/*! normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css */


/* Document
   ========================================================================== */


/**
 * 1. Correct the line height in all browsers.
 * 2. Prevent adjustments of font size after orientation changes in iOS.
 */

html {
    line-height: 1.15;
    /* 1 */
    -webkit-text-size-adjust: 100%;
    /* 2 */
}


/* Sections
     ========================================================================== */


/**
   * Remove the margin in all browsers.
   */

body {
    margin: 0;
}


/**
   * Render the `main` element consistently in IE.
   */

main {
    display: block;
}


/**
   * Correct the font size and margin on `h1` elements within `section` and
   * `article` contexts in Chrome, Firefox, and Safari.
   */

h1 {
    font-size: 2em;
    margin: 0.67em 0;
}


/* Grouping content
     ========================================================================== */


/**
   * 1. Add the correct box sizing in Firefox.
   * 2. Show the overflow in Edge and IE.
   */

hr {
    box-sizing: content-box;
    /* 1 */
    height: 0;
    /* 1 */
    overflow: visible;
    /* 2 */
}


/**
   * 1. Correct the inheritance and scaling of font size in all browsers.
   * 2. Correct the odd `em` font sizing in all browsers.
   */

pre {
    font-family: monospace, monospace;
    /* 1 */
    font-size: 1em;
    /* 2 */
}


/* Text-level semantics
     ========================================================================== */


/**
   * Remove the gray background on active links in IE 10.
   */

a {
    background-color: transparent;
}


/**
   * 1. Remove the bottom border in Chrome 57-
   * 2. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari.
   */

abbr[title] {
    border-bottom: none;
    /* 1 */
    text-decoration: underline;
    /* 2 */
    text-decoration: underline dotted;
    /* 2 */
}


/**
   * Add the correct font weight in Chrome, Edge, and Safari.
   */

b,
strong {
    font-weight: bolder;
}


/**
   * 1. Correct the inheritance and scaling of font size in all browsers.
   * 2. Correct the odd `em` font sizing in all browsers.
   */

code,
kbd,
samp {
    font-family: monospace, monospace;
    /* 1 */
    font-size: 1em;
    /* 2 */
}


/**
   * Add the correct font size in all browsers.
   */

small {
    font-size: 80%;
}


/**
   * Prevent `sub` and `sup` elements from affecting the line height in
   * all browsers.
   */

sub,
sup {
    font-size: 75%;
    line-height: 0;
    position: relative;
    vertical-align: baseline;
}

sub {
    bottom: -0.25em;
}

sup {
    top: -0.5em;
}


/* Embedded content
     ========================================================================== */


/**
   * Remove the border on images inside links in IE 10.
   */

img {
    border-style: none;
}


/* Forms
     ========================================================================== */


/**
   * 1. Change the font styles in all browsers.
   * 2. Remove the margin in Firefox and Safari.
   */

button,
input,
optgroup,
select,
textarea {
    font-family: inherit;
    /* 1 */
    font-size: 100%;
    /* 1 */
    line-height: 1.15;
    /* 1 */
    margin: 0;
    /* 2 */
}


/**
   * Show the overflow in IE.
   * 1. Show the overflow in Edge.
   */

button,
input {
    /* 1 */
    overflow: visible;
}


/**
   * Remove the inheritance of text transform in Edge, Firefox, and IE.
   * 1. Remove the inheritance of text transform in Firefox.
   */

button,
select {
    /* 1 */
    text-transform: none;
}


/**
   * Correct the inability to style clickable types in iOS and Safari.
   */

button,
[type="button"],
[type="reset"],
[type="submit"] {
    -webkit-appearance: button;
}


/**
   * Remove the inner border and padding in Firefox.
   */

button::-moz-focus-inner,
[type="button"]::-moz-focus-inner,
[type="reset"]::-moz-focus-inner,
[type="submit"]::-moz-focus-inner {
    border-style: none;
    padding: 0;
}


/**
   * Restore the focus styles unset by the previous rule.
   */

button:-moz-focusring,
[type="button"]:-moz-focusring,
[type="reset"]:-moz-focusring,
[type="submit"]:-moz-focusring {
    outline: 1px dotted ButtonText;
}


/**
   * Correct the padding in Firefox.
   */

fieldset {
    padding: 0.35em 0.75em 0.625em;
}


/**
   * 1. Correct the text wrapping in Edge and IE.
   * 2. Correct the color inheritance from `fieldset` elements in IE.
   * 3. Remove the padding so developers are not caught out when they zero out
   *    `fieldset` elements in all browsers.
   */

legend {
    box-sizing: border-box;
    /* 1 */
    color: inherit;
    /* 2 */
    display: table;
    /* 1 */
    max-width: 100%;
    /* 1 */
    padding: 0;
    /* 3 */
    white-space: normal;
    /* 1 */
}


/**
   * Add the correct vertical alignment in Chrome, Firefox, and Opera.
   */

progress {
    vertical-align: baseline;
}


/**
   * Remove the default vertical scrollbar in IE 10+.
   */

textarea {
    overflow: auto;
}


/**
   * 1. Add the correct box sizing in IE 10.
   * 2. Remove the padding in IE 10.
   */

[type="checkbox"],
[type="radio"] {
    box-sizing: border-box;
    /* 1 */
    padding: 0;
    /* 2 */
}


/**
   * Correct the cursor style of increment and decrement buttons in Chrome.
   */

[type="number"]::-webkit-inner-spin-button,
[type="number"]::-webkit-outer-spin-button {
    height: auto;
}


/**
   * 1. Correct the odd appearance in Chrome and Safari.
   * 2. Correct the outline style in Safari.
   */

[type="search"] {
    -webkit-appearance: textfield;
    /* 1 */
    outline-offset: -2px;
    /* 2 */
}


/**
   * Remove the inner padding in Chrome and Safari on macOS.
   */

[type="search"]::-webkit-search-decoration {
    -webkit-appearance: none;
}


/**
   * 1. Correct the inability to style clickable types in iOS and Safari.
   * 2. Change font properties to `inherit` in Safari.
   */

 ::-webkit-file-upload-button {
    -webkit-appearance: button;
    /* 1 */
    font: inherit;
    /* 2 */
}


/* Interactive
     ========================================================================== */


/*
   * Add the correct display in Edge, IE 10+, and Firefox.
   */

details {
    display: block;
}


/*
   * Add the correct display in all browsers.
   */

summary {
    display: list-item;
}


/* Misc
     ========================================================================== */


/**
   * Add the correct display in IE 10+.
   */

template {
    display: none;
}


/**
   * Add the correct display in IE 10.
   */

[hidden] {
    display: none;
}


/* 

    部分重置样式

*/

* {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

*:before,
*:after {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

html {
    font-size: 14px;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

body {
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-weight: 400;
    line-height: 1.5;
    font-size: 1rem;
    color: #333333;
    background-color: #fff;
}

a {
    color: #337ab7;
    text-decoration: none;
}

a:hover,
a:focus {
    color: #23527c;
    text-decoration: underline;
}

a:focus {
    outline: 5px auto -webkit-focus-ring-color;
    outline-offset: -2px;
}

img {
    vertical-align: middle;
}

.clearfix {
    *zoom: 1;
    -ms-zoom: 1;
}

.clearfix:after,
.clearfix:before {
    content: "";
    display: table;
    line-height: 0;
}

.clearfix:after {
    clear: both;
}

h1,
h2,
h3,
h4,
h5,
h6,
.h1,
.h2,
.h3,
.h4,
.h5,
.h6 {
    font-family: inherit;
    font-weight: 500;
    line-height: 1.1;
    color: inherit;
}

h1 small,
h2 small,
h3 small,
h4 small,
h5 small,
h6 small,
.h1 small,
.h2 small,
.h3 small,
.h4 small,
.h5 small,
.h6 small,
h1 .small,
h2 .small,
h3 .small,
h4 .small,
h5 .small,
h6 .small,
.h1 .small,
.h2 .small,
.h3 .small,
.h4 .small,
.h5 .small,
.h6 .small {
    font-weight: 400;
    line-height: 1;
    color: #777777;
}

h1,
.h1,
h2,
.h2,
h3,
.h3 {
    margin-top: 20px;
    margin-bottom: 10px;
}

h1 small,
.h1 small,
h2 small,
.h2 small,
h3 small,
.h3 small,
h1 .small,
.h1 .small,
h2 .small,
.h2 .small,
h3 .small,
.h3 .small {
    font-size: 65%;
}

h4,
.h4,
h5,
.h5,
h6,
.h6 {
    margin-top: 10px;
    margin-bottom: 10px;
}

h4 small,
.h4 small,
h5 small,
.h5 small,
h6 small,
.h6 small,
h4 .small,
.h4 .small,
h5 .small,
.h5 .small,
h6 .small,
.h6 .small {
    font-size: 75%;
}

h1,
.h1 {
    font-size: 36px;
}

h2,
.h2 {
    font-size: 30px;
}

h3,
.h3 {
    font-size: 24px;
}

h4,
.h4 {
    font-size: 18px;
}

h5,
.h5 {
    font-size: 14px;
}

h6,
.h6 {
    font-size: 12px;
}


/* 部分重置样式 */


/* 工具类 */

.d-inline {
    display: inline !important;
}

.d-inline-block {
    display: inline-block !important;
}

.d-block {
    display: block !important;
}

.d-flex {
    display: flex !important;
}

.d-inline-flex {
    display: inline-flex !important;
}

.d-none {
    display: none !important;
}

.shadow {
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15) !important;
}

.shadow-sm {
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075) !important;
}

.shadow-lg {
    box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.175) !important;
}

.shadow-none {
    box-shadow: none !important;
}

.m-0 {
    margin: 0 !important;
}

.m-1 {
    margin: 0.25rem !important;
}

.m-2 {
    margin: 0.5rem !important;
}

.m-3 {
    margin: 1rem !important;
}

.m-4 {
    margin: 1.5rem !important;
}

.m-5 {
    margin: 3rem !important;
}

.m-auto {
    margin: auto !important;
}

.mx-0 {
    margin-right: 0 !important;
    margin-left: 0 !important;
}

.mx-1 {
    margin-right: 0.25rem !important;
    margin-left: 0.25rem !important;
}

.mx-2 {
    margin-right: 0.5rem !important;
    margin-left: 0.5rem !important;
}

.mx-3 {
    margin-right: 1rem !important;
    margin-left: 1rem !important;
}

.mx-4 {
    margin-right: 1.5rem !important;
    margin-left: 1.5rem !important;
}

.mx-5 {
    margin-right: 3rem !important;
    margin-left: 3rem !important;
}

.mx-auto {
    margin-right: auto !important;
    margin-left: auto !important;
}

.my-0 {
    margin-top: 0 !important;
    margin-bottom: 0 !important;
}

.my-1 {
    margin-top: 0.25rem !important;
    margin-bottom: 0.25rem !important;
}

.my-2 {
    margin-top: 0.5rem !important;
    margin-bottom: 0.5rem !important;
}

.my-3 {
    margin-top: 1rem !important;
    margin-bottom: 1rem !important;
}

.my-4 {
    margin-top: 1.5rem !important;
    margin-bottom: 1.5rem !important;
}

.my-5 {
    margin-top: 3rem !important;
    margin-bottom: 3rem !important;
}

.my-auto {
    margin-top: auto !important;
    margin-bottom: auto !important;
}

.mt-0 {
    margin-top: 0 !important;
}

.mt-1 {
    margin-top: 0.25rem !important;
}

.mt-2 {
    margin-top: 0.5rem !important;
}

.mt-3 {
    margin-top: 1rem !important;
}

.mt-4 {
    margin-top: 1.5rem !important;
}

.mt-5 {
    margin-top: 3rem !important;
}

.mt-auto {
    margin-top: auto !important;
}

.me-0 {
    margin-right: 0 !important;
}

.me-1 {
    margin-right: 0.25rem !important;
}

.me-2 {
    margin-right: 0.5rem !important;
}

.me-3 {
    margin-right: 1rem !important;
}

.me-4 {
    margin-right: 1.5rem !important;
}

.me-5 {
    margin-right: 3rem !important;
}

.me-auto {
    margin-right: auto !important;
}

.mb-0 {
    margin-bottom: 0 !important;
}

.mb-1 {
    margin-bottom: 0.25rem !important;
}

.mb-2 {
    margin-bottom: 0.5rem !important;
}

.mb-3 {
    margin-bottom: 1rem !important;
}

.mb-4 {
    margin-bottom: 1.5rem !important;
}

.mb-5 {
    margin-bottom: 3rem !important;
}

.mb-auto {
    margin-bottom: auto !important;
}

.ms-0 {
    margin-left: 0 !important;
}

.ms-1 {
    margin-left: 0.25rem !important;
}

.ms-2 {
    margin-left: 0.5rem !important;
}

.ms-3 {
    margin-left: 1rem !important;
}

.ms-4 {
    margin-left: 1.5rem !important;
}

.ms-5 {
    margin-left: 3rem !important;
}

.ms-auto {
    margin-left: auto !important;
}

.p-0 {
    padding: 0 !important;
}

.p-1 {
    padding: 0.25rem !important;
}

.p-2 {
    padding: 0.5rem !important;
}

.p-3 {
    padding: 1rem !important;
}

.p-4 {
    padding: 1.5rem !important;
}

.p-5 {
    padding: 3rem !important;
}

.px-0 {
    padding-right: 0 !important;
    padding-left: 0 !important;
}

.px-1 {
    padding-right: 0.25rem !important;
    padding-left: 0.25rem !important;
}

.px-2 {
    padding-right: 0.5rem !important;
    padding-left: 0.5rem !important;
}

.px-3 {
    padding-right: 1rem !important;
    padding-left: 1rem !important;
}

.px-4 {
    padding-right: 1.5rem !important;
    padding-left: 1.5rem !important;
}

.px-5 {
    padding-right: 3rem !important;
    padding-left: 3rem !important;
}

.py-0 {
    padding-top: 0 !important;
    padding-bottom: 0 !important;
}

.py-1 {
    padding-top: 0.25rem !important;
    padding-bottom: 0.25rem !important;
}

.py-2 {
    padding-top: 0.5rem !important;
    padding-bottom: 0.5rem !important;
}

.py-3 {
    padding-top: 1rem !important;
    padding-bottom: 1rem !important;
}

.py-4 {
    padding-top: 1.5rem !important;
    padding-bottom: 1.5rem !important;
}

.py-5 {
    padding-top: 3rem !important;
    padding-bottom: 3rem !important;
}

.pt-0 {
    padding-top: 0 !important;
}

.pt-1 {
    padding-top: 0.25rem !important;
}

.pt-2 {
    padding-top: 0.5rem !important;
}

.pt-3 {
    padding-top: 1rem !important;
}

.pt-4 {
    padding-top: 1.5rem !important;
}

.pt-5 {
    padding-top: 3rem !important;
}

.pe-0 {
    padding-right: 0 !important;
}

.pe-1 {
    padding-right: 0.25rem !important;
}

.pe-2 {
    padding-right: 0.5rem !important;
}

.pe-3 {
    padding-right: 1rem !important;
}

.pe-4 {
    padding-right: 1.5rem !important;
}

.pe-5 {
    padding-right: 3rem !important;
}

.pb-0 {
    padding-bottom: 0 !important;
}

.pb-1 {
    padding-bottom: 0.25rem !important;
}

.pb-2 {
    padding-bottom: 0.5rem !important;
}

.pb-3 {
    padding-bottom: 1rem !important;
}

.pb-4 {
    padding-bottom: 1.5rem !important;
}

.pb-5 {
    padding-bottom: 3rem !important;
}

.ps-0 {
    padding-left: 0 !important;
}

.ps-1 {
    padding-left: 0.25rem !important;
}

.ps-2 {
    padding-left: 0.5rem !important;
}

.ps-3 {
    padding-left: 1rem !important;
}

.ps-4 {
    padding-left: 1.5rem !important;
}

.ps-5 {
    padding-left: 3rem !important;
}

.w-12-5 {
    width: 12.5% !important;
}

.w-20 {
    width: 20% !important;
}

.w-25 {
    width: 25% !important;
}

.w-50 {
    width: 50% !important;
}

.w-75 {
    width: 75% !important;
}

.w-100 {
    width: 100% !important;
}

.w-auto {
    width: auto !important;
}

.float-start {
    float: left !important;
}

.float-end {
    float: right !important;
}

.float-none {
    float: none !important;
}

.d-inline {
    display: inline !important;
}

.d-inline-block {
    display: inline-block !important;
}

.d-block {
    display: block !important;
}

.d-grid {
    display: grid !important;
}

.d-table {
    display: table !important;
}

.d-table-row {
    display: table-row !important;
}

.d-table-cell {
    display: table-cell !important;
}

.d-flex {
    display: flex !important;
}

.d-inline-flex {
    display: inline-flex !important;
}

.d-none {
    display: none !important;
}

.position-static {
    position: static !important;
}

.position-relative {
    position: relative !important;
}

.position-absolute {
    position: absolute !important;
}

.position-fixed {
    position: fixed !important;
}

.position-sticky {
    position: -webkit-sticky !important;
    position: sticky !important;
}


.justify-content-start {
    justify-content: flex-start !important;
}

.justify-content-end {
    justify-content: flex-end !important;
}

.justify-content-center {
    justify-content: center !important;
}

.justify-content-between {
    justify-content: space-between !important;
}

.justify-content-around {
    justify-content: space-around !important;
}

.justify-content-evenly {
    justify-content: space-evenly !important;
}

.align-items-start {
    align-items: flex-start !important;
}

.align-items-end {
    align-items: flex-end !important;
}

.align-items-center {
    align-items: center !important;
}

.align-items-baseline {
    align-items: baseline !important;
}

.align-items-stretch {
    align-items: stretch !important;
}

.align-content-start {
    align-content: flex-start !important;
}

.align-content-end {
    align-content: flex-end !important;
}

.align-content-center {
    align-content: center !important;
}

.align-content-between {
    align-content: space-between !important;
}

.align-content-around {
    align-content: space-around !important;
}

.align-content-stretch {
    align-content: stretch !important;
}

.align-self-auto {
    align-self: auto !important;
}

.align-self-start {
    align-self: flex-start !important;
}

.align-self-end {
    align-self: flex-end !important;
}

.align-self-center {
    align-self: center !important;
}

.align-self-baseline {
    align-self: baseline !important;
}

.align-self-stretch {
    align-self: stretch !important;
}

.flex-wrap {
    flex-wrap: wrap !important;
}

.flex-nowrap {
    flex-wrap: nowrap !important;
}

.flex-wrap-reverse {
    flex-wrap: wrap-reverse !important;
}


.flex-row {
    flex-direction: row !important;
}

.flex-column {
    flex-direction: column !important;
}

/* 工具类 */