba(155, 50, 175, 0.30) 35%,
        rgba(220, 80, 175, 0.30) 70%,
        rgba(95, 70, 195, 0.35) 100%);
}

.section__inner__detail > .detail__wrap {
    position: relative;
    z-index: 2;
}

.sec__detail_bd_top {
    position: absolute;
    width: 100%;
    left: 0;
    right: 0;
    top: 0;
    aspect-ratio: 1590 / 50;
    transform: translateY(calc(-100% - 5px));
    background-image: url(./topic-dialog-ai-v1-bg-bd-t-list.png);
    background-size: 100% auto;
    background-repeat: no-repeat;
}

.sec__detail_bd_right {
    position: absolute;
    top: 0;
    bottom: 0;
    right: 0;
    width: 1.25%;
    transform: translateX(120%);
    background-image: url(./topic-dialog-ai-v1-bg-bd-r.png);
    background-size: 100% auto;
    background-repeat: repeat-y;
}

.sec__detail_bd_bottom {
    width: 100%;
    aspect-ratio: 1590 / 48;
    position: absolute;
    left: 0;
    bottom: 0;
    transform: translateY(calc(100% + var(--w-s1-bds)));
}

.sec__detail_bd_bottom::before {
    content: '';
    display: block;
    width: 38.55%;
    aspect-ratio: 613 / 48;
    background-image: url(./topic-dialog-ai-v1-bd-line-bt.png);
    background-size: 100% 100%;
    background-repeat: no-repeat;
}

.sec__detail_bd_bottom::after {
    content: '';
    display: block;
    position: absolute;
    top: 0;
    left: 36.5%;
    width: 33.77%;
    aspect-ratio: 537 / 48;
    background-image: url(./topic-dialog-ai-v1-bd-line-bt-2.png);
    background-size: 100% 100%;
    background-repeat: no-repeat;
}

.sec__detail_bd_left {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: 1.25%;
    transform: translateX(calc(-100% - 5px)) scaleX(-1);
    background-image: url(./topic-dialog-ai-v1-bg-bd-r.png);
    background-size: 100% auto;
    background-repeat: repeat-y;
}

.sec__detail_bd_rect {
    pointer-events: none;
    position: absolute;
    inset: 0;
    --w: var(--w-s1-bdc);
    border: var(--w) solid var(--c-bd);
    box-sizing: border-box;
    filter: drop-shadow(0 0 4px var(--c-bd)) drop-shadow(0 0 15px var(--c-bd-g));
    z-index: 3;
}


.sec__detail_title_inner {
    aspect-ratio: 1590 / 160;
    position: relative;
    padding: 0 3.46%;
}

.sec__detail_title_line {
    width: 100%;
    aspect-ratio: 1480 / 100;
    display: flex;
    align-items: end;
    justify-content: left;
}

.detail__inner__title {
    font-size: var(--fs-lt);
    color: var(--c-text);
    line-height: 1.0;
    margin-right: 0.8em;
    letter-spacing: 0.05em;
}

.detail__inner__title_icon {
    width: 35.47%;
    aspect-ratio: 525 / 45;
}

.sec__detail_title_bdb {
    width: 100%;
    aspect-ratio: 1480 / 45;
    transform: rotateY(180deg);
}

.detail__wrap {
    width: 100%;
    margin: 0 auto;
    aspect-ratio: 1590 / 2100;
    padding: 6.28% 6.28% 6.28% 9.12%;
    box-sizing: border-box;
    position: relative;
}

.detail__inner {
    width: 100%;
    height: 100%;
    padding-right: 8.62%; /*116 / 1345*/
    box-sizing: border-box;
    overflow-y: auto;
}

.detail__subtitle {
    width: 100%;
    aspect-ratio: 1015 / 80;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--fs-dt1);
    color: var(--c-text);
    font-weight: 500;
    letter-spacing: 0.15em;
    text-align: center;
    position: relative;
}

.detail__subtitle::before,
.detail__subtitle::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(29, 233, 255, 0.6), transparent);
    margin: 0 1.5em;
}

.detail__paragraph {
    width: 100%;
    margin: clamp(20px, 3vw, 40px) 0;
    color: var(--c-text);
    font-size: var(--fs-dp);
    line-height: 2.0;
    letter-spacing: 0.06em;
    text-indent: 2em;
    text-align: justify;
}

.detail__paragraph p {
    margin: 0;
}

.detail__figure {
    width: 100%;
    aspect-ratio: 1160 / 530;
    margin: clamp(20px, 3vw, 40px) 0;
    border: var(--w-s1-bdc) solid var(--c-bd);
    box-sizing: border-box;
    overflow: hidden;
    position: relative;
    box-shadow: 0 0 18px rgba(29, 233, 255, 0.45);
}

.detail__figure img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.detail__foot {
    width: 80%;
    margin-top: clamp(20px, 3vw, 40px);
    display: flex;
    justify-content: center;
    align-items: center;
}

.detail__foot_more {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4em;
    padding: 0.4em 1.4em;
    font-size: var(--fs-l-more);
    color: var(--c-text);
    letter-spacing: 0.15em;
    border: var(--w-s1-bdc) solid var(--c-bd);
    border-radius: 6px;
    background: linear-gradient(90deg, rgba(29, 233, 255, 0.12), rgba(29, 233, 255, 0.04));
    transition: var(--tr);
}

.detail__foot_more:hover {
    background: rgba(29, 233, 255, 0.25);
    box-shadow: var(--c-glow);
    transform: translateX(2px);
}

.detail__foot_more .icon.bg-arrow-right {
    width: 1em;
    height: 1em;
}

@media screen and (max-width: 768px) {
    .sec__re_detail {
        padding-top: 25.44%;
        padding-bottom: 20%;
    }

    .sec__detail_title_inner {
        aspect-ratio: 1590 / 190;
        transform: translateY(-157.89%) translateX(20.0%);
        padding: 0;
    }

    .detail__inner__title {
        padding-left: 0;
        text-align: center;
    }

    .sec__detail_title_line {
        padding-left: 12.57%;
        aspect-ratio: 1590 / 100;
    }

    .detail__inner__title_icon {
        width: 40.25%;
        aspect-ratio: 640 / 45;
    }

    .sec__detail_title_bdb {
        aspect-ratio: 1590 / 50;
        transform: rotateY(0deg);
        margin-top: 2.51%;
    }

    .detail__wrap {
        width: 100%;
        aspect-ratio: 1590 / 2266;
        padding-top: 0;
    }

    .detail__subtitle {
        aspect-ratio: 1160 / 110;
        font-size: var(--fs-lct);
    }

    .detail__paragraph {
        font-size: var(--fs-s1pc);
        line-height: 1.9;
    }

    .detail__figure {
        width: 100%;
        aspect-ratio: 1250 / 700;
    }
}

/* TRS integration: preserve the supplied visual system while making dynamic
   content stable, readable, and safe for the legacy renderer. */
.card__body { box-sizing: border-box; padding: 0 4.5% 2%; }
.guide__grid__inner .card__title,
.guide__grid__inner .card__desc {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  height: 2.4em;
  max-height: 2.4em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: normal;
  line-height: 1.2;
}
.guide__grid_item, .cold__card { display: block; color: inherit; text-decoration: none; }
.sec__body__2_list { --companion-slots: 7; }
.sec__body__2_list > .sec__list_item {
  flex: 0 0 calc((100% - (var(--companion-slots) - 1) * 1.25%) / var(--companion-slots));
  min-height: 0;
}
.sec__body__2_list > .sec__list_item:last-child {
  flex: 0 0 calc((100% - (var(--companion-slots) - 1) * 1.25%) / var(--companion-slots));
  margin-top: auto;
  min-height: 0;
  padding-bottom: 1%;
}
.sec__body__2_list > .sec__list_item:last-child .sec__list_link,
.sec__body__2_list > .sec__list_item:last-child .more {
  width: 100%;
  height: 100%;
  min-height: 100%;
  align-items: center;
}
.sec__list_link {
  display: flex;
  width: 100%;
  height: 100%;
  min-height: 100%;
  align-items: center;
  color: inherit;
  text-decoration: none;
}
.sec__list_link .title {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  max-height: 2.5em;
  overflow: hidden;
  line-height: 1.25;
}
.sec__list_link .desc { display: none !important; }
.footer__copyright-mark { display: inline-flex; align-items: center; white-space: nowrap; }
.footer__copyright-mark::before { content: "\00a9"; margin-right: .25em; }
.footer__beian-link {
  display: inline-flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: .25em;
  white-space: nowrap;
}
.footer__beian-link .beian { display: inline-block; flex: 0 0 auto; }

/* List titles sit on the image bottom so the complete headline gets the
   widest readable area. */
.list__item__img { position: relative; overflow: hidden; }
.list__item__img .list__item__title {
  position: absolute;
  z-index: 3;
  left: 0;
  right: 0;
  bottom: 0;
  width: auto;
  padding: .55em .8em .65em;
  background: linear-gradient(0deg, rgba(0, 0, 0, .88), rgba(0, 0, 0, .35) 70%, transparent);
  color: #fff;
  box-sizing: border-box;
}
.list__item__img .list__item__title .title {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  max-height: 2.5em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: normal;
  line-height: 1.25;
}
.list__item__body { min-width: 0; }
@media screen and (min-width: 769px) {
  .list__item__body > .list__item__desc { display: none; }
}

/* Mobile list cards keep the summary above a date row anchored at the bottom. */
@media screen and (max-width: 768px) {
  .list__item__title {
    order: 1;
    flex: 0 0 auto;
    width: 100%;
  }
  .list__item__title .title {
    font-size: clamp(12px, 2.6vw, 20px);
    line-height: 1.2;
    max-height: 2.4em;
  }
  .list__item__body > .list__item__desc {
    order: 2;
    display: block;
    flex: 1 1 auto;
    min-height: 0;
    margin-top: 4%;
  }
  .list__item__meta {
    order: 3;
    margin-top: auto;
  }
}

/* Detail rich text: no generated OutLinePics cover; htmlcontent is the only
   article body and must remain readable on the dark visual background. */
.detail__meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .8em 1.5em;
  margin: 0 auto 1.2em;
  color: var(--c-text);
  font-size: .9em;
}
.detail__wrap { aspect-ratio: auto; min-height: min(80vh, 1200px); }
.detail__inner { height: auto; min-height: 0; overflow: visible; }
.detail__trs-body {
  box-sizing: border-box;
  padding: clamp(1rem, 2.2vw, 2rem);
  background: rgba(2, 8, 14, .28);
  color: var(--c-text);
  font-size: clamp(14px, 1.5vw, 25px);
  line-height: 1.9;
  letter-spacing: .04em;
}
.detail__trs-body > .detail__paragraph {
  width: 100%;
  margin: 0;
  color: inherit;
  font-size: inherit;
  line-height: inherit;
  letter-spacing: inherit;
  text-indent: 0;
  text-align: justify;
}
.detail__trs-body > .detail__paragraph p { margin: 0 0 1.15em; text-indent: 2em; }
.detail__trs-body p { margin: 0 0 1.15em; text-indent: 2em; }
.detail__trs-body img {
  display: block;
  width: min(80%, 760px);
  max-width: 100%;
  height: auto;
  margin: 1.25em auto;
}
.detail__trs-body video, .detail__trs-body iframe, .detail__trs-body table,
.detail__trs-body pre, .detail__trs-body code {
  max-width: 100%;
  box-sizing: border-box;
}
.detail__trs-body video, .detail__trs-body iframe {
  display: block;
  width: 100%;
  height: auto;
  margin: 1.25em auto;
}
.detail__trs-body pre, .detail__trs-body code {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.detail__trs-body [style*="color"] { color: var(--c-text) !important; }
.detail__trs-body [style*="background"],
.detail__trs-body [bgcolor] {
  background-color: transparent !important;
}
.detail__trs-body .app_image_container {
  display: block !important;
  width: min(80%, 760px) !important;
  max-width: 100% !important;
  margin: 1.25em auto !important;
  margin-left: auto !important;
  margin-right: auto !important;
  float: none !important;
  overflow: hidden;
  clear: both;
  text-align: center !important;
  color: rgba(255, 255, 255, .9) !important;
  background: rgba(2, 8, 14, .45);
}
.detail__trs-body section[style*="display: inline-block"],
.detail__trs-body section[style*="display:inline-block"] {
  display: block !important;
  width: 100% !important;
  max-width: 100% !important;
  box-sizing: border-box !important;
}
.detail__trs-body .app_image_container img {
  display: block !important;
  width: 100% !important;
  max-width: 100% !important;
  height: auto !important;
  margin: 0 auto !important;
  float: none !important;
}
.detail__trs-body .app_image_container p.app_image_wrap {
  margin: 0 auto !important;
  text-align: center !important;
  float: none !important;
}
.detail__trs-body .app_image_container p,
.detail__trs-body .app_image_container span {
  color: rgba(255, 255, 255, .9) !important;
}
.detail__trs-body .app_image_container p.imagenote {
  display: block !important;
  width: 100% !important;
  max-width: 100% !important;
  box-sizing: border-box;
  white-space: normal !important;
  overflow-wrap: anywhere;
  word-break: break-word;
  overflow: visible !important;
  text-align: center;
  color: rgba(255, 255, 255, .9) !important;
  background: rgba(2, 8, 14, .45);
  padding: .35rem .5rem;
  line-height: 1.5;
}
.detail__trs-body a { color: var(--c-accent) !important; }
.detail__trs-body figcaption, .detail__trs-body [class*="source"], .detail__trs-body [class*="来源"] {
  color: rgba(255, 255, 255, .78) !important;
  white-space: normal;
  overflow-wrap: anywhere;
}
.detail-video { display: block; width: 100%; max-height: 70vh; background: #06125f; }
.video-unavailable { margin-top: .75rem; color: var(--c-text); }
.detail-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: .75em;
}
.detail__source-link { color: var(--c-text); }
.topic-pagination {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: .5rem;
  margin: 2rem auto;
}
.topic-pagination > a, .topic-pagination > span {
  min-width: 2.25rem;
  padding: .55rem .8rem;
  border: 1px solid rgba(29, 233, 255, .55);
  color: var(--c-text);
  text-align: center;
  text-decoration: none;
}
.topic-pagination > a:hover, .topic-pagination > .is-active { background: rgba(29, 233, 255, .2); }
.topic-pagination > .is-disabled { opacity: .45; }
.trs-css-background-asset-preload {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  pointer-events: none;
}
@media (min-width: 769px) {
  .detail__trs-body .app_image_container {
    width: min(80%, 760px) !important;
    margin: 1.25em auto !important;
  }
  .detail__trs-body .app_image_container img {
    width: 100% !important;
    max-width: 100% !important;
    height: auto !important;
  }
}
@media (max-width: 768px) {
  .detail__inner { padding-right: 0; }
  .detail__meta { font-size: clamp(10px, 2.4vw, 13px); }
  .detail__trs-body { padding: clamp(.75rem, 2.5vw, 1rem); }
  .detail-actions { gap: .45em; }
  .detail__trs-body img { width: 100%; }
  .detail__trs-body .app_image_container { width: 100% !important; }
  .list__item__img .list__item__title { padding: .45em .6em .55em; }
}
.nav-m__panel {
  background: rgba(2, 8, 14, .96);
  border: 1px solid rgba(29, 233, 255, .85);
  border-radius: 4px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .55), 0 0 18px rgba(29, 233, 255, .25);
}

/* Home guide cards use the image for the headline and reserve the body for
   the abstract so both fields remain readable at narrow widths. */
.guide__grid__inner .card__img {
  position: relative;
  overflow: hidden;
}
.guide__grid__inner .card__img .card__title {
  position: absolute;
  z-index: 3;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: .45em .65em .5em;
  box-sizing: border-box;
  display: block;
  height: auto;
  max-height: 3.5em;
  overflow: hidden;
  line-height: 1.25;
  font-size: var(--fs-s1tc);
  color: #fff;
  background: linear-gradient(0deg, rgba(0, 0, 0, .9), rgba(0, 0, 0, .42) 72%, transparent);
}
.guide__grid__inner .card__title_text {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  height: 2.4em;
  max-height: 2.4em;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.2;
  white-space: normal;
  overflow-wrap: anywhere;
}
.guide__grid__inner .card__body .card__desc {
  margin-top: 7.5%;
}

/* Detail navigation actions are intentionally compact and remain one row. */
.detail-actions {
  width: 100%;
  flex-wrap: nowrap;
  gap: .6em;
}
.detail__foot_more {
  flex: 0 1 auto;
  min-width: 0;
  padding: .25em .8em;
  font-size: clamp(12px, 1.8vw, 24px);
  letter-spacing: .08em;
  white-space: nowrap;
}
.detail__subtitle {
  font-size: clamp(18px, 1.8vw, 32px);
}
@media (max-width: 768px) {
  .detail__subtitle {
    font-size: clamp(15px, 3.4vw, 18px);
  }
  .detail-actions { gap: .4em; }
  .detail__foot_more {
    padding: .2em .55em;
    font-size: clamp(11px, 3.2vw, 18px);
  }
}

/* Final mobile readability rules for the home guide cards and companion list. */
.guide__grid__inner .card__body .card__desc {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  height: 3.6em;
  max-height: 3.6em;
  line-height: 1.2;
  white-space: normal;
}
@media (max-width: 768px) {
  .guide__grid__inner .card__img .card__title {
    font-size: clamp(11px, 2.35vw, 17px);
    line-height: 1.2;
    max-height: 3em;
    padding: .25em .45em .35em;
  }
  .guide__grid__inner .card__title_text {
    height: 2.4em;
    max-height: 2.4em;
    line-height: 1.2;
  }
  .list__item__body > .list__item__desc div {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    max-height: 3.6em;
    line-height: 1.2;
    overflow: hidden;
  }
  /* The mobile companion list lives in a visual mask that was originally
     pointer-transparent. Re-enable hit testing for the list and its links. */
  .sec__body_2_mask {
    pointer-events: auto;
  }
  .sec__body_2_mask .sec__body_2_mask_inner {
    pointer-events: auto;
  }
  .sec__body__2_list_m .sec__list_link {
    pointer-events: auto;
    position: relative;
    z-index: 1;
    display: flex;
    width: 100%;
    height: 100%;
    align-items: center;
    justify-content: center;
  }
  .sec__body__2_list_m .sec__list_link .title {
    box-sizing: border-box;
    width: 100%;
    padding-left: 1em;
    padding-right: 1em;
  }
  .sec__body__2_list_m .sec__list_item_m_more {
    flex: 0 0 auto;
    aspect-ratio: auto;
    min-height: 0;
    background: transparent;
    border: 0;
    justify-content: flex-end;
  }
  .sec__body__2_list_m .sec__list_item_m_more .sec__list_link {
    width: auto;
    height: auto;
    min-height: 0;
    justify-content: flex-end;
    gap: .4em;
  }
  .sec__body__2_list_m .sec__list_item_m_more .sec__foot_more {
    flex: 0 0 auto;
    width: auto;
    height: 100%;
    min-height: 0;
    padding-left: .8em;
    align-items: end;
    justify-content: space-between;
    font-size: var(--fs-s1m);
    line-height: 1;
    letter-spacing: .18em;
    border: 0;
    background: transparent;
    overflow: hidden;
    gap: 0;
  }
  .sec__body__2_list { display: none !important; }
  .sec__body__2_list_m { display: flex !important; }
}

/* Homepage linked titles share a stable interaction cue. Only paint and a
   one-pixel translation change, so hovering cannot resize any card. */
.guide__grid_item .card__title_text,
.sec__list_link .title,
.cold .cold__card.is-active .cold__card__title,
.cold__current-title-link,
.brain__slide__title a {
  transition: color .2s ease, text-shadow .2s ease, transform .2s ease;
}
.guide__grid_item:hover .card__title_text,
.guide__grid_item:focus-visible .card__title_text,
.sec__list_link:hover .title,
.sec__list_link:focus-visible .title,
.cold:hover .cold__card.is-active .cold__card__title,
.cold:focus-within .cold__card.is-active .cold__card__title,
.cold__current-title-link:hover,
.cold__current-title-link:focus-visible,
.brain__slide__title a:hover,
.brain__slide__title a:focus-visible {
  color: var(--c-accent);
  text-shadow: 0 0 .55em rgba(29, 233, 255, .8);
  transform: translateY(-1px);
}
.guide__grid_item:focus-visible,
.sec__list_link:focus-visible,
.cold__current-title-link:focus-visible,
.brain__slide__title a:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 2px;
}

/* The future-video headline belongs to the poster, while the central play
   control remains above the video and outside the headline hit area. */
.brain__slide__title {
  position: absolute;
  z-index: 3;
  left: 0;
  right: 0;
  bottom: 0;
  box-sizing: border-box;
  padding: 2.4rem 1.25rem .8rem;
  pointer-events: none;
  background: linear-gradient(0deg, rgba(0, 0, 0, .92), rgba(0, 0, 0, .42) 70%, transparent);
}
.brain__slide__title a {
  display: -webkit-box;
  width: fit-content;
  max-width: 100%;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  text-overflow: ellipsis;
  overflow-wrap: anywhere;
  pointer-events: auto;
  color: #fff;
  font-size: var(--fs-s1m);
  line-height: 1.3;
}
.sec__body_inner_footer_4 {
  width: 100%;
  position: absolute;
  z-index: 6;
  left: 0;
  bottom: 0;
  aspect-ratio: 1440 / 145;
  transform: translateY(100%);
  pointer-events: none;
}
.brain__more {
  position: absolute;
  right: 0;
  bottom: 0;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: .4em;
  padding: .35em .15em .35em .65em;
  pointer-events: auto;
  color: var(--c-text);
  font-size: var(--fs-s1m);
  line-height: 1;
  letter-spacing: .2em;
  transition: color .2s ease, text-shadow .2s ease, transform .2s ease;
}
.brain__more .icon {
  display: inline-block;
  width: 1em;
  height: 1em;
}
.brain__more:hover,
.brain__more:focus-visible {
  color: var(--c-accent);
  text-shadow: 0 0 .55em rgba(29, 233, 255, .8);
  transform: translateX(1px);
}
.brain__more:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 2px;
}
@media (max-width: 768px) {
  .brain__slide__title { padding: 1.8rem .75rem .55rem; }
  .sec__body_inner_footer_4 { aspect-ratio: 1440 / 230; }
  .brain__more {
    right: 0;
    bottom: -0.65em;
  }
  .brain__arrow { width: 12.45%; }
}
[hidden] { display: none !important; }